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mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 1/18 www.mosanalog.com 3 stereo inputs and 4-channel outputs volume, tone, balance, fader, loudness, and selectable input gain features ? operation range : 2.7v~6.5v ? 3 stereo inputs with selectable input gain ? 4 independent speaker controls for fader and balanc e ? tone controls (treble and bass) and loudness functi on ? independent mute function ? volume control in 1.25 db/step ? i 2 c interface ? components less and good psrr ? housed in sop28, ssop28 packages applications ? portable audio device ? car stereo audio ? hi-fi audio system ? cross-reference: tda7313 description the MS6713 is a 3 stereo inputs/4-channel outputs d igital control audio processor for the low voltage operation. volume, tone (bass and treble), balance (left/right ), and fader (front/rear) processor are incorporate d into a single chip. the MS6713 also has the loudness function and selec table input gain. these functions can be built a hi -fi audio system easily. all functions are programmable via t he serial i 2 c bus. the default states of the chip as the power is on are: the volume is -78.75db, the stereo 4 is select ed, all the speakers are mute and the gains of the input stage, the bass and the treble are 0db. the stereo 4 is connected i nternally, but not available on pins. block diagram rin2 rin1 treble bass volume & londness volume & londness bass treble lin1 lin2 lin3 rin3 ref r b r b input selector &gain control loud_r rout rin treb_r bout_r bin_r loud_l lout lin treb_l bout_l bin_l 1 7 8 9 4 5 6 13 14 15 10 11 12 19 20 21 16 17 18 speak att mute speak att mute speak att mute speak att mute out_lf out_lr out_rf out_rr 25 22 23 24 scl sda dgnd 26 27 28 supply avdd agnd 2 3 serial bus decoder and latches
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 2/18 www.mosanalog.com pin configuration symbol pin description ref 1 analog reference voltage 1/2vdd vdd 2 supply input voltage agnd 3 analog ground treb_l 4 left channel input for treble controller treb_r 5 right channel input for treble controller rin 6 audio processor right channel input rout 7 gain output and input selector for right cha nnel loud_r 8 right channel loudness input rin3 9 right channel input 3 rin2 10 right channel input 2 rin1 11 right channel input 1 loud_l 12 left channel loudness input lin3 13 left channel input 3 lin2 14 left channel input 2 lin1 15 left channel input 1 lin 16 audio processor left channel input lout 17 gain output and input selector for left cha nnel bin_l 18 left bass controller input channel bout_l 19 left bass controller output channel bin_r 20 right bass controller input channel bout_r 21 right bass controller output channel out_rr 22 right rear speaker output out_lr 23 left rear speaker output out_rf 24 right front speaker output out_lf 25 left front speaker output dgnd 26 digital ground sda 27 i 2 c data input scl 28 i 2 c clock input bin_l lout lin lin1 lin2 lin3 loud_l rin1 27 26 25 28 2 3 4 1 scl sda dgnd out_lf ref vdd agnd treb_l out_rf out_lr out_rr bout_r bin_r bout_l rin2 rin3 loud_r rout rin treb_r 23 22 21 24 6 7 8 5 19 18 17 20 10 11 12 9 15 16 14 13 MS6713 sop28 / ssop28
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 3/18 www.mosanalog.com ordering information package part number packaging marking transport media 28-pin sop (lead free) MS6713gtr MS6713g 1k units t ape and reel 28-pin sop (lead free) MS6713gu MS6713g 25 units tu be 28-pin ssop (lead free) MS6713ssgtr MS6713g 2.5k un its tape and reel 28-pin ssop (lead free) MS6713ssgu MS6713g 50 units tube absolute maximum ratings symbol parameter rating unit v dd supply voltage 6.5 v v esd electrostatic handling -3000 to 3000 v t stg storage temperature range -65 to 150 t a operating ambient temperature range -40 to 85 t j maximum junction temperature 150 t s soldering temperature, 10 seconds 260 r thja thermal resistance from junction to ambient in free air sop28 ssop28 210 210 /w operating ratings symbol parameter min typ max unit v dd supply voltage 2.7 - 6.5 v
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 4/18 www.mosanalog.com 5v electrical characteristics (ta=25 , all stages 0db, f=1khz, c ref =22uf, refer to the application circuit; unless ot herwise specified) symbol parameter conditions min typ max unit supply i q quiescent current v in =0v - 12.2 12.5 ma psrr power supply rejection ratio c ref = 22uf, f = 100hz 55 60 - db input selectors r in input resistance input 1,2,3 35 50 70 k g in input gain range gain 0 - 11.25 db g step step resolution - 3.75 - db err g gain setting error -0.2 0 0.2 db loud loudness c loud =100nf, f =20hz volume=-40db 19 20 - db volume control cr vol volume control range attenuation -78.75 - 0 db res vol volume step resolution - 1.25 - db av = 0 to -40db -0.5 0 1 db err vol volume setting error av = -40 to -60db -1 0 5 db speaker attenuators cr spk speaker control range attenuation -37.5 - 0 db res spk speaker step resolution - 1.25 - db err spk speaker setting error -0.2 0 0.1 db mute output mute attenuation - -65 -60 db bass control cr bas bass control range boost/cut -14 - 14 db res bas bass step resolution - 2 - db err bas speaker setting error f =100hz -0.3 0 0.1 db r b internal feedback resistance 34 44 58 k treble control cr bas treble control range boost/cut -14 - 14 db res bas treble step resolution - 2 - db err bas treble setting error f =20khz -0.3 0 0.1 db general vo max maximum output voltage swing (thd+n)/s <0.3% - 4.5 - vpp - -75 - db thd+n total harmonic distortion plus noise v out =2vpp - 0.0177 - % s/n signal-to-noise ratio v out =4vpp - 97 - db cs channel separation left/right 93 97 - db bus input v ih bus high input level 2 - - v v il bus low input level - - 0.8 v notes : bass and treble response see to curve. the center frequency and quality of the response behavi or can be chosen by the external.
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 5/18 www.mosanalog.com 2.7v electrical characteristics (ta=25 , all stages 0db, f=1khz, c ref =22uf, refer to the application circuit; unless ot herwise specified) symbol parameter conditions min typ max unit supply i q quiescent current v in =0v - 8.7 9 ma psrr power supply rejection ratio c ref = 22uf, f = 100hz 53 58 - db general vo max maximum output voltage swing (thd+n)/s <0.3% - 2.5 - vpp - -50 - db thd+n total harmonic distortion plus noise v out =2vpp - 0.3 - % s/n signal-to-noise ratio v out =2.5vpp 90 94 - db cs channel separation left/right 90 94 - db typical performance characteristics (ta=25 , all stages 0db, f=1khz, c ref =22uf, refer to the application circuit; unless ot herwise specified) loud (db) frequency (hz) loud (db) frequency (hz) loud (db) frequency (hz) loudness vs. volume loudness vs. frequency vs. volume loudness vs. external capacitors tone (db) frequency (hz) channel separation (db) frequency (hz) quiescent current (ma) supply voltage (v) typical tone response channel separation vs. frequency quiescent current vs. supply voltage v dd =5v c loud = 100nf 220nf open v dd =5v v in =0dbv v dd =5v treble=bass= -14~14db v dd =5v v dd =5v volume=-40db 56nf 100nf loudness off 33nf 10nf v dd =2.7v v in =-3dbv
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 6/18 www.mosanalog.com thd+n (%) frequency (hz) thd+n (%) output voltage (dbv) thd+n (%) output voltage (dbv) thd+n vs. frequency thd+n vs. output voltage thd+n vs. output voltage psrr (db) frequency (hz) psrr (db) frequency (hz) psrr vs. frequency psrr vs. frequency v dd =5v v o =2vpp v dd =5v f=1khz f=20hz f=20khz v dd =2.7v v o =2vpp v dd =2.7v f=1khz f=20hz f=20khz cap=22uf cap=10uf v dd =5v v rr =-20dbv cap=22uf cap=10uf v dd =2.7v v rr =-20dbv
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 7/18 www.mosanalog.com i 2 c bus description start and stop conditions a start condition is activated when the scl is set to high and sda shifts from high to low state. the stop condition is activated when scl is set to high and sda shifts from low to high state. please refer to the timing diagram below. sda scl start stop scl : serial clock line, sda : serial data line data validity a data on the sda line is considered valid and stab le only when the scl signal is in high state. the h igh and low states of the sda line can only change when the scl signal is low. please refer to the figure belo w. sda scl data line stable, data valid data change allowed byte format every byte transmitted to the sda line consists of 8 bits. each byte must be followed by an acknowledg e bit. the msb is transmitted first. acknowledge during the acknowledge clock pulse, the master (up) put a resistive high level on the sda line. the pe ripheral (audio processor) that acknowledges has to pull-dow n (low) the sda line during the acknowledge clock p ulse so that the sda line is in a stable low state during this c lock pulse. please refer to the diagram below. scl sda msb acknowledge 1 2 3 7 8 9 start the audio processor that has been addressed has to generate an acknowledge after receiving each byte, otherwise, the sda line will remain at the high level during t he ninth (9 th ) clock pulse. in this case, the master transmitter can generate the stop information in order to abort the transfer.
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 8/18 www.mosanalog.com timing of sda and scl bus lines t f s t low t hd;sta t r t hd;dat t su;dat t f t high t hd;sta t su;sta s r s p t sp t su;sto t r t buf sda scl standard mode symbol parameter min max unit f scl scl clock frequency 0 100 khz t hd:sta hold time (repeated) start condition. after this period, the first clock pulse is generat ed 4.0 - us t low low period of the scl clock 4.7 - us t high high period of the scl clock 4.0 - us t su:sta set-up time for a repeated start condition 4.7 - us t hd:dat data hold time: for i 2 c-bus devices 0 3.45 us t su:dat data-set-up time 250 - ns t r rise time of both sda and scl signals - 1000 ns t f fall time of both sda and scl signals - 300 ns t su:sto set-up time for stop condition 4.0 - us t buf bus free time between a stop and start condition 4. 7 - us c b capacitive load for each bus line - 400 pf v nl noise margin at the low level for each connected device (including hysteresis) 0.1v dd - v v nh noise margin at the high level for each connected d evice (including hysteresis) 0.2v dd - v bus interface data are transmitted to and from the mcu to the ms6 713 via the sda and scl. the sda and scl make up th e bus interface. it should be noted that pull-up resi stors must be connected to the positive supply volt age. sda (serial data line) rp rp scl (serial clock line) pull up resistors v dd mcu MS6713
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 9/18 www.mosanalog.com interface protocol the format consists of the following ? a start condition ? a chip address byte including the MS6713 address. ( 7bits) ? the 8 th bit of the byte must be 0.(write=0, read=1) ? MS6713 must always acknowledge the end of each tran smitted byte. ? a data sequence (n-bytes + acknowledge) ? a stop condition scl sda 1-7 8 9 1-7 8 9 9 8 1-7 s p address r / w -- ack ack ack data data start condition stop condition address code the chip address of the MS6713 is 88h. 1 0 0 0 0 0 1 0 7 bits address MS6713 address w data bytes description the default states of the chip as the power is on a re: the volume is -78.75db, the stereo 4 is selecte d, all the speakers are mute and the gains of the input stage, the bass and the treble are 0db. the stereo 4 is connected inte rnally, but not available on pins. msb lsb function 0 0 b2 b1 b0 a2 a1 a0 volume control 1 1 0 b1 b0 a2 a1 a0 speaker att lr 1 1 1 b1 b0 a2 a1 a0 speaker att rr 1 0 0 b1 b0 a2 a1 a0 speaker att lf 1 0 1 b1 b0 a2 a1 a0 speaker att rf 0 1 0 g1 g0 s2 s1 s0 audio switch 0 1 1 0 c3 c2 c1 c0 bass control 0 1 1 1 c3 c2 c1 c0 treble control where ax = 1.25db/step; bx = 10db/step; cx = 2db/st ep; gx = 3.75db/step
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 10/18 www.mosanalog.com volume msb lsb function 0 0 b2 b1 b0 a2 a1 a0 volume 1.25 db steps 0 0 0 0 0 0 1 -1.25 0 1 0 -2.5 0 1 1 -3.75 1 0 0 -5 1 0 1 -6.25 1 1 0 -7.5 1 1 1 -8.75 0 0 b2 b1 b0 a2 a1 a0 volume 10db steps 0 0 0 0 0 0 1 -10 0 1 0 -20 0 1 1 -30 1 0 0 -40 1 0 1 -50 1 1 0 -60 1 1 1 -70 the default volume is C78.75db. speaker attenuator msb lsb function db 1 0 0 b1 b0 a2 a1 a0 speaker lf 1 0 1 b1 b0 a2 a1 a0 speaker rf 1 1 0 b1 b0 a2 a1 a0 speaker lr 1 1 1 b1 b0 a2 a1 a0 speaker rr 0 0 0 0 0 0 1 -1.25 0 1 0 -2.5 0 1 1 -3.75 1 0 0 -5 1 0 1 -6.25 1 1 0 -7.5 1 1 1 -8.75 0 0 0 0 1 -10 1 0 -20 1 1 -30 1 1 1 1 1 mute lf: left front, rf: right front, lr: left rear, rr: right rear the default state is mute.
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 11/18 www.mosanalog.com audio switch msb lsb function 0 1 0 g1 g0 s2 s1 s0 audio switch 0 0 stereo 1 0 1 stereo 2 1 0 stereo 3 1 1 *stereo 4 0 loudness on 1 loudness off 0 0 +11.25db 0 1 +7.5db 1 0 +3.75db 1 1 0db * the stereo 4 is connected internally, but not ava ilable on pins. the default state is stereo 4, loudness off and gai n 0db. bass and treble msb lsb function db 0 1 1 0 c3 c2 c1 c0 bass 0 1 1 1 c3 c2 c1 c0 treble 0 0 0 0 -14 0 0 0 1 -12 0 0 1 0 -10 0 0 1 1 -8 0 1 0 0 -6 0 1 0 1 -4 0 1 1 0 -2 0 1 1 1 0 1 0 0 0 0 1 0 0 1 2 1 0 1 0 4 1 0 1 1 6 1 1 0 0 8 1 1 0 1 10 1 1 1 0 12 1 1 1 1 14 the default state is bass 0db and treble 0db.
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 12/18 www.mosanalog.com examples set volume at C37.5db. msb ack start 0 0 0 1 1 0 1 1 MS6713 address lsb stop ack -30db -7.5db data byte set speaker rf at C30db. msb ack start 1 0 1 1 0 0 1 0 MS6713 address lsb stop ack -30db 0db speaker rf data byte set speaker rr in mute-on. msb ack start 1 1 1 1 1 1 1 1 MS6713 address lsb stop ack speaker rr mute data byte set stereo 2 input with gain of +7.5 db and loudnes s on. msb ack start 0 1 0 0 0 1 1 0 MS6713 address lsb stop ack +7.5db stereo 2 loudness on data byte set treble at -10db. msb ack start 0 1 1 1 1 0 0 0 MS6713 address lsb stop ack treble -10db data byte
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 13/18 www.mosanalog.com application information basic application example mcu MS6713 rin2 rin1 lin1 lin2 lin3 rin3 ref sda avdd agnd loud_r rout rin treb_r bout_r bin_r loud_l lout lin treb_l bout_l bin_l out_lf out_lr out_rf out_rr 1 2 3 7 9 6 13 14 15 10 11 25 26 27 22 23 24 28 scl dgnd 17 16 12 2.2u 2.2u 2.2u 2.2u 2.2u 2.2u 2.2u 2.2u avdd 22u 8 100n 21 100n 20 100n 5.6k 5 2.7n 19 100n 18 5.6k 100n 100n 4 2.7n 10u 10u 10u 10u input output
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 14/18 www.mosanalog.com external dimensions sop28 (300mil) h h x45 c detail a 0.25mm detail a l ? e a1 e b a d dimension in mm dimension in inch symbol min max min max a 2.35 2.65 0.0926 0.1043 a1 0.10 0.30 0.0040 0.0118 b 0.33 0.51 0.013 0.020 c 0.23 0.32 0.0091 0.0125 e 1.27 basic 0.050 basic e 7.40 7.60 0.2914 0.2992 h 10.00 10.65 0.394 0.419 l 0.40 1.27 0.016 0.050 d 17.70 18.10 0.6969 0.7125 h 0.25 0.75 0.010 0.029 0 o 8 o 0 o 8 o
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 15/18 www.mosanalog.com ssop28 a a2 a1 e1 e l1 detail a l ? 2 ? 1 r1 r ? detail a h x45 c d zd e b dimension in mm dimension in inch symbol min nom max min nom max a 1.35 1.63 1.75 0.053 0.064 0.069 a1 0.10 0.15 0.25 0.004 0.006 0.010 a2 - - 1.50 - - 0.059 b 0.20 - 0.30 0.008 - 0.012 c 0.18 - 0.25 0.007 - 0.010 e 0.635 basic 0.025 basic d 8.56 9.91 8.74 0.337 0.390 0.344 e 5.79 5.99 6.20 0.228 0.236 0.244 e1 3.81 3.91 3.99 0.150 0.154 0.157 l 0.41 0.635 1.27 0.016 0.025 0.050 h 0.25 - 0.50 0.010 - 0.020 zd 0.838ref 0.033ref r1 0.20 - 0.33 0.008 - 0.013 r 0.20 - - 0.008 - - 0 o - 8 o 0 o - 8 o 1 0 o - -0 o - - 2 5 o 10 o 15 o 5 o 10 o 15 o
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 16/18 www.mosanalog.com demo board the demo board used ir technique controller to cont rol the MS6713. the default states of demo board ar e stereo 4, input gain 0db, volume C20db, attenuator speakers 0 db, loudness off, bass 0db and treble 0db. the ster eo 4 is connected internally, but not available on pins. label 1: supply voltage the avdd and dvdd should be the same supply voltage , the supply range is 2.7~6.5 vdc. label 2: led indicator the leds indicate stereo input channel , ir receive d status and power status. it is red-dark blink onc e when the mcu has received the function code correctly. label 3: output section there are four output channels in the section that divide into front output and rear output. please co nnected to a post- power-amplifier, as active speaker. label 4: input section there are three stereo inputs in the section. pleas e input stereo audio signal, as music or sine wave. label 5: mcu reset the MS6713 will be loaded the default values by mcu . the default states are stereo 4, input gain 0db, volume C20db, attenuator speakers 0db, loudness off, bass 0db and treble 0db. the stereo 4 is connected internally, but not available on pins. 1 2 3 1 4 5
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 17/18 www.mosanalog.com ir controller in1, in2, in3 : select stereo input. in1, 2, 3 represents stereo input 1, 2, 3. the acti ve input will be indicated by the leds. vol+, vol- : the volume control keys. the volume control in 1.5db/step as the switch is p ressed once, the range is C79db to 0db. lf-speaker , rf-speaker, lr-speaker, and rr-speaker are synchronic action. gain+, gain- : the gain control keys for stereo input. the gain control in 3.75db/step as the switch is pr essed once, the range is 0db to 11.25db. lf+, lf- : the attenuation control keys for left-front speaker . the attenuation in 1.25db/step as the switch is pre ssed once, the range is -37.5db to 0db. rf+, rf- : the attenuation control keys for right-front speake r. the attenuation in 1.25db/step as the switch is pre ssed once, the range is -37.5db to 0db. lr+, lr- : the attenuation control keys for left-rear speaker. the attenuation in 1.25db/step as the switch is pre ssed once, the range is -37.5db to 0db. rr+, rr- : the attenuation control keys for right-rear speaker . the attenuation in 1.25db/step as the switch is pre ssed once, the range is -37.5db to 0db. tre+, tre- : the treble control keys. the treble control in 2db/step as the switch is pre ssed once, the range is C14db to 14db. bas+, bas- : the bass control keys. the bass control in 2db/step as the switch is press ed once, the range is -14db to 14db. loud : the loudness key press the key once to set loudness on or loudness o ff. mute : the mute key controls all output speaker outputs press the key once to set mute-on or mute-off for f our speaker outputs.
mo sa MS6713 3 stereo inputs / 4-channel outputs audio processor rev 3 18/18 www.mosanalog.com circuit y1 12m rst 1 p3.0 2 p3.1 3 xtal2 4 xtal1 5 p3.2 6 p3.3 7 p3.4 8 p3.5 9 gnd 10 vcc 20 p1.7 19 p1.6 18 p1.5 17 p1.4 16 p1.3 15 p1.2 14 p1.1 13 p1.0 12 p3.7 11 u1 at89c2051 1 2 j1 dvcc r3 10k s1 rst ir_in + c2 10u + c4 20p + c5 20p dvcc vs 3 ir 1 gnd 2 j2 ir r2 10k + c3 470p + c1 47u ir_in r1 220 sda scl ref 1 vdd 2 agnd 3 treb_l 4 treb_r 5 rin 6 rout 7 loud_r 8 rin3 9 rin2 10 rin1 11 loud_l 12 lin3 13 lin2 14 lin1 15 lin 16 lout 17 bin_l 18 bout_l 19 bin_r 20 bout_r 21 rrout 22 lrout 23 rfout 24 lfout 25 dgnd 26 sda 27 scl 28 u2 MS6713 1 2 j3 avdd + c9 10u + c11 10u + c13 10u + c14 10u + c16 10u + c21 10u + c23 22u + c15 2.2u + c6 10u + c7 10u + c10 10u + c12 10u + c22 2.2u r10 5.6k r11 5.6k + c20 0.1u + c19 0.1u + c18 0.1u + c17 0.1u + c27 0.1u + c26 0.1u + c25 2.7n + c24 2.7n + c8 0.1u sda scl avdd w1 jumper j7 front_out j8 rear_out j4 in3 j5 in2 j6 in1 1 2 3 4 5 6 7 j9 input 1 2 3 4 5 j10 out d1 in1 d2 in2 d3 in3 r12 1k r13 1k r14 1k 1 2 3 j11 lcd rx tx rx tx

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