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[AKD4425A-SA] ak4425a evaluation board rev.0 akd4425a - sa general description AKD4425A-SA is an evaluation board for ak 4425a (192khz sampling 24bit stereo ? dac with 2vrms output). AKD4425A-SA has a digital audio interface (ak4118) of optical input and can easily achieve the interface with digital audio syste m. therefore, it is easy to evaluate the sound quality of ak4425a. ? ordering guide AKD4425A-SA ---- ak4425a evaluation board function ? compatible with 2 types of interface dir with optical input and bnc input direct interface with 10pin header ? bnc connector for analog output +15v lout ctrl ak4425a ak4118 (dir) opt in 10pin header regulator rout bnc in avdd dsp 5v 3.3v vdd gnd figure 1. AKD4425A-SA block diagram (* circuit diagram are attached at the end of this manual.) 2009/09 - 1 -
[AKD4425A-SA] ? operation sequence 1) set up the power supply lines. each supply line should be distributed from the power supply unit. name of jack color of jack voltage range using default se tting default +15v red +7 +20v regulator : vdd and avdd for ak4425a. the power supply for ak4118, 74lvc541 and other logic circuit. should be connected. +15v vdd orange +4.5 +5.5v vdd of ak4425a should be connected. (default, note1) +5v avdd orange +4.5 +5.5v avdd of ak4425a should be connected. (default, note2) +5v gnd black 0v ground should be connected. 0v table 1. set up of power supply lines note 1 ) vdd for ak4425a can supply to connect regulator. in this case, should be to ?short? of r58 and no connected ?vdd? of jack. note 2 ) a vdd for ak4425a can supply to connect regulator. in this case, should be to ?short? of r59 and no connected ?avdd? of jack. 2) dip switch setting: refer to table 2, table 3 and table 4. 3) power down: the ak4118 should be reset once by bringing sw2 (ak4118 pdn) ?l? upon power-up. ? evaluation mode 1. using dir (coax) (default) the dir generates mclk, bick, lrck and sdata from th e received data through bn c connector (j3). it is possible to evaluate the ak4425a by using cd disk. should be no connected to port1 (dsp). setting: r41: short (0 ? ) ; r42: open coax is recommended for an evaluation of the sound quality. 2. using dir (optical link) the dir generates mclk, bick, lrck and sdata from the received data through optical connector (port2: torx141). it is possible to evaluate the ak4425a by using cd disk. should be no connected to port1 (dsp). setting: r41: open ; r42: short (0 ? ) 3. supply all interface signals th at includ master clock via po rt1 from external equipments.. setting: r43, r44, r45, r46: open r47, r48, r49, r50: short (0 ? ) note) the above work of removing (open) or shorting resistors need to modify the connection by soldering. 2009/09 - 2 -
[AKD4425A-SA] ? setting of dip switch [s1]: ak4118 setting (on = ?h?, off = ?l?) no. pin off on default 1 dif1 l 2 dif0 ak4118?s audio data format setting refer to table 3 l 3 ocks1 h 4 ocks0 ak4118 ? s master clock setting refer to table 4 l table 2. s1 setting mode dif2 dif1 dif0 sdto 4 l l 24bit, left justified 5 h l h 24bit, i 2 s default table 3. audio data format setting ocks1 ocks0 mcko1 fs (max.) l l 256fs 96khz h l 512fs 48khz h h 128fs 192khz default table 4. mclk clock setting ? setting of sw1 and sw2 switch [sw1](smute): don?t use. sw1 must be always ?l?. [sw2](pdn): reset of ak4118. keep ?h? during normal operation. 2009/09 - 3 -
[AKD4425A-SA] ? serial control (i 2 c-bus control mode) the ak4425a can be controlled via the printer port (parallel port) of ibm-at compatible pc. connect port3 (ctrl) with pc by 10 wire flat cable packed with the AKD4425A-SA connect cdto/sda(ack) cclk/scl cdti/sda 10pin header 10pin connector 10 wire flat cable pc AKD4425A-SA 2 10 9 port3 ctrl red csn figure 2. connect of 10 wire flat cable ? analog output circuit aoutl and aoutr pins are outputted from j1 (lout) and j2 (rout). r1 (open) r2 (open) c27 2.2n + c24 (short) c29 2.2n r21 (short) + c28 (short) r16 470 j1 bnc-r-pc 1 2 3 4 5 r20 470 j2 bnc-r-pc 1 2 3 4 5 r18 (open) rout lout r22 (open) r17 (short) aoutl aoutr figure 3. aoutl / aoutr output circuit ? akm assumes no responsibility for the trouble when using the above circuit examples. 2009/09 - 4 -
[AKD4425A-SA] control soft manual evaluation board and control soft settings 1. set an evaluation board properly. 2. connect the evaluation board to an ibm pc/at compatible pc by a 10wire flat cable. be aware of the direction of the 10pin header. when running this control soft on the wi ndows 2000/xp, the driver which is included in the cd must be installed. refer to the ?driver control inst all manual for akm device control software? for installing the driver. when running this control soft on the wind ows 95/98/me, driver installing is not necessary. this control soft does not support the windows nt. 3. proceed evaluation by followi ng the process below. operation screen 1. start up the control program following the process above. the operation screen is shown below. figure 4. window of [ function] 2009/09 - 5 -
[AKD4425A-SA] operation overview function, register map and testing tool can be controlled by this control soft. these controls are selected by upper tabs. buttons which are frequently used such as register initia lizing button ?write default?, are located outside of the switching tab window. refer to the ? dialog boxes? for details of each dialog box setting. 1. [port reset]: for when connecting to usb i/f board (akdusbif-a) click this button after the control soft starts up when connecting usb i/f board (akdusbif-a). 2. [write default]: register initializing when the device is reset by a hardware reset, use this button to initialize the registers. 3. [all write]: executing write commands for all registers displayed. 4. [save]: saving current register settings to a file. 5. [load]: executing data write from a saved file. 6. [data r/w]: ?data r/w? dialog box is popped up. tab functions [data r/w] click the [data r/w] button in the main wi ndow for data read/write dialog box. data write is available to specified address. figure 5. window of [ data r/w ] address box : input data address in hexadecimal numbers for data writing. data box : input data in hexadecimal numbers. mask box : input mask data in hexadecimal numbers. this is ?and? processed input data. [write] : writing to the address specified by ?address? box. [close] : closing the dialog box and finish the process. data writing can be cancelled by this button instead of [write] button. *the register map will be updated after executing [write] or [read] commands. 2009/09 - 6 -
[AKD4425A-SA] [reg]: register map this tab is for a register writing and reading. each bit on the register map is a push-button switch. button down indicates ?h? or ?1? and the bit name is in red (when read only it is in deep red). button up indicates ?l? or ?0? and the bit name is in blue (when read only it is in gray) grayout registers are read only regist ers. they can not be controlled. the registers which is not defined in the datasheet are indicated as ?---?. figure 6. window of [ reg] 2009/09 - 7 -
[AKD4425A-SA] [write]: data writing dialog it is for when changing two or more bits on the same address at the same time. click [write] button located on the right of the eac h corresponded address fo r a pop-up dialog box. when checking the checkbox, the register will be ?h? or ?1?, when not checking the re gister will be ?l? or ?0?. click [ok] to write setting value to the registers, or click [cancel] to cancel this setting. figure 7. window of [ register set ] 2009/09 - 8 -
[AKD4425A-SA] [tool]: testing tools this tab screen is for evaluation testing tool. click buttons for each testing tool. figure 8. window of [ tool] 2009/09 - 9 -
[AKD4425A-SA] [repeat test]: repeat test dialog click [repeat test] button to open repeat test setting dialog box. figure 9. window of [ repeat test] 2009/09 - 10 -
[AKD4425A-SA] [loop setting]: loop setting dialog click [loop setting] button to open loop setting dialog box. figure 10. window of [ loop] 2009/09 - 11 -
[AKD4425A-SA] measurement results [measurement condition] ? measurement unit : audio preci sion system two cascade (ap2) ? mclk : 512fs (fs = 44.1khz), 256fs (fs = 96khz), 128fs (fs = 192khz) ? bick : 64fs ? fs : 44.1khz, 96khz, 192khz ? bit : 24bit ? power supply : vdd=avdd=5v ? interface : dir ? temperature : room table data fs=44.1khz parameter input signal filter condition lch rch unit s/(n+d) 1khz, 0db 20khz spcl, 20khz brick-wall lpf 91.6 91.1 db dr 1khz, -60db 20khz spcl, a-weighted 106.1 106.0 db s/n ?0? data 20khz spcl, a-weighted 106.5 106.3 db fs=96khz parameter input signal filter condition lch rch unit s/(n+d) 1khz, 0db 40khz spcl, 40khz brick-wall lpf 91.6 91.1 db dr 1khz, -60db 40khz spcl, a-weighted 106.2 106.0 db s/n ?0? data 40khz spcl, a-weighted 106.4 106.3 db fs=192khz parameter input signal filter condition lch rch unit s/(n+d) 1khz, 0db 40khz spcl, 40khz brick-wall lpf 91.5 91.0 db dr 1khz, -60db 40khz spcl, a-weighted 106.3 106.1 db s/n ?0? data 40khz spcl, a-weighted 106.4 106.3 db 2009/09 - 12 -
[AKD4425A-SA] plot data (1) fs = 44.1khz (mclk=512fs) 0dbfs fft@fs=44.1khz [blue:lout, red:rout] 20 20k 50 100 200 500 1k 2k 5k 10k hz -180 +0 -160 -140 -120 -100 -80 -60 -40 -20 d b r a figure 11. fft (fin=1khz, input level=0dbfs) -60dbfs fft@fs=44.1khz [blue:lout, red:rout] 20 20k 50 100 200 500 1k 2k 5k 10k hz -180 +0 -160 -140 -120 -100 -80 -60 -40 -20 d b r a figure 12. fft (fin=1khz, input level=-60dbfs) 2009/09 - 13 -
[AKD4425A-SA] no signal fft@fs=44.1khz [blue:lout, red:rout] 20 20k 50 100 200 500 1k 2k 5k 10k hz -180 +0 -160 -140 -120 -100 -80 -60 -40 -20 d b r a figure 13. fft (no signal) out of band noise@fs=44.1khz [blue:lout, red:rout] 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k hz -180 +0 -160 -140 -120 -100 -80 -60 -40 -20 d b r a figure 14. fft (out of band noise) 2009/09 - 14 -
[AKD4425A-SA] thd+n vs. input level@fs=44.1khz [blue:lout, red:rout] -140 +0 -120 -100 -80 -60 -40 -20 dbfs -120 -60 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 d b r a figure 15. thd+n vs. input level (fin=1khz, 20khz spcl) thd+n vs. input frequency@fs=44.1khz [blue:lout, red:rout] 20 20k 50 100 200 500 1k 2k 5k 10k hz -120 -60 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 d b r a figure 16. thd+n vs. input frequency (input level=0dbfs, 20khz spcl) 2009/09 - 15 -
[AKD4425A-SA] linearity@fs=44.1khz [blue:lout, red:rout] -140 +0 -120 -100 -80 -60 -40 -20 dbfs -140 +0 -120 -100 -80 -60 -40 -20 d b r a figure 17. linearity (fin=1khz) frequency response@fs=44.1khz [blue:lout, red:rout] 2k 20k 4k 6k 8k 10k 12k 14k 16k 18k hz -1 +1 -0.8 -0.6 -0.4 -0.2 +0 +0.2 +0.4 +0.6 +0.8 d b r a figure 18. frequency response (input level=0dbfs) 2009/09 - 16 -
[AKD4425A-SA] crosstalk@fs=44.1khz 2k 20k 4k 6k 8k 10k 12k 14k 16k 18k hz -140 -80 -135 -130 -125 -120 -115 -110 -105 -100 -95 -90 -85 d b figure 19. crosstalk (input level=0dbfs) red: lch ? rch, blue: rch ? lch 2009/09 - 17 -
[AKD4425A-SA] (2) fs = 96khz (mclk=256fs) 0dbfs fft@fs=96khz [blue:lout, red:rout] 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -180 +0 -160 -140 -120 -100 -80 -60 -40 -20 d b r a figure 20. fft (fin=1khz, input level=0dbfs) -60dbfs fft@fs=96khz [blue:lout, red:rout] 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -180 +0 -160 -140 -120 -100 -80 -60 -40 -20 d b r a figure 21. fft (fin=1khz, input level=-60dbfs) 2009/09 - 18 -
[AKD4425A-SA] no signal fft@fs=96khz [blue:lout, red:rout] 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz -180 +0 -160 -140 -120 -100 -80 -60 -40 -20 d b r a figure 22. fft (no signal) out of band noise@fs=96khz [blue:lout, red:rout] 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k hz -180 +0 -160 -140 -120 -100 -80 -60 -40 -20 d b r a figure 23. fft (out of band noise) 2009/09 - 19 -
[AKD4425A-SA] thd+n vs. input level@fs=96khz [blue:lout, red:rout] -120 -60 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 d b r a -140 +0 -120 -100 -80 -60 -40 -20 dbfs figure 24. thd+n vs. input level (fin=1khz) thd+n vs. input frequency@fs=96khz [blue:lout, red:rout] -120 -60 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 d b r a 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz figure 25. thd+n vs. input frequency (input level=0dbfs) 2009/09 - 20 -
[AKD4425A-SA] linearity@fs=96khz [blue:lout, red:rout] -140 +0 -120 -100 -80 -60 -40 -20 d b r a -140 +0 -120 -100 -80 -60 -40 -20 dbfs figure 26. linearity (fin=1khz) frequency response@fs=96khz [blue:lout, red:rout] -1 +1 -0.8 -0.6 -0.4 -0.2 +0 +0.2 +0.4 +0.6 +0.8 d b r a 5k 40k 10k 15k 20k 25k 30k 35k hz figure 27. frequency response (input level=0dbfs) 2009/09 - 21 -
[AKD4425A-SA] crosstalk@fs=96khz -140 -80 -135 -130 -125 -120 -115 -110 -105 -100 -95 -90 -85 d b 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz figure 28. crosstalk (input level=0dbfs) red: lch ? rch, blue: rch ? lch 2009/09 - 22 -
[AKD4425A-SA] (3) fs = 192khz (mclk=128fs) 0dbfs fft@fs=192khz [blue:lout, red:rout] -180 +0 -160 -140 -120 -100 -80 -60 -40 -20 d b r a 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 29. fft (fin=1khz, input level=0dbfs) -60dbfs fft@fs=192khz [blue:lout, red:rout] -180 +0 -160 -140 -120 -100 -80 -60 -40 -20 d b r a 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 30. fft (fin=1khz, input level=-60dbfs) 2009/09 - 23 -
[AKD4425A-SA] no signal fft@fs=192khz [blue:lout, red:rout] -180 +0 -160 -140 -120 -100 -80 -60 -40 -20 d b r a 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 31. fft (no signal) out of band noise@fs=192khz [blue:lout, red:rout] -180 +0 -160 -140 -120 -100 -80 -60 -40 -20 d b r a 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 32. fft (out of band noise) 2009/09 - 24 -
[AKD4425A-SA] thd+n vs. input level@fs=192khz [blue:lout, red:rout] -120 -60 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 d b r a -140 +0 -120 -100 -80 -60 -40 -20 dbfs figure 33. thd+n vs. input level (fin=1khz) thd+n vs. input frequency@fs=192khz [blue:lout, red:rout] -120 -60 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 d b r a 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 34. thd+n vs. input frequency (input level=0dbfs) 2009/09 - 25 -
[AKD4425A-SA] linearity@fs=192khz [blue:lout, red:rout] -140 +0 -120 -100 -80 -60 -40 -20 d b r a -140 +0 -120 -100 -80 -60 -40 -20 dbfs figure 35. linearity (fin=1khz) frequency response@fs=192khz [blue:lout, red:rout] -2 +1 -1.5 -1 -0.5 +0 +0.5 d b r a 10k 80k 20k 30k 40k 50k 60k 70k hz figure 36. frequency response (input level=0dbfs) 2009/09 - 26 -
[AKD4425A-SA] crosstalk@fs=192khz -140 -80 -135 -130 -125 -120 -115 -110 -105 -100 -95 -90 -85 d b 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 37. crosstalk (input level=0dbfs) red: lch ? rch, blue: rch ? lch 2009/09 - 27 -
[AKD4425A-SA] revision history date manual board (yy/mm/dd) revision important notice z these products and their specifications ar e subject to change without notice. when you consider any use or application of these products , please make inquiries the sales office of asahi kasei microdevices corporation (akm) or authorized distributors as to current status of the products. z akm assumes no liability for infringement of any patent, intellect ual property, or other rights in the application or use of any information contained herein. z any export of these products, or devices or systems containing them, may require an export license or other official approval under the law and regulations of the country of expor t pertaining to customs and tariffs, currency exchange, or strategic materials. z akm products are neither intended nor au thorized for use as critical components note1) in any safety, life support, or other hazard related device or system note2) , and akm assumes no responsibility for such use, except for the use approved with the express written consent by representative director of akm. as used here: note1) a critical component is one whose failure to func tion 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. note2) 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 othe r 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. z it is the responsibility of the buyer or distributor of akm pr oducts, who distributes, dispos es of, or otherwise places the product with a third party, to notify such third 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. revision reason page contents 09/09/02 km100600 0 first edition 2009/09 - 28 -
5 5 4 4 3 3 2 2 1 1 d d c c b b a a 442x-avdd 442x-vdd 442x-mclk 442x-bick 442x-sdata 442x-lrck 442x-csn/cad0/smute 442x-cclk/scl 442x-cdti/sda aoutl aoutr d5v title size document number rev date: sheet of ak4425a 0 AKD4425A-SA a4 14 wednesday, august 19, 2009 title size document number rev date: sheet of ak4425a 0 AKD4425A-SA a4 14 wednesday, august 19, 2009 title size document number rev date: sheet of ak4425a 0 AKD4425A-SA a4 14 wednesday, august 19, 2009 manual on auto off 4425/6 4425/6 c5 0.1u c5 0.1u r53(short) r53(short) r35(open) r35(open) r54 (open) r54 (open) c3 1u c3 1u + c2 10u + c2 10u r36(short) r36(short) ak4425a u1 ak4425a u1 vdd 1 mclk 2 bick 3 sdti 4 lrck 5 csn 6 cclk 7 cdti 8 aoutr 9 avdd 10 vss2 11 aoutl 12 vee 13 cn 14 cp 15 vss1 16 r60 (open) r60 (open) r55 (open) r55 (open) c4 1u c4 1u + c6 10u + c6 10u r37(open) r37(open) r56 (open) r56 (open) c1 0.1u c1 0.1u r34(open) r34(open) r38(open) r38(open) r57 (open) r57 (open) r33(short) r33(short)
5 5 4 4 3 3 2 2 1 1 d d c c b b a a d3.3v d3.3v 442x-mclk 442x-bick 442x-sdata 442x-lrck 442x-csn/cad0/smute 442x-cclk/scl cclk/scl csn/cad0 lvc d3.3v dif0 4118-vcc dif1 ocks0 ocks1 dif0 ocks0 ocks1 4118-vcc rx-out 4118-vcc d5v d3.3v 4118-vcc dif1 title size document number rev date: sheet of clock & dir 0 AKD4425A-SA a3 24 wednesday, august 19, 2009 title size document number rev date: sheet of clock & dir 0 AKD4425A-SA a3 24 wednesday, august 19, 2009 title size document number rev date: sheet of clock & dir 0 AKD4425A-SA a3 24 wednesday, august 19, 2009 ak4118-pdn h l mclk bick sdata lrck csn cclk/scl dsp mclk bick sdata lrck smute h l csn/cad0 smute hl dif0 dif1 ocks0 ocks1 ak4118-int0 ak4118-int1 r50(open) r50(open) u4 74hc14 u4 74hc14 gnd 7 1a 1 3a 5 5a 11 5y 10 3y 6 1y 2 2y 4 4y 8 6y 12 6a 13 4a 9 2a 3 vcc 14 r6 51 r6 51 r52(open) r52(open) + c11 10u + c11 10u r9 10k r9 10k r14 10k r14 10k test2 test2 r62 (open) r62 (open) r44(short) r44(short) r51(short) r51(short) + c7 10u + c7 10u r12 10k r12 10k c12 0.1u c12 0.1u d1 hsu119 d1 hsu119 k a c14 0.1u c14 0.1u sw2 ate1d-2m3 sw2 ate1d-2m3 2 1 3 c10 0.1u c10 0.1u u2 74lvc541a u2 74lvc541a 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 r10 51 r10 51 test1 test1 r61 (open) r61 (open) r49(open) r49(open) r3 5.1 r3 5.1 r45(short) r45(short) r4 51 r4 51 c23 0.1u c23 0.1u r47(open) r47(open) + c13 10u + c13 10u d2 hsu119 d2 hsu119 k a r11 (open) r11 (open) u3 ak4118 u3 ak4118 ips0/rx4 1 nc 2 dif0/rx5 3 test2 4 dif1/rx6 5 vss1 6 dif2/rx7 7 ips1/iic 8 p/sn 9 xtl0 10 xtl1 11 tvdd 13 nc/gp1 14 tx0/gp2 15 tx1/gp3 16 bout/gp4 17 cout/gp5 18 uout/gp6 19 vout/gp7 20 dvdd 21 vss2 22 mcko1 23 bick 26 mcko2 27 daux 28 xto 29 xti 30 pdn 31 cm0/cdto/cad1 32 cm1/cdti/sda 33 ocks1/cclk/scl 34 ocks0/csn/cad0 35 int0 36 avdd 38 r 39 vcom 40 vss3 41 rx0 42 nc 43 rx1 44 test1 45 rx2 46 vss4 47 rx3 48 vin/gp0 12 lrck 24 sdto 25 int1 37 r43(short) r43(short) c15 (open) c15 (open) port1 a1-10pa-2.54dsa port1 a1-10pa-2.54dsa 10 8 6 4 2 1 3 5 7 9 c21 0.1u c21 0.1u r13 (open) r13 (open) rp1 47k rp1 47k 4 3 2 1 c22 0.1u c22 0.1u s1 sw dip-4 s1 sw dip-4 4 3 2 1 5 6 7 8 c8 0.1u c8 0.1u sw1 ate1d-2m3 sw1 ate1d-2m3 2 1 3 r48(open) r48(open) r46(short) r46(short) r8 51 r8 51 + c9 10u + c9 10u c16 (open) c16 (open) r5 51 r5 51
5 5 4 4 3 3 2 2 1 1 d d c c b b a a d3.3v rx-out aoutl aoutr 442x-cdti/sda csn/cad0 cclk/scl d5v d3.3v d5v d5v title size document number rev date: sheet of input, output 0 AKD4425A-SA a4 34 wednesday, august 19, 2009 title size document number rev date: sheet of input, output 0 AKD4425A-SA a4 34 wednesday, august 19, 2009 title size document number rev date: sheet of input, output 0 AKD4425A-SA a4 34 wednesday, august 19, 2009 coax opt bnc lout rout cclk/scl cdto/sda(ack) cdti/sda csn rx cad0 3-wire r2 (open) r2 (open) + c26 10u + c26 10u r30 1.8k r30 1.8k c25 0.1u c25 0.1u u6 74ls07 u6 74ls07 1a 1 1y 2 vcc 14 gnd 7 2a 3 3a 5 4a 9 5a 11 6a 13 2y 4 3y 6 4y 8 5y 10 6y 12 r25 470 r25 470 r23 75 r23 75 r42(open) r42(open) c27 2.2n c27 2.2n r26 10k r26 10k r18 (open) r18 (open) r16 470 r16 470 r28 10k r28 10k j2 bnc-r-pc j2 bnc-r-pc 1 2 3 4 5 r41(short) r41(short) port3 ctrl port3 ctrl 10 8 6 4 2 1 3 5 7 9 + c24 (short) + c24 (short) r17 (short) r17 (short) r40 (open) r40 (open) c30 0.1u c30 0.1u r24 10k r24 10k r29 470 r29 470 + c28 (short) + c28 (short) c31 0.1u c31 0.1u r39 (open) r39 (open) r19 51 r19 51 port2 torx141 port2 torx141 out 1 vcc 3 gnd 2 c32 0.1u c32 0.1u r20 470 r20 470 r1 (open) r1 (open) j3 bnc-r-pc j3 bnc-r-pc 1 2 3 4 5 r22 (open) r22 (open) c29 2.2n c29 2.2n r27 470 r27 470 r21 (short) r21 (short) j1 bnc-r-pc j1 bnc-r-pc 1 2 3 4 5 l1 47u l1 47u 1 2 u5 74hct157 u5 74hct157 1a 2 1y 4 1b 3 2a 5 2y 7 2b 6 3a 11 3y 9 3b 10 4a 14 4y 12 4b 13 a/b 1 g 15 vcc 16 gnd 8
5 5 4 4 3 3 2 2 1 1 d d c c b b a a +15v-in +15v-in vdd-in avdd-in vdd-in avdd-in 442x-avdd 442x-vdd d3.3v lvc d5v title size document number rev date: sheet of power supply 0 AKD4425A-SA a4 44 wednesday, august 19, 2009 title size document number rev date: sheet of power supply 0 AKD4425A-SA a4 44 wednesday, august 19, 2009 title size document number rev date: sheet of power supply 0 AKD4425A-SA a4 44 wednesday, august 19, 2009 +15v-->+5v +15v +5v +15v +15v-->+3.3v +3.3v +3.3v +5v avdd t45_o avdd t45_o 1 t1 upc3533hf t1 upc3533hf out 3 gnd 2 in 1 + c42 47u + c42 47u 1 2 + c38 470u + c38 470u 1 2 t2 njm78m05fa t2 njm78m05fa out 3 gnd 2 in 1 c39 0.1u c39 0.1u c35 0.1u c35 0.1u + c37 47u + c37 47u r31 (short) r31 (short) gnd t45_black gnd t45_black 1 r58(open) r58(open) c40 0.1u c40 0.1u vdd t45_o vdd t45_o 1 c36 0.1u c36 0.1u + c34 470u + c34 470u r32 (open) r32 (open) + c41 47u + c41 47u 1 2 +15v t45_r +15v t45_r 1 + c43 47u + c43 47u 1 2 r59(open) r59(open)

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