M61512FP MITSUBISHI | Alldatasheet
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MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / ) 6ch Electric Volume with 6 Input Selector AV amp, Mini Compo etc. APPLICATION SYSTEM BLOCK DIAGRAM 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 1 13 RECOMMENDED OPERATING CONDITION Analog Supply Voltage Range AVcc=8.0V~10.0V Digital Supply Voltage Range DVdd=3.0V~5.5V OUTLINE 80P6N 0.8mm pitch QFP (20.0X14.0X2.8mm) ADC DSP DAC - + 0/3/6/9dB GAIN ATT 0/-5dB 0/-5dB ATT 0/3/6/9dB GAIN 0/-6dB ATT 0/-6dB ATT -6/0/2dB -6/0/2dB BASS BOOSTVR Buf Buf GAIN 0/6dB GAIN 0/6dB GAIN 0/6dB GAIN 0/6dB MCU I/F REC OUT REC OUT MIC IN CLOCK DATA LATCH PORT PORT PORT PORT PORT PORT FL SL SR C SW ref ref ref ref ref ref FR BASS BOOST
MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / ) BLOCK DIAGRAM AND PIN ASSIN NC RIN6 RIN5 RIN4 RIN3 RIN2 RIN1 AVCC NC LIN6 LIN5 LIN4 LIN3 LIN2 LIN1 NC SWREF SWBUF SWVOLIN SWOUT CREF CBUF CVOLIN COUT SLREF SLBUF SLVOLIN SLOUT SRREF SRBUF SRVOLIN SROUT MICIN LRECIN RRECIN ADR+OUT ADR-OUT ADL+OUT ADL-OUT FRIN FLIN SRIN SLIN CIN SWIN DGND DATA CLOCK LATCH PORT1 PORT2 PORT3 PORT4 PORT5 PORT6 DVDD LRECOUT1 LRECOUT2 RRECOUT1 RRECOUT2 REFOUTEX2 REFOUTEX1 REFIN REFOUT IVSS IVDD AGND FROUT FRBB2 FRBB1 FRVOLIN FRBUF FRREF BBREFOUT FLOUT FLBB2 FLBB1 FLVOLIN FLBUF FLREF 123456789101112131415161718192021222324 6463626160595857565554535251504948474645444241 43 - + 60k 60k 60k 60k 60k 60k 60k 60k 60k 60k 60k60k INPUT SELECTOR INPUT SELECTOR (Input Gain) (Input Gain) 0/3/6/9dB0/3/6/9dB (Input ATT) 0/-5dB (Input ATT) 0/-5dB ATT ATT-1 ATT ATT -6/0/2dB -6/0/2dB -6/0dB (FL,FRATT) 60k 60k 60k 60k SR SL C SW (C,SL,SR,SWGain) FR REF Bass Boost Bass Boost FL MCU I/F SW 0/6dB C 0/6dB SL 0/6dB SR 0/6dB 2 13
MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / ) ELECTRIC CHARACTERISTICS (Unless otherwise noted, Ta=25ºC,Vcc=9.0V,Vdd=5.0V,f=1KHz,BassBoost:off) (1)ABSOLUTE MAXIMUM RATINGS Symbol Parameter Condition Limits Unit Vcc 10.5 V VDD Supply voltage 6.5 V Pd Power dissipation 1.4 W Topr Operating temperature -20 to +75 ºC Tstg Storage temperature -40 to +125 ºC 2.0 1.5 1.0 0.5 1.4 0.7 0 25 50 75 100 125 150 Ambient Temperature Ta ( ºC) Power Dissipation Pd (W) (2)RECOMMENDED OPERATING CONDITION RangeSymbol Item Condition Min typ Max Unit Vcc 8.0 9.0 10.0 V VDD Supply voltage 3.0 5.0 5.5 V VIL Logic”L”Level Input Voltage Pin15,16,17 0.0 – 0.8 V VIH Logic”H”Level Input Voltage Pin15,16,17 2.0 – VDD V (3)ELECTRIC CHARACTERISTICS RangeSymbol Item Condition Min typ Max Unit Analog supply current AICC Vcc=9.0V Measurement terminal=pin73 No input signal – 25 40 mA Digital supply current Dldd Vcc=5.0V Measurement terminal=pin23 No input signal – 0.8 1.5 mA 3 13
MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / ) (4)I/O CHARACTERISTICS 4 13 RangeSymbol Item Condition Min typ Max Unit Input resistance Rin 66pin,74pin 30 60 90 KΩ Maximum input voltage Vin 66pin,74pin – 2.2 2.4 Vrms FL,FROUT maximum Output Voltage Vom Pin8,9 input,pin46,53 output Gain=2dB RL=10KΩ ,THD=1% – #1.4 #1.5 Vrms RECOUT maximum Output Voltage Vomrec Pin2,3 input,pin62,64 output RL=10KΩ ,THD=1% – 2.2 2.4 Vrms C,SL,SR,SWVOLOUT maximum output voltage Vomvol Pin10,11 input pin46,53 output Gain=6dB RL=10KΩ ,THD=1% – 2.2 2.4 Vrms FL,FROUToffset voltage Vodc 46pin,53pin no input signal 4.0 4.5 5.0 V RECOUT offset voltage Vrecdc 62pin,64pin no input signal 4.0 4.5 5.0 V C,SL,SR,SWVOLOUT offset voltage Vvoldc 40pin,36pin no input signal 4.0 4.5 5.0 V Through gain Gv Vin=1Vrms,FLAT ATT=-6dB,Gain=2dB Gain of(66,74pin)-(46,53pin) – -4.0 – dB Maximum attenuate value ATT Vo=1Vrms,40,36pin JIS-A -87 -92 – dB ADOUT Output noise voltage Vadno JIS-A,no input signal Rg=10KΩ 5,7pin,ATT=0dB,Gain=0dB – 4.0 12.0 µVrms RECOUT Output noise voltage Vrecno JIS-A,no input signal Rg=10KΩ ,61,63pin – 6.0 15.0 µVrms FL,FROUT Output noise voltage Vono1 62,64pin – 7.0 15.0 µVrms C,SL,SR,SWVOLOUT Output noise voltage Vvolno1 JIS-A No input signal Rg=10KΩ ATT=0dB,Gain=0d B,Vol=0dB 40,36pin – 6.0 12.0 µVrms FL,FROUT Output noise voltage Vono2 46,53pin – 5.0 10.0 µVrms C,SL,SR,SWVOLOUT Output noise voltage Vvolno2 JIS-A No input signal Rg=10KΩ ATT=0dB,Gain=0d B,Vol=–∞ dB 40,36pin – 4.0 8.0 µVrms FL,FROUT Total harmonic distortion THD 46pin,53pin BW=400~30KHz Vo=300mVrms,RL=10KΩ – 0.01 0.05 % RECOUT Total harmonic distortion THDrec 62pin,64pin BW=400~30KHz Vo=300mVrms,RL=30KΩ – 0.01 0.05 % C,SL,SR,SWVOLOUT Total harmonic distortion THDvol 40pin,36pin BW=400~30KHz Vo=300mVrms,RL=51KΩ – 0.01 0.05 % CT Vo=0.5Vrms,RL=10KΩ JIS-A 46pin-53pin,Rg=10KΩ – -70 -55 dB Channel crosstalk CTrec Vo=0.5Vrms,RL=30KΩ JIS-A 62pin-64pin,Rg=10KΩ – -70 -55 dB (Unless otherwise noted, Ta=25ºC,Vcc=9.0V,Vdd=5.0V,f=1KHz,BassBoost:off) #When bass boost “ON” , Output level is as high as other output level at Bass Boost resonance frequency.
MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / )5 13 DATA INPUT FORMAT DATA SCK REQ D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 (Please set all data of nine input formats when every power supply is applied.) D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 A 0 0 0 0 (1) Input Selector (2) Input Gain (3) InputATT (4) FL,FR,ATT (5) FL,FRGain (6) SL,SR,C SWGain B 0 0 0 1 (16) ALL MUTE (7) MIC MUTE (8) REC2 MUTE (9) Bass Boost (10) PORT1 CONT (11) PORT2 CONT (12) PORT3 CONT (13) PORT4 CONT (14) PORT5 CONT (15) PORT6 CONT C 1 0 0 0 (17) Lch Volume D 1 0 0 1 (17) Rch Volume E 1 0 1 0 (17) Cch Volume F 1 0 1 1 (17) SLch Volume G 1 1 0 0 (17) SRch Volume H 1 1 0 1 (17) SWch Volume Chip Adress 1 1 <Initial condition when power supply is applied>
- Input selector:MUTE
- Input Gain:0dB
- Input ATT:0dB
- FL,FR ATT:-6dB
- FL,FR Gain:2dB
- SL,SR,C,SW Gain:0dB
- MIC MUTE:MUTE
- REC2 MUTE:THRU
- Bass Boost:NO BOOST
- OUTPUTPORT1:PORT1OFF
- OUTPUTPORT2:PORT2OFF
- OUTPUTPORT3:PORT3OFF
- OUTPUTPORT4:PORT4OFF
- OUTPUTPORT5:PORT5OFF
- OUTPUTPORT6:PORT6OFF
- ALL MUTE:NO MUTE
- LchVOL:-∞ dB
- RchVOL:-∞ dB
- CchVOL:-∞ dB
- SLchVOL:-∞ dB
- SRchVOL:-∞ dB
- SWchVOL:-∞ dB #No guarantee except for these code.
MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / )6 13 (1)Input selector setting code INPUT SEL. D4A D5A D6A 1 0 0 0 2 0 0 1 3 0 1 0 4 0 1 1 5 1 0 0 6 1 0 1 MUTE 1 1 1 (2)Input gain setting code INPUT Gain D7A D8A ±0dB 0 0 3dB 0 1 6dB 1 0 9dB 1 1 (3)Input ATT setting code(#) INPUT ATT D9A ±0dB 0 -5dB 1 (#)There is a restriction combination of input ATT and input gain.(refer to below table) (4)FL,FR ATT setting code FL,FR ATT D10A 0dB 0 -6dB 1 (5)FL,FR Gain setting code Gain AMP D11A D12A -6dB 0 0 ±0dB 0 1 2dB 1 0 (6)SL,SR,C,SW Gain setting code Gain AMP D13A 0dB 0 6dB 1 (7)Microphone mute setting code MIC D5B THRU 0 MUTE 1 (9)Bass Boost setting code Bass Boost D7B No Boost 0 Boost ON 1 (10)OUTPUTPORT1 setting code PORT1 D8B PORT1OFF 0 PORT1ON 1 (11)OUTPUTPORT2 setting code PORT2 D9B PORT2OFF 0 PORT2ON 1 (12)OUTPUTPORT3 setting code PORT3 D10B PORT3OFF 0 PORT3ON 1 (13)OUTPUTPORT4 setting code PORT4 D11B PORT4OFF 0 PORT4ON 1 (14)OUTPUTPORT5 setting code PORT5 D12B PORT5OFF 0 PORT5ON 1 (15)OUTPUTPORT6 setting code PORT6 D13B PORT6OFF 0 PORT6ON 1 (16)ALL MUTE setting code DPL D4B NO MUTE 0 ALL MUTE 1 ALL MUTE setting: Volume=-∞ Input SELECTOR=MUTE (8)REC2 MUTE setting code REC2 D6B THRU 0 MUTE 1 INPUT ATT Input Gain possible to set ±0dB 0/3/6/9dB -5dB 0/6dB
MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / )7 13 (17)Volume setting code (FLch,FRch,Cch,SLch,SRch,SWch) ATT D7C~H D8C~H D9C~H D10C~ H D11C~ H D12C~ H D13C~ H ATT D7C~H D8C~H D9C~H D10C~ H D11C~ H D12C~ H D13C~ H ±0dB 0 0 0 0 0 0 0 -45.0dB 1 0 1 1 0 1 0 -1.0dB 1 0 0 0 0 0 0 -46.0dB 0 1 1 1 0 1 0 -2.0dB 0 1 0 0 0 0 0 -47.0dB 1 1 1 1 0 1 0 -3.0dB 1 1 0 0 0 0 0 -48.0dB 0 0 0 0 1 1 0 -4.0dB 0 0 1 0 0 0 0 -49.0dB 1 0 0 0 1 1 0 -5.0dB 1 0 1 0 0 0 0 -50.0dB 0 1 0 0 1 1 0 -6.0dB 0 1 1 0 0 0 0 -51.0dB 1 1 0 0 1 1 0 -7.0dB 1 1 1 0 0 0 0 -52.0dB 0 0 1 0 1 1 0 -8.0dB 0 0 0 1 0 0 0 -53.0dB 1 0 1 0 1 1 0 -9.0dB 1 0 0 1 0 0 0 -54.0dB 0 1 1 0 1 1 0 -10.0dB 0 1 0 1 0 0 0 -55.0dB 1 1 1 0 1 1 0 -11.0dB 1 1 0 1 0 0 0 -56.0dB 0 0 0 1 1 1 0 -12.0dB 0 0 1 1 0 0 0 -57.0dB 1 0 0 1 1 1 0 -13.0dB 1 0 1 1 0 0 0 -58.0dB 0 1 0 1 1 1 0 -14.0dB 0 1 1 1 0 0 0 -59.0dB 1 1 0 1 1 1 0 -15.0dB 1 1 1 1 0 0 0 -60.0dB 0 0 1 1 1 1 0 -16.0dB 0 0 0 0 1 0 0 -61.0dB 1 0 1 1 1 1 0 -17.0dB 1 0 0 0 1 0 0 -62.0dB 0 1 1 1 1 1 0 -18.0dB 0 1 0 0 1 0 0 -63.0dB 1 1 1 1 1 1 0 -19.0dB 1 1 0 0 1 0 0 -64.0dB 0 0 0 0 0 0 1 -20.0dB 0 0 1 0 1 0 0 -65.0dB 1 0 0 0 0 0 1 -21.0dB 1 0 1 0 1 0 0 -66.0dB 0 1 0 0 0 0 1 -22.0dB 0 1 1 0 1 0 0 -67.0dB 1 1 0 0 0 0 1 -23.0dB 1 1 1 0 1 0 0 -68.0dB 0 0 1 0 0 0 1 -24.0dB 0 0 0 1 1 0 0 -69.0dB 1 0 1 0 0 0 1 -25.0dB 1 0 0 1 1 0 0 -70.0dB 0 1 1 0 0 0 1 -26.0dB 0 1 0 1 1 0 0 -71.0dB 1 1 1 0 0 0 1 -27.0dB 1 1 0 1 1 0 0 -72.0dB 0 0 0 1 0 0 1 -28.0dB 0 0 1 1 1 0 0 -73.0dB 1 0 0 1 0 0 1 -29.0dB 1 0 1 1 1 0 0 -74.0dB 0 1 0 1 0 0 1 -30.0dB 0 1 1 1 1 0 0 -75.0dB 1 1 0 1 0 0 1 -31.0dB 1 1 1 1 1 0 0 -76.0dB 0 0 1 1 0 0 1 -32.0dB 0 0 0 0 0 1 0 -77.0dB 1 0 1 1 0 0 1 -33.0dB 1 0 0 0 0 1 0 -78.0dB 0 1 1 1 0 0 1 -34.0dB 0 1 0 0 0 1 0 -79.0dB 1 1 1 1 0 0 1 -35.0dB 1 1 0 0 0 1 0 -80.0dB 0 0 0 0 1 0 1 -36.0dB 0 0 1 0 0 1 0 -81.0dB 1 0 0 0 1 0 1 -37.0dB 1 0 1 0 0 1 0 -82.0dB 0 1 0 0 1 0 1 -38.0dB 0 1 1 0 0 1 0 -83.0dB 1 1 0 0 1 0 1 -39.0dB 1 1 1 0 0 1 0 -84.0dB 0 0 1 0 1 0 1 -40.0dB 0 0 0 1 0 1 0 -85.0dB 1 0 1 0 1 0 1 -41.0dB 1 0 0 1 0 1 0 -86.0dB 0 1 1 0 1 0 1 -42.0dB 0 1 0 1 0 1 0 -87.0dB 1 1 1 0 1 0 1 -43.0dB 1 1 0 1 0 1 0 -∞ dB 1 1 1 1 1 1 1 -44.0dB 0 0 1 1 0 1 0 #No guarantee except for these code.
MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / )8 13 CLOCK,DATA,LATCH TIMING DAT SCK REQ t1,t2 t6 t7 t1 t4 t2 t3 t8 t10 t1 t2 VDD=5V 2.2V 0.8V 2.2V 0.8V 2.2V 0.8V Symbol ITEM 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 SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / ) 9 13 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) (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. <Input ATT and Input Gain possible to combine> INPUT ATT setting INPUT Gain possible to set 0dB 0dB/3dB/6dB/9dB -5dB 0dB/6dB 60k 60k 60k 60k 60k 60k INPUT Gain SW (0/3/6/9dB) INPUT ATT SW (0dB/-5dB) Positive output of selector Negative output of selector From MIC REC INPUT - REC OUT1 REC OUT2 MUTE SW
MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / )10 13 (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. (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. MIC IN + ATT + Lch/Rch OUT Main Signal FL,FR -6/0/2dB 0/-6dB MUTE SW to REC OUT FLch FRch SLch SRch Cch SWch VOL IN to BASS BOOST Volume:0dB~-87dB:1dB Step , -∞ VOL IN VOL OUT Volume:0dB~-87dB:1dB Step , -∞ 0/6dB
MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / ) 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 11 13 (5)Equivalent circuit of Bass Boost INPUT The circuit for decrease in switching noise OUTPUT SEL 200 Go 0dB Q=4(G=10dB) fo The circuit figure of positive feedback two order high pass filter circuit on bass boost part. VIN VOUTC1 C2 The amplitude characteristics of two order high pass filter circuit (Reference) Q G0 0~1dB 6dB 10dB 13dB 20dB The transmission function is VOUT VIN = Ks2 s2 + s 1 R2C1 R2C2 R1C1+(1-K) 1 R1R2C1C2+ + R1R2C1C2ω o2 = Q= 1 R1C1 R2C2 R1C2 R2C1 R2C2 R1C1+(1-K)+ 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. R1=Rf/2Q • • • (2) R2=2QRf • • • (3) RL=70KΩ OVER(Notice) (Notice)Please set the load resistance on “fl-out(pin46)” or “fr-out(pin53)” at RL=70KΩ over.
MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / )12 13 Gain level diagram <INPUT SELECTOR> ATTSELECTOR INPUT 0/3/6/9dB 0/-5dB AD OUT Output dynamic range 2.4Vrms(9V Vcc) Input dynamic range 2.4Vrms(9V Vcc) TOTAL GAIN 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) REC OUT Output dynamic range 2.4Vrms(9V Vcc) Input dynamic range 2.4Vrms(9V Vcc) REC INPUT + TOTAL GAIN 0dB(Mixed) <FL,FR BUF> FL,FR IN MIC MIXING(0dB) FL,FR BUF OUT Output dynamic range 5Vp-pInput dynamic range 5Vp-p 0/-6dB +ATT TOTAL GAIN Total Gain (dB) ATT (dB) Gain (dB) 2 0 2 0 0 0 -4 -6 2 0 -6 -6 0 -12 -6 -6 <C~SW BUF> C~SW IN C~SW BUF OUT Output dynamic range 5Vp-p Input dynamic range 5Vp-p TOTAL GAIN 0dB <FL,FR Vol> FL,FR BUF IN FL,FR OUT Output dynamic range 5Vp-p Input dynamic range 5Vp-p BB TOTAL GAIN 0dB(BBoff) <C~SW Vol> C~SW BUF IN C~SW OUT Output dynamic range 5Vp-pInput dynamic range 5Vp-p TOTAL GAIN 0dB or 6dB
MITSUBISHI SOUND PROCESSORS M61512FP 5.1ch Electronic Volume MITSUBISHI ELECTRIC ( / )13 13 RIN6 RIN5 RIN4 RIN3 RIN2 RIN1 AnalogVCC +9.0V LIN6 LIN5 LIN4 LIN3 LIN2 LIN1 SWVOL REF SWOUT CVOL REF COUT SLVOL REF SLOUT SRVOL REF SROUT MICIN LRECIN RRECIN ADR+OUT ADR-OUT ADL+OUT ADL-OUT FRIN FLIN SRIN SLIN CIN SWIN Digital GND PORT1 PORT2 PORT3 PORT4 PORT5 PORT6 LRECOUT1 LRECOUT2 RRECOUT1 RRECOUT2 REFOUTEX1 REFOUT Analog GND BBREFOUT Lch OUT Digital VDD MCU 10µ 10µ 10µ 10µ REFOUTEX2 FLVOLREF 10µ FRVOLREF 10µ 0.1µ 0.1µ 470k 0.1µ 0.1µ 470k Rch OUT 100µ 100µ +47µ 0.01µ +47µ 0.01µ 0.01µ 220µ +47µ 0.01µ 123456789101112131415161718192021222324 6463626160595857565554535251504948474645444241 43 - + 60k 60k 60k 60k 60k 60k 60k 60k 60k 60k 60k60k INPUT SELECTOR INPUT SELECTOR (Input Gain) (Input Gain) 0/3/6/9dB0/3/6/9dB (Input ATT) 0/-5dB (Input ATT) 0/-5dB ATT ATT-1 ATT ATT -6/0/2dB -6/0/2dB -6/0dB (FL,FRATT) 60k 60k 60k 60k SR SL C SW (C,SL,SR,SWGain) FR REF Bass Boost Bass Boost FL MCU I/F SW 0/6dB C 0/6dB SL 0/6dB SR 0/6dB APPLICATION EXAMPLE