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61108 ms pc/n1506 ms pc b8-3058 no.5775-1/12 specifications of any and all sanyo semiconductor co.,l td. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer ' s products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer ' sproductsor equipment. any and all sanyo semiconductor co.,ltd. products described or contained herein are, with regard to "standard application", intended for the use as general el ectronics equipment (home appliances, av equipment, communication device, office equipment, industrial equ ipment etc.). the products mentioned herein shall not be intended for use for any "special application" (medica l equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, t ransportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of re liability and can directly threaten human lives in case of failure or malfunction of the product or may cause har m to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for app lications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. if there is n o consultation or inquiry before the intended use, our customer shall be solely responsible for the use. LA7477W overview the LA7477W is a digital video camera audio signal i/o interf ace ic that integrates on a single chip a block previous implemented with discrete components. the LA7477W integrates the volume control circuit used for both headphones and speakers, and thus supports the implementation of circuit stru ctures ideal for digital video cameras that include an lcd panel. features ? three-wire serial bus control ? headphone and speaker volume controls (support for both serial and parallel operation) ? supports bilingual audio ? supports record, playback, and overdubbing ? low-power mode functions ? three inputs (microphone, line 1, line 2) ? alc (that can be turned on or off) ? fader circuit ? low-pass filter (used for both record and playback) ? electronic volume control circuit ? deemphasis circuit ? left + right channel mixer ? power muting function monolithic linear ic for digital video camera audio signal i/o interface ic orderin g numbe r : en5775a
LA7477W no.5775-2/12 specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage v cc 7v allowable power dissipation pd max ta 75 c 200 mv operating temperature topr -10 to +75 c storage temperature tstg -55 to +150 c operating conditions at ta = 25 c parameter symbol conditions ratings unit v cc 1 3.15 v recommended supply voltage v cc 2 4.75 v v cc 1 opg 3.0 to 3.6 v operating supply voltage range v cc 2 opg 4.5 to 5.5 v electrical characteristics at ta = 25 c, v cc 1 = 3.15v, v cc 2 = 4.75v, f = 1khz, lch, rch, evr ; center ratings parameter symbol conditions min typ max unit record current 1 i cc 3r1 v cc (l) = 3.15v, rec 13.3 17.8 22.3 ma record current 2 i cc 5r2 v cc (h) = 4.75v, rec 4.1 5.5 6.9 ma playback current 1 i cc 3p1 v cc (l) = 3.15v, pb 6.9 9.3 11.7 ma playback current 2 i cc 5p2 v cc (h) = 4.75v, pb 4.1 5.5 6.9 ma line output reference level v ol v in (mic) = -40dbv, v in (line1, 2) = -30dbv -11 -10 -9 dbv line output left/right level difference (thd) v old v in (mic) = -40dbv, v in (line1, 2) = -30dbv 0 1db line output total harmonic distortion v olthd v in (mic) = -40dbv, v in (line1, 2) = -30dbv 0.1 0.3 % line output noise voltage 1 v nol 1 mic in mode, alc-on, rg = 1k, jis-a filter -73 -70 dbv line output noise voltage 2 v nol 2 mic in mode, alc-off, rg = 1k, jis-a filter -79 -76 dbv line output noise voltage 3 v nol 3 line1, 2 in mode, alc-on, rg = 1k, jis-a filter -83 -80 dbv line output noise voltage 4 v nol 4 line1, 2 in mode, alc-off, rg = 1k, jis-a filter -87 -84 dbv line output alc level v ola v in (mic) = -30dbv, v in (line1, 2) = -20dbv -4.5 -3.0 -1.5 dbv line output alc (20db boost) harmonic distortion (thd) v olat v in (mic) = -20dbv 0.2 0.5 % record output reference level v or v in (mic) = -40dbv, v in (line1, 2) = -30dbv -18 -17 -16 dbv record output left/right level difference v ord 1 v in (mic) = -40dbv, v in (line1, 2) = -30dbv 0 1db record output total harmonic distortion (thd) v orthd v in (mic) = -40dbv, v in (line1, 2) = -30dbv 0.1 0.3 % record output noise voltage 1 v nor 1 mic in mode, alc-on, rg = 1k, jis-a filter -81 -78 dbv record output noise voltage 2 v nor 2 mic in mode, alc-off, rg = 1k, jis-a filter -86 -83 dbv record output noise voltage 3 v nor 3 line1, 2 in mode, alc-on, rg = 1k, jis-a filter -91 -88 dbv record output noise voltage 4 v nor 4 line1, 2 in mode, alc-off, rg = 1k, jis-a filter -96 -93 dbv record output alc level v ora v in (mic) = -30dbv, v in (line1, 2) = -20dbv -11.5 -10.0 -8.5 dbv record output maximum output level v ormax alc-off, v in (mic, line1, 2) at rec out thd = 1% -4 dbv record forward/reverse output level difference v ord 2 v in (mic) = -40dbv, v in (line1, 2) = -30db 0 0.2 db record forward/reverse output dc offset v oroff no signal 0 7mv continued on next page.
LA7477W no.5775-3/12 continued from preceding page. ratings parameter symbol conditions min typ max unit maximum input level v in max alc-on, v in (mic, line1, 2) at line out thd = 1% -5 dbv line maximum output level v ol max alc off at line out thd = 1% 2.5 3.5 dbv line muting attenuated output v omute v in (mic) = -25dbv, jis-a filter -75 -73 dbv fader output at maximum attenuation v ofade v in (mic) = -40dbv, jis-a filter -71 dbv record first-order low-pass filter frequency characteristics 1 v rlpf 1 v in (mic) = -40dbv, the 20khz/1khz ratio -0.5 -1.0 db record first-order low-pass filter frequency characteristics 2 v rlpf 2 v in (mic) = -40dbv, the 200khz/1khz ratio -3.5 -5.0 db v in (line1, 2) = -30dbv, mic in mode, rg = 1k, jis-a filter -75 -71 dbv v in (mic) = -40dbv, v in (line1) = -30dbv, line2 in mode, rg = 1k, jis-a filter -85 -81 dbv inter-input crosstalk in cr v in (mic) = -40dbv, v in (line2) = -30dbv, line1 in mode, rg = 1k, jis-a filter -85 -81 dbv headphone output level v ohp v in (mic) = -40dbv, evr center, 8 termination for a 47+8 load. -38 -35 -32 dbv headphone output left/right level difference v hpd v in (mic) = -40dbv, evr center, 8 termination for a 47+8 load. 0 2db headphone output harmonic distortion (thd) v ohpd v in (mic) = -40dbv, evr center, 8 termination for a 47+8 load. 0.2 0.5 % evr maximum fluctuation e vr max v in (mic) = -40dbv, evr center max 10 12 db evr minimum fluctuation e vr min v in (mic) = -40dbv, evr center min -70 -60 db speaker output reference level v osp v in (mic) = -40dbv, evr center -21 -18 -15 dbv speaker output harmonic distortion (thd) v ospd v in (mic) = -40dbv, evr center 0.1 0.3 % playback line output level v opb pb in = -21dbv -10.5 -10.0 -9.5 dbv playback third-order low-pass filter frequency characteristics 1 v plpf 1 pb in = -21dbv, the 20khz/1khz ratio 0 -1 db playback third-order low-pass filter frequency characteristics 2 v plpf 2 pb in = -21dbv, the 50khz/1khz ratio -5 -9 db ch cr 1 v in (mic) = -40dbv, (rch/lch) rg = 1k (lch/rch), alc-on, line out, jis-a filter -70 -68 dbv ch cr 2 v in (mic) = -40dbv, (rch/lch) rg = 1k (lch/rch), al c-off, line out, jis-a filter -76 -74 dbv ch cr 3 v in (line1, 2) = -30dbv, (rch/lch) rg = 1k (lch/rch), alc-on, line out, jis-a filter -80 -78 dbv inter-channel crosstalk ch cr 4 v in (line1, 2) = -30dbv, (rch/lch) rg = 1k (lch/rch), al c-off, line out, jis-a filter -86 -84 dbv
LA7477W no.5775-4/12 package dimensions unit : mm (typ) 3163b sanyo : sqfp48(7x7) 7.0 7.0 9.0 9.0 0.15 0.5 (1.5) 0.1 1.7max 0.18 0.5 (0.75) 112 13 24 25 36 37 48
LA7477W no.5775-5/12 block diagram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 evr evr evr evr v ref alc lpf fade d.c lpf mute db- emph det power mute + + + + - - serial data interface rch + + + + + + + + 33 f 47k 5.6k 5.6k 5.6k + 33 f 4.7 f 1k 1k 47 f 47 + 47 f + 47 f 47 4.7 f 47k 47k speaker driver sp mic amp ext mic int mic lch lch mute line in1/out rch line in1/out lch line in2 rch line in2 fade v cc (l) head phone 3.15v v cc (h) 4.75v rch v cc 5.6k evr 0.22 f 0.22 f 0.22 f 0.22 f 0.22 f 47k 0.22 f 4.7 f 33 f 10 f 10 f 1000pf 1000pf 33k 56k cs clk data cont4 cont3 cont2 cont1 system control da ad
LA7477W no.5775-6/12 serial communications serial data parameter initial values bit 1 evr ctl 1 l : 0, h : 1 0 bit 2 evr ctl 2 l : 0, h : 1 0 bit 3 evr ctl 3 l : 0, h : 1 0 bit 4 evr ctl 4 l : 0, h : 1 0 bit 5 evr ctl 5 l : 0, h : 1 0 bit 6 headphone and speaker on : 0, off : 1 1 bit 7 evr serial on : 0, off : 1 1 bit 8 12db amplifier through state off : 0, on : 1 1 bit 9 rec evr sw off : 0, on : 1 0 bit 10 de-emph off : 0, on : 1 0 bit 11 cont1 out l : 0, h : 1 1 bit 12 cont2 out l : 0, h : 1 1 bit 13 cont3 out l : 0, h : 1 1 bit 14 cont4 out l : 0, h : 1 1 bit 15 rfu sw off : 0, on : 1 0 bit 16 stereo/main/sub stereo : 0, main : 0, sub : 1 0 bit 17 stereo : 0, main : 1, sub : 0 0 bit 18 alc sw on : 0, off : 1 0 bit 19 line out on : 0, off : 1 0 bit 20 mic/line1/line2/speaker o ff mic : 0, line1 : 0, line2 : 1, speaker off : 1 0 bit 21 mic : 0, line1 : 1, line2 : 0, speaker off : 1 0 bit 22 mute sw off : 0, on : 1 1 bit 23 rec/pb/ee/power save rec : 0, pb : 0, ee : 1, power save : 1 0 bit 24 rec : 0, pb : 1, ee : 0, power save : 1 0 serial transfer timing maximum clock frequency f max 800khz clock pulse width (low) t wl 625ns minimum clock pulse width (high) t wh 625ns minimum chip enable setup time t cs 625ns minimum chip enable hold time t ch 625ns minimum data setup tim t ds 625ns minimum data hold time t dh 625ns minimum chip enable pulse width t wc 625ns minimum f max t cs t ds t dh t wh t wl t ch msb lsb t wc cs clock data
LA7477W no.5775-7/12 power on state (serial communication) the power-on reset state la sts from the rise of the power on pulse (1) created internally in the ic at power on to the second chip select signal rising edge (3) that is input after (2). however, since there is actually a delay of a few hundred ns internally in the ic the first data state starts at (4) and the ic enters the normal serial communication state after (4). h l power supply h l power on pulse (ic internal signal) power-on reset (ic internal signal) h l chip select h l a width of a few hundred ns the first data communication operation a delay of a few hundred ns power-on reset state serial communication state the data of the first transmission is latched. (1) (2) (3) (4)
LA7477W no.5775-8/12 headphone, speaker, and line out output states serial data output mode bit 6 bit 23 bit 24 headphone speaker line out rec 0 0 0 on on * 2 pb 0 0 1 on on * 2 ee 0 1 0 on on * 2 power save * 1 1 1 off off off headphone and speaker switches 1 * 1 * 1 off off * 2 notes. *1 : these are don't care states. *2 : in states other than power saving mode, this state does not depend on bits 6, 23, and 24 in the data, but rather is controlled by bit 19 in the data. furthermore, the speaker output can be controlled by bits 20 and 21 in the serial data, and has the logic shown below in each mode. however, note that the input selector goes to microphone mode if b its 20 and 21 are (1, 1). the table below lists the speaker output control logic in each mode. serial data bit 20 bit 21 rec pb ee power save 0 0 on on on off 0 1 on on on off 1 0 on on on off 1 1 off off off off note than in record mode, if bits 20 and 21 are (0, 0), care is require when using this ic, since the speakers will be turned on at the same time as the system switches to microphone mode. output signal table serial data output bit 15 bit 16 bit 17 line left channel headphone left speaker headphone right line right channel 0 0 0 l l l + r r r 1 0 0 l + r l l + r r r 0 0 1 l l l l l 1 0 1 l + r l l l l 0 1 0 r r r r r 1 1 0 l + r r r r r
LA7477W no.5775-9/12 pin functions pin no. pin name dc voltage ac voltage description equivalent circuit 1 evr ctl in 1.575v controls the evr. this pin can be used for external control by applying a voltage through an external resistor. this ic can also be controlled from serial data by connecting this pin to pin 2 through an external resistor. 1 1.575v 2 evr ctl serial out control output when evr is controlled by serial data 2 3 5 32 34 36 48 line in2 r mic in r mic in l line in2 l line in1 l line in1 r 1.80v -30dbv -40dbv -40dbv -30dbv -30dbv -30dbv (reference inputs) right channel line 2 input right channel microphone input left channel microphone input left channel line 2 input left channel line 1 input right channel line 1 input 5 32 3 36 48 34 50k v ref 4 fade in controls the fade char acteristics 4 70k 50k 6 33 44 gnd r gnd l gnd line right channel ground left channel ground line input ground 8 30 ext evr out r ext evr out l connect to the right channel external evr output. connect to the left channel external evr output. 8 30 50k v ref 7 31 ext evr in r ext evr in l 1.80v -40dbv (microphone mode) -30dbv (line mode) connect to the right channel external evr input. connect to the left channel external evr input. 7 31 continued on next page.
LA7477W no.5775-10/12 continued from preceding page. pin no. pin name dc voltage ac voltage description equivalent circuit 9 alc det alc detection ir (mic) 1.8 a ir (line) 0.5 a 9 30k ir 10 28 dc det r dc det l 1.80v detects the dc level and cancels the offset. 10 28 10k 10k 15k 11 12 26 27 rec out + r rec out - r rec out - l rec out + l 1.80v -17dbv (reference inputs) right channel record output + phase right channel record output - phase left channel record output - phase left channel record output + phase 12 26 11 27 13 25 de-emphasis r de-emphasis l 1.80v deemphasis control 13 25 35k 15k 14 15 23 24 amp + in r amp - in r amp - in l amp + in l 1.80v right channel playback + phase input right channel playback - phase input left channel playback - phase input left channel playback + phase input 15 23 14 24 v ref 12k 15k 12k 15k 16 17 18 chip select in clock in data in chip select input clock input data input 17 16 18 50k 50k 3pf continued on next page.
LA7477W no.5775-11/12 continued from preceding page. pin no. pin name dc voltage ac voltage description equivalent circuit 19 20 21 22 cont4 cont3 cont2 cont1 cont outputs 50k 19 20 21 22 29 mute ctl muting control 2.3v or higher: muting on 0.7v or lower: muting off 29 20k 108k 50k 35 v cc h 4.75v 37 power mute used to temporarily set the ic to the muted state when power is applied or removed. 37 1k 1k 30k 10k 200 v cc h 38 39 v ref v ref out 1.80v 1.80v ripple rejection filter connection v ref output 39 38 40.2k 53k 40 v cc l 3.15v 41 47 line out l line out r 2.375v -10dbv (reference inputs) left channel line output right channel line output 41 47 v cc h 10.2k 2k 2k 8.2k 42 45 46 headphone l speaker out headphone r 2.375v -35dbv -18dbv -35dbv (reference inputs) left channel headphone output speaker output right channel headphone output 45 42 46 v cc h 43 power mute out muting control output used when power is applied or removed. 43 v cc h 10k 200
LA7477W ps no.5775-12/12 sanyo semiconductor co.,ltd. assumes no responsib ility for equipment failures that result from using products at values that exceed, even momentarily, rate d values (such as maximum ra tings, operating condition ranges, or other parameters) listed in products specif ications of any and all sanyo semiconductor co.,ltd. products described or contained herein. sanyo semiconductor co.,ltd. strives to supply high-qual ity high-reliability products, however, any and all semiconductor products fail or malfunction with some probabi lity. it is possible that these probabilistic failures or malfunction could give rise to acci dents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause dam age to other property. when designing equipment, adopt safety measures so that these kinds of accidents or e vents cannot occur. such measures include but are not limited to protective circuits and error prevention c ircuits for safe design, redundant design, and structural design. upon using the technical information or products descri bed herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of sanyo semiconductor co.,ltd. or any third party. sanyo semiconductor co.,ltd. shall not be liable f or any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. information (including circuit diagr ams and circuit parameters) herein is for example only; it is not guaranteed for volume production. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equi pment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. in the event that any or all sanyo semiconductor c o.,ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities conc erned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any in formation storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. this catalog provides information as of june, 2008. specifications and information herein are subject to change without notice.

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