MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume 6ch Electric Volume with 6 Input Selector APPLICATION AV amp, Mini Compo etc. FEATURE • 6 Input Selector (6ch+MUTE) • Input Gain Control (0/3/6/9dB) • INPUT ATT (0/-5dB) • 6ch Dependent Electronic Volume (6ch 0~-87dB,-∞) FL,FR,C,SL,SR,SWch • 2 Lines REC Output (for one thing built in mute switch) • Built in Bass Boost circuit (FL,FRch) • 9V single power source OUTLINE 80P6N 0.8mm pitch QFP (20.0X14.0X2.8mm) RECOMMENDED OPERATING CONDITION Analog Supply Voltage Range AVcc=8.0V~10.0V Digital Supply Voltage Range DVdd=3.0V~5.5V SYSTEM BLOCK DIAGRAM 0/3/6/9dB GAIN + 0/-6dB-6/0/2dB + + ATT ref 0/-6dB ++ ATT -6/0/2dB ref ATT 0/-5dB -1 REC OUT + - - BASS VR Buf BOOST FL BASS Buf BOOST FR - 0/3/6/9dB GAIN DAC REC OUT DSP - + ADC MIC IN SL ref GAIN 0/6dB ref GAIN 0/6dB ref GAIN 0/6dB - SR -1 + C ATT 0/-5dB MCU I/F ref GAIN 0/6dB SW PORT PORT PORT PORT PORT PORT LATCH DATA CLOCK 1 2 3 4 5 6 MITSUBISHI ELECTRIC (1 /13) MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume BLOCK DIAGRAM AND PIN ASSIN NC 65 LIN1 66 LIN2 67 LIN3 68 LIN4 69 REF -6/0/2dB REFOUTEX2 REFOUTEX1 58 REFIN 57 REFOUT 56 IVSS 55 IVDD 54 AGND 53 FROUT 52 FRBB2 51 FRBB1 50 FRVOLIN 49 FRBUF 48 FRREF 47 BBREFOUT 46 FLOUT 45 FLBB2 44 FLBB1 43 FLVOLIN 42 FLBUF 41 7 -1 RRECOUT2 59 + - (Input ATT) ATT 0/-5dB 60 6 -1 + (Input ATT) 0/-5dB RRECOUT1 61 ATT 0/3/6/9dB LRECOUT2 62 (Input Gain) 0/3/6/9dB LRECOUT1 63 (Input Gain) 64 5 ADL+OUT ADL-OUT + 4 ADR-OUT INPUT SELECTOR + - 3 ADR+OUT 60k 60k 60k 60k 60k 60k INPUT SELECTOR 2 RRECIN 1 LRECIN LIN5 70 LIN6 71 NC 72 AVCC 73 RIN1 74 RIN2 75 RIN3 76 RIN4 77 RIN5 78 RIN6 79 NC 80 60k 60k 60k 60k 60k 60k MICIN FLREF -6/0dB ATT 8 FRIN + - (FL,FRATT) FLIN 9 SRIN 10 CLOCK 16 LATCH 17 PORT1 18 PORT2 19 PORT3 20 PORT4 21 C (C,SL,SR,SWGain) 60k SW Bass Boost FR MCU I/F Bass Boost FL SW C SL SR 0/6dB 0/6dB 0/6dB 0/6dB 24 DVDD 60k 23 PORT6 SL 22 PORT5 SR 15 DATA 14 DGND 60k 13 SWIN 60k 12 CIN ATT 11 SLIN -6/0/2dB 40 SROUT 39 SRVOLIN 38 SRBUF 37 SRREF 36 SLOUT 9 35 SLVOLIN 34 SLBUF 33 SLREF 32 COUT 31 CVOLIN 30 CBUF 29 CREF 28 SWOUT 27 SWVOLIN 26 SWBUF 25 SWREF MITSUBISHI ELECTRIC (2 /13) MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume ELECTRIC CHARACTERISTICS (Unless otherwise noted, Ta=25ºC,Vcc=9.0V,Vdd=5.0V,f=1KHz,BassBoost:off) (1)ABSOLUTE MAXIMUM RATINGS Symbol Vcc VDD Pd Parameter Condition Limits 10.5 6.5 1.4 Supply voltage Power dissipation Operating temperature Storage temperature Topr Tstg Unit V V W -20 to +75 ºC -40 to +125 ºC Power Dissipation Pd (W) 2.0 1.5 1.4 1.0 0.7 0.5 0 0 25 50 75 100 125 150 Ambient Temperature Ta ( º C ) (2)RECOMMENDED OPERATING CONDITION Symbol Vcc VDD VIL VIH Item Min 8.0 3.0 Range typ 9.0 5.0 Max 10.0 5.5 Pin15,16,17 0.0 – 0.8 V Pin15,16,17 2.0 – VDD V Condition Supply voltage Logic”L”Level Input Voltage Logic”H”Level Input Voltage Unit V V (3)ELECTRIC CHARACTERISTICS Symbol Item Analog supply current AICC Digital supply current Dldd Condition Vcc=9.0V Measurement terminal=pin73 No input signal Vcc=5.0V Measurement terminal=pin23 No input signal MITSUBISHI ELECTRIC Min Range typ Max – 25 40 mA – 0.8 1.5 mA Unit (3 /13) MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume (Unless otherwise noted, Ta=25ºC,Vcc=9.0V,Vdd=5.0V,f=1KHz,BassBoost:off) (4)I/O CHARACTERISTICS Symbol Input resistance Maximum input voltage FL,FROUT maximum Output Voltage Item Rin Vin Vom RECOUT maximum Output Voltage Vomrec C,SL,SR,SWVOLOUT maximum output voltage Vomvol FL,FROUToffset voltage Vodc RECOUT offset voltage Vrecdc C,SL,SR,SWVOLOUT offset voltage Vvoldc Through gain Gv Maximum attenuate value ATT ADOUT Output noise voltage RECOUT Output noise voltage FL,FROUT Output noise voltage C,SL,SR,SWVOLOUT Vadno Vrecno Vono1 Output noise voltage Vvolno1 FL,FROUT Output noise voltage Vono2 C,SL,SR,SWVOLOUT Output noise voltage Vvolno2 FL,FROUT Total harmonic distortion THD RECOUT Total harmonic distortion THDrec C,SL,SR,SWVOLOUT Total harmonic distortion THDvol CT Channel crosstalk CTrec Condition 66pin,74pin 66pin,74pin Pin8,9 input,pin46,53 output Gain=2dB RL=10KΩ,THD=1% Pin2,3 input,pin62,64 output RL=10KΩ,THD=1% Pin10,11 input pin46,53 output Gain=6dB RL=10KΩ,THD=1% 46pin,53pin no input signal 62pin,64pin no input signal 40pin,36pin no input signal Vin=1Vrms,FLAT ATT=-6dB,Gain=2dB Gain of(66,74pin)-(46,53pin) Vo=1Vrms,40,36pin JIS-A JIS-A,no input signal Rg=10KΩ 5,7pin,ATT=0dB,Gain=0dB JIS-A,no input signal Rg=10KΩ,61,63pin JIS-A 62,64pin No input signal Rg=10KΩ ATT=0dB,Gain=0d 40,36pin B,Vol=0dB JIS-A 46,53pin No input signal Rg=10KΩ ATT=0dB,Gain=0d 40,36pin B,Vol=–∞dB 46pin,53pin BW=400~30KHz Vo=300mVrms,RL=10KΩ 62pin,64pin BW=400~30KHz Vo=300mVrms,RL=30KΩ 40pin,36pin BW=400~30KHz Vo=300mVrms,RL=51KΩ Vo=0.5Vrms,RL=10KΩ JIS-A 46pin-53pin,Rg=10KΩ Vo=0.5Vrms,RL=30KΩ JIS-A 62pin-64pin,Rg=10KΩ – Range typ 60 2.2 Max 90 2.4 KΩ Vrms – #1.4 #1.5 Vrms Min 30 Unit – 2.2 2.4 Vrms – 2.2 2.4 Vrms 4.0 4.5 5.0 V 4.0 4.5 5.0 V 4.0 4.5 5.0 V – -4.0 – dB -87 -92 – dB – 4.0 12.0 µVrms – 6.0 15.0 µVrms – 7.0 15.0 µVrms – 6.0 12.0 µVrms – 5.0 10.0 µVrms – 4.0 8.0 µVrms – 0.01 0.05 % – 0.01 0.05 % – 0.01 0.05 % – -70 -55 dB – -70 -55 dB #When bass boost “ON” , Output level is as high as other output level at Bass Boost resonance frequency. MITSUBISHI ELECTRIC (4 /13) MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume DATA INPUT FORMAT DATA D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 SCK REQ (Please set all data of nine input formats when every power supply is applied.) D0 D1 D2 D3 A 0 0 0 0 B 0 0 0 1 D4 D5 D6 (1) Input Selector (16) (7) (8) D7 D8 (2) Input Gain (9) (10) D9 D10 (3) (4) InputATT FL,FR,ATT D11 D12 (5) FL,FRGain (13) (14) D13 (6) D14 D15 SL,SR,C , SWGain (11) (12) ALL MIC REC2 Bass PORT1 PORT2 PORT3 PORT4 PORT5 (15) PORT6 MUTE MUTE MUTE Boost CONT CONT CONT CONT CONT CONT (17) Lch Volume C 1 0 0 0 D 1 0 0 1 E 1 0 1 0 F 1 0 1 1 G 1 1 0 0 (17) SRch Volume H 1 1 0 1 (17) SWch Volume (17) Rch Volume (17) Cch Volume (17) SLch Volume <Initial condition when power supply is applied> • Input selector:MUTE • OUTPUTPORT1:PORT1OFF • Input Gain:0dB • OUTPUTPORT2:PORT2OFF • Input ATT:0dB • OUTPUTPORT3:PORT3OFF • FL,FR ATT:-6dB • OUTPUTPORT4:PORT4OFF • FL,FR Gain:2dB • OUTPUTPORT5:PORT5OFF • SL,SR,C,SW Gain:0dB • OUTPUTPORT6:PORT6OFF • MIC MUTE:MUTE • ALL MUTE:NO MUTE • REC2 MUTE:THRU • Bass Boost:NO BOOST Chip Adress 1 1 • LchVOL:-∞dB • RchVOL:-∞dB • CchVOL:-∞dB • SLchVOL:-∞dB • SRchVOL:-∞dB • SWchVOL:-∞dB #No guarantee except for these code. MITSUBISHI ELECTRIC (5 /13) MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume (1)Input selector setting code INPUT SEL. 1 2 3 4 5 6 MUTE D4A 0 0 0 0 1 1 1 D5A 0 0 1 1 0 0 1 (8)REC2 MUTE setting code D6A 0 1 0 1 0 1 1 (2)Input gain setting code INPUT Gain ±0dB 3dB 6dB 9dB D7A 0 0 1 1 D8A 0 1 0 1 (3)Input ATT setting code(#) INPUT ATT ±0dB -5dB D9A 0 1 (#)There is a restriction combination of input ATT and input gain.(refer to below table) INPUT ATT ±0dB -5dB Input Gain possible to set 0/3/6/9dB 0/6dB (4)FL,FR ATT setting code FL,FR ATT 0dB -6dB D10A 0 1 D11A 0 0 1 D12A 0 1 0 (6)SL,SR,C,SW Gain setting code Gain AMP 0dB 6dB D13A 0 1 (7)Microphone mute setting code MIC THRU MUTE D5B 0 1 D6B 0 1 (9)Bass Boost setting code Bass Boost No Boost Boost ON D7B 0 1 (10)OUTPUTPORT1 setting code PORT1 PORT1OFF PORT1ON D8B 0 1 (11)OUTPUTPORT2 setting code PORT2 PORT2OFF PORT2ON D9B 0 1 (12)OUTPUTPORT3 setting code PORT3 PORT3OFF PORT3ON D10B 0 1 (13)OUTPUTPORT4 setting code PORT4 PORT4OFF PORT4ON D11B 0 1 (14)OUTPUTPORT5 setting code (5)FL,FR Gain setting code Gain AMP -6dB ±0dB 2dB REC2 THRU MUTE PORT5 PORT5OFF PORT5ON D12B 0 1 (15)OUTPUTPORT6 setting code PORT6 PORT6OFF PORT6ON D13B 0 1 (16)ALL MUTE setting code DPL NO MUTE ALL MUTE D4B 0 1 ALL MUTE setting: Volume=-∞ Input SELECTOR=MUTE MITSUBISHI ELECTRIC (6 /13) MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume (17)Volume setting code (FLch,FRch,Cch,SLch,SRch,SWch) ATT ±0dB -1.0dB -2.0dB -3.0dB -4.0dB -5.0dB -6.0dB -7.0dB -8.0dB -9.0dB -10.0dB -11.0dB -12.0dB -13.0dB -14.0dB -15.0dB -16.0dB -17.0dB -18.0dB -19.0dB -20.0dB -21.0dB -22.0dB -23.0dB -24.0dB -25.0dB -26.0dB -27.0dB -28.0dB -29.0dB -30.0dB -31.0dB -32.0dB -33.0dB -34.0dB -35.0dB -36.0dB -37.0dB -38.0dB -39.0dB -40.0dB -41.0dB -42.0dB -43.0dB -44.0dB D7C~H D8C~H D9C~H D10C~ H D11C~ H D12C~ H D13C~ H 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ATT -45.0dB -46.0dB -47.0dB -48.0dB -49.0dB -50.0dB -51.0dB -52.0dB -53.0dB -54.0dB -55.0dB -56.0dB -57.0dB -58.0dB -59.0dB -60.0dB -61.0dB -62.0dB -63.0dB -64.0dB -65.0dB -66.0dB -67.0dB -68.0dB -69.0dB -70.0dB -71.0dB -72.0dB -73.0dB -74.0dB -75.0dB -76.0dB -77.0dB -78.0dB -79.0dB -80.0dB -81.0dB -82.0dB -83.0dB -84.0dB -85.0dB -86.0dB -87.0dB -∞dB D7C~H D8C~H D9C~H D10C~ H D11C~ H D12C~ H D13C~ H 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 #No guarantee except for these code. MITSUBISHI ELECTRIC (7 /13) MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume CLOCK,DATA,LATCH TIMING t1,t2 V DD=5V 2.2V DAT 0.8V t6 t7 t1 t4 t2 2.2V SCK 0.8V t5 t10 t3 t9 t8 2.2V REQ 0.8V t1 Symbol ITEM t2 Min Typ Max Unit t1 Rise time of signal - - 0.3 µS t2 Fall time of signal - - 0.3 µS t3 SCK width of CLOCK 1 - - µS t4 SCK Pulse width of “H” 0.4 - - µS t5 SCK Pulse width of “L” 0.4 - - µS t6 Set up time of DATA 0.4 - - µS t7 Hold time of DATA 0.4 - - µS t8 Set up time of REQ 0.8 - - µS t9 Pulse width of REQ “H” 0.4 - - µS t10 Set up time of SCK 0.4 - - µS MITSUBISHI ELECTRIC (8 /13) MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume FUNCTION DESCRIPTION (1)INPUT SELECTOR,INPUT GAIN,INPUT ATT This IC is build in selector with 2ch 6input+mute. The Input selector is able to control source signal level at 0dB or -5dB by Input ATT Switch. And , for low level source signal it is able to change the gain by Input Gain Switch. But There is a restriction on combination of ATT level and Gain.(Refer to below table) <Input ATT and Input Gain possible to combine> INPUT ATT setting INPUT Gain possible to set 60k 1 0dB 0dB/3dB/6dB/9dB -5dB 0dB/6dB 60k 2 60k 3 INPUT ATT SW (0dB/-5dB) 60k 4 60k + + 5 60k Positive output of selector - 6 - INPUT Gain SW (0/3/6/9dB) + Negative output of selector (2)REC Block REC signal output after mixing to microphone signal. The signal level mixed on is 0dB. And REC OUT2 build in REC MUTE Switch. From MIC REC OUT1 REC INPUT - REC OUT2 + MUTE SW MITSUBISHI ELECTRIC (9 /13) MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume (3)Microphone mixing The microphone signal is mixed on L-ch or R-ch after pass through the buffer for decrease in crosstalk between L-ch and R-ch. The signal level mixed on is 0dB. And , This IC build in microphone mute switch for the purpose of improving noise characteristics. to REC OUT MIC IN MUTE SW + - + Lch/Rch OUT -6/0/2dB Main Signal FL,FR ATT 0/-6dB (4)Master Volume (FLch,FRch,Cch,SLch,SRch,SWch) This IC build in 6ch independent electric volume with low distortion and low noise. The volume is able to set steps by 1dB from 0dB to -87dB. VOL IN + FLch FRch - to BASS BOOST Volume:0dB~-87dB:1dB Step , -∞ VOL IN + SLch SRch Cch SWch - VOL OUT 0/6dB Volume:0dB~-87dB:1dB Step , -∞ MITSUBISHI ELECTRIC (10 / 13) MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume (5)Equivalent circuit of Bass Boost INPUT OUTPUT + - SEL Q=4(G=10dB) Go 200 0dB The circuit for decrease in switching noise fo RL=70KΩ OVER(Notice) The circuit figure of positive feedback two order high pass filter circuit on bass boost part. R1 C1 VIN The amplitude characteristics of two order high pass filter circuit (Reference) Q G0 C2 0~1dB 6dB 10dB 13dB 20dB 1 2 4 5 10 VOUT +K R2 The transmission function is VOUT VIN ωo2 Ks2 = s2 + s 1 R2C1 + 1 R2C2 +(1-K) 1 R1C1 + 1 R1R2C1C2 1 = R1R2C1C2 1 Q= R1C1 R2C2 + R1C2 R2C1 +(1-K) R2C2 R1C1 The bass boost part is consist of two order high pass filter circuit. We show an example how to calculate design value of bass boost part. We let C1=C2 are Cf and K is +1. Above equation is shown below. Rf=1/(0Cf) • • • (1) R1=Rf/2Q • • • (2) R2=2QRf • • • (3) We let ω is 2π×70Hz and Q is 10 in the case of the cutoff frequency is 70Hz and Q is 10. We let C1=C2=Cf are 0.1µF. From equation(1),(2),(3) Rf=23.5KΩ R1=1.18KΩ R2=470KΩ R1 become about 1.2KΩ,and R2 become about 470Ω (Notice)Please set the load resistance on “fl-out(pin46)” or “fr-out(pin53)” at RL=70KΩ over. MITSUBISHI ELECTRIC (11 / 13) MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume TOTAL GAIN Gain level diagram <INPUT SELECTOR> 0/3/6/9dB SELECTOR INPUT 0/-5dB ATT -1 AD OUT Input dynamic range 2.4Vrms(9V Vcc) Output dynamic range 2.4Vrms(9V Vcc) Total Gain (dB) INPUT Gain(dB) ATT (dB) 9 9 - 6 6 0 3 3 - 1 6 -5 0 0 0 -5 0 -5 <REC BLOCK> MIC INPUT MIC MIXING(0dB) TOTAL GAIN + REC INPUT REC OUT Input dynamic range 2.4Vrms(9V Vcc) 0dB(Mixed) Output dynamic range 2.4Vrms(9V Vcc) TOTAL GAIN <FL,FR BUF> MIC MIXING(0dB) 0/-6dB FL,FR IN ATT FL,FR BUF OUT + Output dynamic range 5Vp-p Input dynamic range 5Vp-p Total Gain (dB) ATT (dB) Gain (dB) 2 0 2 0 0 0 -4 -6 2 0 -6 -6 0 -6 -6 -6 -12 <C~SW BUF> C~SW IN TOTAL GAIN C~SW BUF OUT Input dynamic range 5Vp-p 0dB Output dynamic range 5Vp-p <FL,FR Vol> BB FL,FR BUF IN Input dynamic range 5Vp-p FL,FR OUT Output dynamic range 5Vp-p TOTAL GAIN 0dB(BBoff) <C~SW Vol> C~SW OUT C~SW BUF IN Input dynamic range 5Vp-p Output dynamic range 5Vp-p MITSUBISHI ELECTRIC TOTAL GAIN 0dB or 6dB (12 / 13) MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume APPLICATION EXAMPLE LIN3 LIN2 LIN1 69 68 67 66 (Input ATT) ATT 0/-5dB REF RRECOUT2 REFOUTEX2 + 60 5 -1 + (Input ATT) 0/-5dB RRECOUT1 61 ATT 0/3/6/9dB LRECOUT2 62 (Input Gain) 0/3/6/9dB LRECOUT1 63 (Input Gain) 64 + 4 ADR-OUT INPUT SELECTOR + - 3 ADR+OUT 60k 60k 60k 60k 60k 60k INPUT SELECTOR 2 RRECIN 1 LRECIN 65 LIN4 74 70 RIN1 75 LIN5 RIN2 76 71 RIN3 77 LIN6 RIN4 78 AnalogVCC 72 +9.0V RIN5 79 73 RIN6 80 60k 60k 60k 60k 60k 60k MICIN 47µ 0.01µ -6/0/2dB 59 + - 58 -1 7 ADL-OUT 6 ADL+OUT + 220µ + - SL Rch OUT 470k 50 + 49 48 47 BBREFOUT Lch OUT 46 0.1µ 45 FL 20 470k 44 21 SW C SL SR 0.1µ 43 22 PORT5 19 PORT4 Analog GND FRVOLREF Bass Boost 18 PORT3 + 10µ MCU I/F 17 PORT2 REFOUT 0.01µ 0.1µ FR 16 PORT1 + 0.1µ SW 15 MCU + 51 14 60k Bass Boost 52 13 60k C (C,SL,SR,SWGain) 53 60k 0.01µ 100µ 54 60k 12 SWIN Digital GND SR 11 CIN ATT 47µ 100µ 55 10 SLIN -6/0/2dB 56 9 SRIN 57 8 ATT (FL,FRATT) FLIN REFOUTEX1 + 0.01µ -6/0dB FRIN 47µ 10µ 0/6dB 0/6dB 42 0/6dB 23 PORT6 41 24 0/6dB + FLVOLREF Digital VDD 10µ SROUT + 40 39 SRVOL REF MITSUBISHI ELECTRIC 38 10µ SLOUT SLVOL REF + 37 36 9 35 34 33 10µ COUT CVOL REF SWOUT + 32 31 30 29 10µ 28 27 26 25 SWVOL REF + (13 / 13)