asahi kasei [akd4342-b] 2006/05 - 1 - general description akd4342-b is an evaluation board for 24bit dac with built-in 2vrms lineout, headphone, and aux lineout amplifiers, AK4342. the akd4342-b has the interface wi th akm?s adc evaluation boards. therefore, it?s easy to evaluate the AK4342. the akd4342-b also has the digital audio interface and can achieve the interface with digital audio systems via opt-connector. ? ordering guide akd4342-b --- evaluation board for AK4342 (cable for connecting with printer port of ibm-at compatible pc and control software are packed with this. this control software does not operate on windows nt.) function ? compatible with 2 types of interface - direct interface with akm?s a/d converter evaluation boards - on-board ak4113 as dir which accepts optical input ? 10pin header for serial control interface lin rin AK4342 ak4113 (dir) hpr hpl lout rout avdd dvdd tvdd hvdd pvdd vcc 5v laux raux dgnd reg 3.3v opt in up-i/f agnd dsp port1 port2 port3 figure 1.. akd4342-b block diagram * circuit diagram and pcb layout are attached at the end of this manual. a k4342 evaluation board rev.2 a kd4342-b
asahi kasei [akd4342-b] 2006/05 - 2 - evaluation board manual ? operation sequence 1) set up the power supply lines. [vcc] (red) = 5v [agnd] (black) = 0v [dgnd] (black) = 0v each supply line should be distri buted from the power supply unit. the power is supplied from vcc jack to the AK4342 via the regulator. 2) set up the evaluation mode, jumper pins. (see the followings.) 3) power on. the AK4342 and ak4113 should be resets once bringing sw1 ?l? upon power-up. ? evaluation mode applicable evaluation mode (1) in case of using dir (optical link) it is possible to use the initial setting of the audio interface format (24bit msb justified) to evaluate the AK4342. (2) in case of connecting AK4342 with a external dsp (1) in case of using dir (optical link) port1 is used. dir generates mclk, bick, lrck and sdata from the received data through optical connector (torx141). nothing should be connected to port2 (dsp). jp5 dir_bick jp6 dir_lrck jp11 dir_sdti jp12 dir_mclk
asahi kasei [akd4342-b] 2006/05 - 3 - (2) in case of connecting AK4342 with an external dsp akd4342-b can be connected with an external dsp through port2 (dsp). mclk, bick, lrck and sdata are supplied from dsp. ? other jumper pins set up jp3 (gnd): analog ground and digital ground. open : separated. short : common. (the connector ?dgnd? can be open.) ? the function of the toggle sw upper-side is ?h? and lower-side is ?l?. [sw1] (dac/dir_pdn) : resets the AK4342 and ak4113. keep ?h? during normal operation. ? indication for led [led1] (int0) : monitor int0 pin of the ak4113. jp5 dir_bick jp6 dir_lrck jp11 dir_sdti jp12 dir_mclk
asahi kasei [akd4342-b] 2006/05 - 4 - ? serial control the AK4342-b can be controlled via the printer port (paral lel port) of ibm-at compatible pc. connect port3 (up-i/f) with pc by 10 wire flat cable packed with th e akd4342-b. the packed control software only supports the 3-wire serial control mode. connect csn scl/cclk sda/cdti 10pin header 10pin connector 10 wire flat cable pc akd4342-b figure 2. connection of 10 wire flat cable (1) 3-wire serial control mode the jumper pins should be set to the following. (2) i 2 c-bus control mode the jumper pins should be set to the following. (2-1) address bit: cad0=0 (2-2) address bit: cad0=1 jp4 i2c jp10 sda i2c 3-wire jp7 cad0 jp4 i2c jp10 sda i2c 3-wire jp7 cad0 jp4 i2c jp10 sda i2c 3-wire jp7 cad0
asahi kasei [akd4342-b] 2006/05 - 5 - ? input / output circuits (1) input circuit lin/rin input circuit lin/rin 6 4 3 j4 + c40 1u r27 20k + c39 1u r28 20k lin rin figure 3. lin/rin input circuit (2) output circuit (2-1) lout/rout output circuit r35 470 c41 open r36 10k r33 470 6 4 3 j6 r34 10k c42 open rout lout lrou t figure 4. lout/rout output circuit
asahi kasei [akd4342-b] 2006/05 - 6 - (2-2) hpl/hpr output circuit 6 4 3 j5 hpr hpl h p figure 5. hpl/hpr output circuit (2-3) laux/raux output circuit r41 (short) + c45 10u r42 10k r37 (short) + c43 10u 6 4 3 j7 r38 10k raux laux lrau x figure 6. laux/raux output circuit * akm assumes no responsibility for the trouble when using the circuit examples.
asahi kasei [akd4342-b] 2006/05 - 7 - control software manual ? set-up of evaluation board and control software 1. set up the akd4342-b according to previous term. 2. connect ibm-at compatible pc with akd4342-b by 10-line type flat cable (packed with akd4342-b). take care of the direction of 10pin header. (please install the driver in the cd-rom when this control software is used on windows 2000/xp. please refer ?installation manual of control software driver by akm device control software?. in case of windows95/98/me, this installation is not needed. this control software does not operate on windows nt.) 3. insert the cd-rom labeled ?AK4342-b evaluation kit? into the cd-rom drive. 4. access the cd-rom drive and double-click the icon of ?akd4342-b.exe? to set up the control program. 5. then please evaluate according to the follows. ? operation flow keep the following flow. 1. set up the control program according to explanation above. 2. click ?port reset? button. 3. click ?write default? button ? explanation of each buttons 1. [port reset] : set up the usb interface board (akdusbif-a) when using the board. 2. [write default] : initialize the register of the AK4342. 3. [all write] : write all registers that is currently displayed. 4. [function1] : dialog to write data by keyboard operation. 5. [function2] : dialog to write data by keyboard operation. 6. [function3] : the sequence of register setting can be set and executed. 7. [function4] : the sequence that is created on [function3] can be assigned to buttons and executed. 8. [function5]: the register setting that is created by [save] function on main window can be assigned to buttons and executed. 9. [save] : save the current register setting. 10. [open] : write the saved values to all register. 11. [write] : dialog to write data by mouse operation. ? indication of data input data is indicated on the register map. red letter indicates ?h? or ?1? and blue one indicates ?l? or ?0?. blank is the part that is not defined in the datasheet.
asahi kasei [akd4342-b] 2006/05 - 8 - ? explanation of each dialog 1. [write dialog] : dialog to write data by mouse operation there are dialogs corresponding to each register. click the [write] button corresponding to each register to set up the dialog. if you check the check box, data becomes ?h? or ?1?. if not, ?l? or ?0?. if you want to write the input data to the AK4342, click [ok] button. if not, click [cancel] button. 2. [function1 dialog] : dialog to write data by keyboard operation address box: input registers address in 2 figures of hexadecimal. data box: input registers data in 2 figures of hexadecimal. if you want to write the input data to the AK4342, click [ok] button. if not, click [cancel] button. 3. [function2 dialog] : dialog to evaluate volume there are dialogs corresponding to register of 04h, 05h, 07h, 08h and 09h. address box: input registers address in 2 figures of hexadecimal. start data box: input starts data in 2 figures of hexadecimal. end data box: input end data in 2 figures of hexadecimal. interval box: data is written to the AK4342 by this interval. step box: data changes by this step. mode select box: if you check this check box, data reaches end data, and returns to start data. [example] start data = 00, end data = 09 data flow: 00 01 02 03 04 05 06 07 08 09 09 08 07 06 05 04 03 02 01 00 if you do not check this check box, data reaches end data, but does not return to start data. [example] start data = 00, end data = 09 data flow: 00 01 02 03 04 05 06 07 08 09 if you want to write the input data to the AK4342, click [ok] button. if not, click [cancel] button.
asahi kasei [akd4342-b] 2006/05 - 9 - 4. [save] and [open] 4-1. [save] all of current register setting values displayed on the main window are saved to the file. the extension of file name is ?akr?. (1) click [save] button. (2) set the file name and click [save] button. the extension of file name is ?akr?. 4-2. [open] the register setting values saved by [save] are written to the AK4342. the file type is the same as [save]. (1) click [open] button. (2) select the file (*.akr) and click [open] button.
asahi kasei [akd4342-b] 2006/05 - 10 - 5. [function3 dialog] the sequence of register setting can be set and executed. (1) click [f3] button. (2) set the control sequence. set the address, data and interval time. set ?-1? to the address of the step where the sequence should be paused. (3) click [start] button. then this sequence is executed. the sequence is paused at the step of interval="-1". click [start] button, the sequence restarts from the paused step. this sequence can be saved and opened by [save] and [open] button on the function3 window. the extension of file name is ?aks?. figure 7. window of [f3]
asahi kasei [akd4342-b] 2006/05 - 11 - 6. [function4 dialog] the sequence file (*.aks) saved by [function3] can be listed up to 10 files, assigned to buttons and then executed. when [f4] button is clicked, the window as shown in figure 8 opens. figure 8. [f4] window
asahi kasei [akd4342-b] 2006/05 - 12 - 6-1. [open] buttons on left side and [start] buttons (1) click [open] button and select the sequence file (*.aks) saved by [function3]. the sequence file name is displayed as shown in figure 9. ( in case that the selected sequence file name is ?dac_stereo_on.aks?) figure 9. [f4] window(2) (2) click [start] button, then the sequence is executed. 6-2. [save] and [open] buttons on right side [save] : the name assign of sequence file displayed on [function4] window can be saved to the file. the file name is ?*.ak4?. [open] : the name assign of sequence file(*.ak4) saved by [save] is loaded. 6-3. note (1) this function doesn't support the pause function of sequence function. (2) all files used by [save] and [open] function on right side need to be in the same folder. (3) when the sequence is changed in [function3], the sequence file (*.aks) should be loaded again in order to reflect the change.
asahi kasei [akd4342-b] 2006/05 - 13 - 7. [function5 dialog] the register setting file(*.akr) saved by [save] function on main window can be listed up to 10 files, assigned to buttons and then executed. when [f5] button is clicked, the window as shown in figure 10 opens. figure 10. [f5] window 7-1. [open] buttons on left side and [write] button (1) click [open] button and select the register setting file (*.akr). the register setting file name is displayed as shown in figure 11. (in case that the selected file name is ?dac_output.akr?) (2) click [write] button, then the register setting is executed.
asahi kasei [akd4342-b] 2006/05 - 14 - figure 11. [f5] windows(2) 7-2. [save] and [open] buttons on right side [save] : the name assign of register setting file displayed on [function5] window can be saved to the file. the file name is ?*.ak5?. [open] : the name assign of register setting file(*.ak5) saved by [save] is loaded. 7-3. note (1) all files used by [save] and [open] function on right side need to be in the same folder. (2) when the register setting is changed by [save] button on the main window, the register setting file (*.akr) should be loaded again in order to reflect the change.
asahi kasei [akd4342-b] 2006/05 - 15 - measurement results [measurement condition] ? measurement unit : audio precession system two cascade ? mclk : 256fs ? bick : 64fs ? fs : 44.1khz, 96khz ? bit : 24bit ? power supply : avdd = dvdd = hvdd = pvdd = tvdd = 3.3v ? measurement filter : 10hz 20khz(fs= 44.1khz), 10hz 40khz(fs= 96khz) ? temperature : room fs= 44.1khz parameter result (lch / rch) unit headphone-amp: (dac ? hpl/hpr pins), rl=16 ? thd+n (-4dbfs output) -61.7 / -61.4 db d-range (-60db output, a-weighted) 94.9 / 94.4 db s/n (a-weighted) 94.6 / 94.5 db parameter result (lch / rch) unit line output: (dac ? lout/rout pins) thd+n (0dbfs output) -89.5 / -89.1 db d-range (-60db output, a-weighted) 99.7 / 99.8 db s/n (a-weighted) 99.7 / 99.8 db parameter result (lch / rch) unit aux output: (dac ? laux/raux pins) thd+n (0dbfs output) -88.0 / -87.2 db d-range (-60db output, a-weighted) 95.1 / 94.8 db s/n (a-weighted) 95.1 / 94.8 db fs= 96khz parameter result (lch / rch) unit headphone-amp: (dac ? hpl/hpr pins), rl=16 ? thd+n (-4dbfs output) -61.7 / -61.3 db (-60db output, a-weighted) 94.6 / 95.0 db d-range (-60db output) 90.1 / 90.5 db (a-weighted) 94.7 / 95.1 db s/n 90.1 / 90.5 db parameter result (lch / rch) unit line output: (dac ? lout/rout pins) thd+n (0dbfs output) -88.4 / -88.2 db (-60db output, a-weighted) 99.4 / 99.3 db d-range (-60db output) 94.9 / 94.9 db (a-weighted) 99.5 / 99.6 db s/n 95.1 / 95.1 db parameter result (lch / rch) unit aux output: (dac ? laux/raux pins) thd+n (0dbfs output) -87.0 / -86.4 db (-60db output, a-weighted) 95.1 / 94.8 db d-range (-60db output) 90.3 / 90.4 db (a-weighted) 95.1 / 94.9 db s/n 90.3 / 90.5 db
asahi kasei [akd4342-b] 2006/05 - 16 - [fs=44.1khz] [plot of headphone amp] figure 12. thd+n vs. input level akm AK4342 hp-amp thd+n vs input level (fs=44.1khz, fin=1khz) -100 -10 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 d b r a -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs akm AK4342 hp-amp thd+n vs input frequency (fs=44.1khz, fin=-4db) -100 -20 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 d b r a 20 20k 50 100 200 500 1k 2k 5k 10k hz figure 13. thd+n vs. input frequency
asahi kasei [akd4342-b] 2006/05 - 17 - AK4342 hp-amp linearity (fs=44.1khz, fin=1khz) last.at2c -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs -160 +0 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 14. linearity AK4342 hp-amp frequency response (fs=44.1khz, fin=0dbfs) -1 +0.5 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 +0 +0.1 +0.2 +0.3 +0.4 d b r a 20 20k 50 100 200 500 1k 2k 5k 10k hz figure 15. frequency response
asahi kasei [akd4342-b] 2006/05 - 18 - akm AK4342 hp-amp fft (fs=44.1khz, fin=-4db) -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 20k 50 100 200 500 1k 2k 5k 10k hz figure 16. fft plot (1khz, -4db) akm AK4342 hp-amp fft (fs=44.1khz, fin=-60db) -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 20k 50 100 200 500 1k 2k 5k 10k hz figure 17. fft plot (1khz, -60db)
asahi kasei [akd4342-b] 2006/05 - 19 - AK4342 hp-amp fft (noise floor) last.at2c 20 20k 50 100 200 500 1k 2k 5k 10k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 18. fft plot (noise floor) AK4342 hp-amp fft (out-band noise) last.at2c 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k hz -160 +0 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 19. out-of-band noise
asahi kasei [akd4342-b] 2006/05 - 20 - akm AK4342 hp-amp crosstalk (fs=44.1khz, input level=-4db) -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b 20 20k 50 100 200 500 1k 2k 5k 10k hz figure 20.crosstalk [plot of lineout] akm AK4342 lineout thd+n vs input level (fs=44.1khz, fin=1khz) -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs -110 -70 -108 -106 -104 -102 -100 -98 -96 -94 -92 -90 -88 -86 -84 -82 -80 -78 -76 -74 -72 d b r a figure 21. thd+n vs. input level
asahi kasei [akd4342-b] 2006/05 - 21 - akm AK4342 lineout thd+n vs input frequency (fs=44.1khz, input level=0db) 20 20k 50 100 200 500 1k 2k 5k 10k hz -100 -70 -98 -96 -94 -92 -90 -88 -86 -84 -82 -80 -78 -76 -74 -72 d b r a figure 22. thd+n vs. input frequency AK4342 lineout linearity (fs=44.1khz, fin=1khz) last.at2c -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs -160 +0 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 23. linearity
asahi kasei [akd4342-b] 2006/05 - 22 - AK4342 lineout frequency response (fs=44.1khz, fin=0db) -1 +0.4 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 +0 +0.1 +0.2 +0.3 d b r a 20 20k 50 100 200 500 1k 2k 5k 10k hz figure 24. frequency response akm AK4342 lineout fft (fs=44.1khz, fin=0dbfs) 20 20k 50 100 200 500 1k 2k 5k 10k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 25. fft plot (1khz, 0dbfs)
asahi kasei [akd4342-b] 2006/05 - 23 - akm AK4342 lineout fft (fs=44.1khz, fin=-60dbfs) 20 20k 50 100 200 500 1k 2k 5k 10k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 26. fft plot (1khz, -60dbfs) AK4342 lineout fft (noise floor) last.at2c 20 20k 50 100 200 500 1k 2k 5k 10k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 27. fft plot (noise floor)
asahi kasei [akd4342-b] 2006/05 - 24 - AK4342 lineout fft (out-band noise) last.at2c 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k hz -160 +0 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 28. out-of-band noise akm AK4342 lineout crosstalk (fs=44.1khz, fin=0db) 20 20k 50 100 200 500 1k 2k 5k 10k hz -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b tt t figure 29. crosstalk
asahi kasei [akd4342-b] 2006/05 - 25 - [plot of aux] AK4342 aux thd+n vs. input level (fs=44.1kkhz, fin=1khz) last.at2c -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs -120 -60 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 d b r a figure 30. thd+n vs. input level AK4342 aux thd+n vs. input frequencyl (fs=44.1khz, fin=0dbfs) last.at2c 10 20k 20 50 100 200 500 1k 2k 5k 10k hz -100 -40 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 d b r a figure 31. thd+n vs. input frequency
asahi kasei [akd4342-b] 2006/05 - 26 - AK4342 aux linearity (fs=44.1khz, fin=1khz) last.at2c -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 32. linearity AK4342 aux frequency response (fs=44.1khz, fin=0db) 20 20k 50 100 200 500 1k 2k 5k 10k hz -1 +0.4 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 +0 +0.1 +0.2 +0.3 d b r a figure 33. frequency response
asahi kasei [akd4342-b] 2006/05 - 27 - AK4342 aux fft (fs=44.1khz, fin=0dbfs) last.at2c 20 20k 50 100 200 500 1k 2k 5k 10k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 34. fft plot (1khz, 0db) AK4342 aux fft (fs=44.1khz, fin=-60dbfs) last.at2c 20 20k 50 100 200 500 1k 2k 5k 10k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 35. fft plot (1khz, -60db)
asahi kasei [akd4342-b] 2006/05 - 28 - AK4342 aux fft (noise floor) last.at2c 20 20k 50 100 200 500 1k 2k 5k 10k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 36. fft plot (noise floor) AK4342 aux fft (out-band noise) last.at2c 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 37. out-of-band noise
asahi kasei [akd4342-b] 2006/05 - 29 - AK4342 aux crosstalk (fs=44.1khz, fin=0db) last.at2c 10 20k 20 50 100 200 500 1k 2k 5k 10k hz -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b figure 38. crosstalk
asahi kasei [akd4342-b] 2006/05 - 30 - [fs=96khz] [plot of headphone amp] akm AK4342 hp-amp thd+n vs input level (fs=96khz, fin=1khz) -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs -100 -20 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 d b r a figure 39. thd+n vs. input level akm AK4342 hp-amp thd+n vs input frequency (fs=96khz, fin=-4db) 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -100 -20 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 d b r a figure 40. thd+n vs. input frequency
asahi kasei [akd4342-b] 2006/05 - 31 - AK4342 hp-amp linearity (fs=96khz, fin=1khz) last.at2c -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs figure 41. linearity AK4342 hp-amp frequency response (fs=96khz, fin=0dbfs) -2 +0.4 -1.8 -1.6 -1.4 -1.2 -1 -0.8 -0.6 -0.4 -0.2 +0 +0.2 d b r a 20 40k 50 100 200 500 1k 2k 5k 10k 20k figure 42. frequency response
asahi kasei [akd4342-b] 2006/05 - 32 - akm AK4342 hp-amp fft (fs=96khz, fin=-4db) 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 43. fft plot (1khz,-4db) akm AK4342 lineout fft (fs=96khz, input level=-60db) -180 +0 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz figure 44. fft plot (1khz,-60db)
asahi kasei [akd4342-b] 2006/05 - 33 - AK4342 hp-amp fft (noise floor) last.at2c -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz figure 45. fft plot (noise floor) AK4342 hp-amp fft (out-band noise) last.at2c -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 46. out-of-band noise
asahi kasei [akd4342-b] 2006/05 - 34 - akm AK4342 hp-amp crosstalk (fs=96khz, input level=-4db) 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b figure 47. crosstalk [plot of lineout] akm AK4342 hp-amp thd+n vs input level (fs=96khz, fin=1khz) -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs -100 -20 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 d b r a figure 48. thd+n vs. input level
asahi kasei [akd4342-b] 2006/05 - 35 - akm AK4342 lineout thd+n vs input frequency (fs=96khz, input level=0db) 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -110 -70 -108 -106 -104 -102 -100 -98 -96 -94 -92 -90 -88 -86 -84 -82 -80 -78 -76 -74 -72 d b r a figure 49. thd+n vs. input frequency AK4342 lineout linearity (fs=96khz, fin=1khz) last.at2c -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 50. linearity
asahi kasei [akd4342-b] 2006/05 - 36 - AK4342 lineout frequency response (fs=96khz, fin=0db) -1.6 +0.4 -1.5 -1.4 -1.3 -1.2 -1.1 -1 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 -0 +0.1 +0.2 +0.3 d b r a 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz figure 51. frequency response akm AK4342 lineout fft (fs=96khz, fin=0db) 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 52. fft plot (1khz, 0dbfs)
asahi kasei [akd4342-b] 2006/05 - 37 - akm AK4342 lineout fft (fs=96khz, input level=-60db) -180 +0 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz figure 53. fft plot (1khz, -60dbfs) AK4342 lineout fft (noise floor) last.at2c 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 54. fft plot (noise floor)
asahi kasei [akd4342-b] 2006/05 - 38 - AK4342 lineout fft (out-band noise) last.at2c 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 55. out-of-band noise AK4342 lineout crosstalk (fs=96khz, fin=0db) last.at2c 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b figure 56. crosstalk
asahi kasei [akd4342-b] 2006/05 - 39 - [plot of aux] AK4342 aux thd+n vs. inputlevel (fs=96khz, fin=1khz) -120 -60 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 d b r a -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs figure 57. thd+n vs. input level AK4342 aux thd+n vs. input frequency (fs-96khz, fin=0dbfs) last.at2c 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -100 -40 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 d b r a figure 58. thd+n vs. input frequency
asahi kasei [akd4342-b] 2006/05 - 40 - AK4342 aux linearity (fs-96khz, fin=1khz) last.at2c -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 59. linearity AK4342 aux frequency response (fs=96khz, fin=0db) 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -1.6 +0.4 -1.4 -1.2 -1 -0.8 -0.6 -0.4 -0.2 +0 +0.2 d b r a figure 60. frequency response
asahi kasei [akd4342-b] 2006/05 - 41 - AK4342 aux fft (fs=96khz, fin=0dbfs) last.at2c 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 61. fft plot (1khz, 0db) AK4342 aux fft (fs=96khz, fin=-60dbfs) last.at2c 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 62. fft plot (1khz, -60db)
asahi kasei [akd4342-b] 2006/05 - 42 - AK4342 aux fft (noise floor) last.at2c 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 63. fft plot (noise floor) AK4342 aux fft (out-band noise) last.at2c 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a figure 64. out-of-band noise
asahi kasei [akd4342-b] 2006/05 - 43 - AK4342 aux crosstalk (fs-96khz, fin=0db) last.at2c 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b figure 65. crosstalk
asahi kasei [akd4342-b] 2006/05 - 44 - revision history date manual revision board revision reason contents 06/01/12 km081500 0 first edition change circuit l/rout output circuit of 5th page was changed. (c41, c42 : 2.2n ? open) 06/03/03 km081501 1 change measurement result figure39, 57(error correct) figure24 and figure51 were replaced because c41 and c42 were changed. change circuit c6, c17, c25 : 10u ? open l3 : open ? 2ohm 06/05/10 km081502 2 change measurement result and plot data measurement result(p15) plot data change (figure12, 13, 16, 17, 20, 21, 22, 25, 26, 29, 39, 40, 43, 44, 47, 48, 49, 52, 53) important notice ? these products and their specifications are subject to change without notice. before considering any use or application, consult the asahi kasei microsystems co., ltd. (akm) sales office or authorized distributor concerning their current status. ? akm assumes no liability for infringement of any patent, intellectual property, or other right in the application or use of any information contained herein. ? any export of these products, or devices or systems containing them, may require an export license or other official approval under the law and regulati ons of the country of export pertaining to customs and tariffs, currency exchange, or strategic materials. ? akm products are neither intended nor authorized for use as critical components in any safety, life support, or other hazard related device or system, and akm assumes no responsibility relating to any such use, except with the express written consent of the representative director of akm. as used here: (a) a hazard related device or system is one designed or intended for life support or maintenance of safety or for applications in medicine, aerospace, nuclear energy, or other fields, in which its failure to function or perform may reasonably be expected to result in loss of life or in significant injury or damage to person or property. (b) a critical component is one whose failure to function or perform may reasonably be expected to result, whether directly or indirectly, in the loss of the safety or effectiveness of the device or system containing it, and which must therefore meet very high standards of performance and reliability. ? it is the responsibility of the buyer or distributo r of an akm product who distributes, disposes of, or otherwise places the product with a third party to notify that party in advance of the above content and conditions, and the buyer or distributor agrees to assume any and all responsibility and liability for and hold akm harmless from any and all claims arising from the use of said product in the absence of such notification.
5 5 4 4 3 3 2 2 1 1 d d c c b b a a vcc rin lin hpl hpr laux raux lout rout 4342_hvdd sda/cdti cclk lrck bick sdata mcki csn pdn 4342_dvdd 4342_avdd vcc_3.3v 4342_avdd 4342_dvdd 4342_hvdd title size document number rev date: sheet of AK4342 2 akd4342-b b 14 wednesday, may 10, 2006 title size document number rev date: sheet of AK4342 2 akd4342-b b 14 wednesday, may 10, 2006 title size document number rev date: sheet of AK4342 2 akd4342-b b 14 wednesday, may 10, 2006 agnd dgnd 1 2 3 c23 0.1u c23 0.1u c63 0.1u c63 0.1u r5 51 r5 51 + c64 47u + c64 47u r7 51 r7 51 c11 0.1u c11 0.1u c12 0.1u c12 0.1u c13 0.1u c13 0.1u + c67 10u + c67 10u r2 51 r2 51 + c8 2.2u + c8 2.2u r8 51 r8 51 + c58 47u + c58 47u r6 51 r6 51 gnd in out lt1117-3.3 t1 lt1117-3.3 t1 jp3 gnd jp3 gnd + c9 1u + c9 1u r45 10 r45 10 sda/cdti 1 scl/cclk 2 cad0/csn 3 mclk 4 bick 5 lrck 6 sdata 7 pdn 8 cp 9 cn 10 pvdd 11 pvee 13 hvee 14 hpl 15 hpr 16 hvdd 17 hvss 18 lout 19 rout 20 laux 21 raux 22 lin 23 vcom 26 avdd 27 avss 28 dvss 29 dvdd 30 tvdd 31 i2c 32 pvss 12 rin 24 mutet 25 AK4342 u1 AK4342 u1 + c68 10u + c68 10u r3 51 r3 51 c24 2.2u c24 2.2u + c7 10u + c7 10u 1 2 l12 (short) l12 (short) r4 51 r4 51 jp4 i2c jp4 i2c c22 2.2u c22 2.2u c16 0.1u c16 0.1u l13 2ohm l13 2ohm 1 2 l10 10u l10 10u
5 5 4 4 3 3 2 2 1 1 d d c c b b a a vcc_3.3v dir_mclk dir_sdti dir_lrck dir_bick vcc_3.3v vcc_3.3v vcc_3.3v vcc_3.3v pdn1 title size document number rev date: sheet of dir 2 akd4342-b b 24 wednesday, may 10, 2006 title size document number rev date: sheet of dir 2 akd4342-b b 24 wednesday, may 10, 2006 title size document number rev date: sheet of dir 2 akd4342-b b 24 wednesday, may 10, 2006 opt mck01 : 256fs clock operation mode : mode2 audio data format : 24bit left justified r44 470 r44 470 c33 5p c33 5p out 1 vcc 3 gnd 2 port1 torx141 port1 torx141 r46 5.1 r46 5.1 + c38 10u + c38 10u 5 6 14 7 u4c 74hc14 u4c 74hc14 c34 5p c34 5p c32 0.1u c32 0.1u c49 0.1u c49 0.1u c31 0.1u c31 0.1u r31 15k r31 15k r32 1k r32 1k + c48 10u + c48 10u c37 0.1u c37 0.1u 1 2 x1 24.576mhz x1 24.576mhz dvdd 1 dvss 2 tvdd 3 v/tx 4 xti 5 xto 6 pdn 7 r 8 avdd 9 avss 10 rx1 11 rx2/dif0 12 rx3/dif1 13 rx4/dif2 14 int1 17 p/sn 18 fs96/i2c 19 int0 20 lrck 21 sdto 22 bick 23 daux 24 mcko2 25 mcko1 26 ocks0/csn/cad0 27 ocks1/cclk/scl 28 cm1/cdti/sda 29 cm0/cdto/cad1 30 rx5 15 rx6/ips 16 u2 ak4113 u2 ak4113 1 2 l8 (short) l8 (short) 2 1 led1 int0 led1 int0 + c36 10u + c36 10u test1 test1
5 5 4 4 3 3 2 2 1 1 d d c c b b a a lin rin hpr hpl rout lout raux laux vcc_3.3v title size document number rev date: sheet of input/output 2 akd4342-b b 34 wednesday, may 10, 2006 title size document number rev date: sheet of input/output 2 akd4342-b b 34 wednesday, may 10, 2006 title size document number rev date: sheet of input/output 2 akd4342-b b 34 wednesday, may 10, 2006 lin/rin hp lrout lraux r27 20k r27 20k c42 open c42 open 11 10 14 7 u4e 74hc14 u4e 74hc14 r37 (short) r37 (short) + c43 10u + c43 10u 6 4 3 j7 j7 r33 470 r33 470 13 12 14 7 u4f 74hc14 u4f 74hc14 r36 10k r36 10k 6 4 3 j6 j6 r42 10k r42 10k c41 open c41 open 6 4 3 j5 j5 + c40 1u + c40 1u + c45 10u + c45 10u r35 470 r35 470 r41 (short) r41 (short) 9 8 14 7 u4d 74hc14 u4d 74hc14 6 4 3 j4 j4 r38 10k r38 10k r28 20k r28 20k r34 10k r34 10k c44 0.1u c44 0.1u + c39 1u + c39 1u
5 5 4 4 3 3 2 2 1 1 d d c c b b a a gnd gnd vcc_3.3v vcc_3.3v sdti1 bick1 lrck1 mclk1 cad0/csn1 vcc_3.3v scl/cclk1 cclk pdn1 csn mcki sdata lrck bick pdn sda/cdti1 sda/cdti vcc_3.3v cad0/csn1 scl/cclk1 sda/cdti1 pdn1 vcc_3.3v vcc_3.3v bick1 dir_bick dir_lrck dir_mclk dir_sdti lrck1 sdti1 mclk1 title size document number rev date: sheet of interface 2 akd4342-b b 44 wednesday, may 10, 2006 title size document number rev date: sheet of interface 2 akd4342-b b 44 wednesday, may 10, 2006 title size document number rev date: sheet of interface 2 akd4342-b b 44 wednesday, may 10, 2006 up-i/f csn scl/cclk sda/cdti lh sdti mclk lrck bick 3wire i2c 1 2 3 4 5 6 7 8 9 10 port3 port3 r22 10k r22 10k jp7 cad0 jp7 cad0 jp12 mclk jp12 mclk c27 0.1u c27 0.1u c35 0.1u c35 0.1u 3 4 14 7 u4b 74hc14 u4b 74hc14 2 1 3 sw1 dac/dir_pdn sw1 dac/dir_pdn r26 10k r26 10k jp11 sdti jp11 sdti jp5 bick jp5 bick r24 10k r24 10k jp6 lrck jp6 lrck r29 470 r29 470 r23 470 r23 470 jp10 sda jp10 sda 1 2 3 4 5 6 7 8 9 10 port2 dsp port2 dsp 1 2 14 7 u4a 74hc14 u4a 74hc14 r19 10k r19 10k a1 2 a2 3 a3 4 a4 5 a5 6 a6 7 a7 8 a8 9 g1 1 g2 19 y1 18 y2 17 y3 16 y4 15 y5 14 y6 13 y7 12 y8 11 vcc 20 gnd 10 74lvc541 u3 74lvc541 u3 r21 10k r21 10k r25 470 r25 470 2 1 d1 1s1588 d1 1s1588
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