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Sound Processors for Home Theater Systems
5.1ch Sound Processor
BD3811K1,BD3818KS
No.10081EAT02
Description BD3811K1 and BD3818KS are 5.1ch sound processors, with built-in Mode Selector/Input Selector. Functions, including 6-ch Volume, Gain Amp, Bass, Treble, Mixing (BD3818KS), Dynamic Bass Boost (BD3818KS) and Bass Boost (BD3811K1) are integrated into a single chip. Features 1) Independent 6 channels for Master Volume (0 to -103dB, 1dB/Step, MUTE, BD3811K1) (0 to -95dB 1dB/Step, MUTE, BD3818KS) Implementation of a resistance ladder type circuit reduces residual noise and a shock sound at switching. 2) Low current consumption design achieved by adopting the BiCMOS process 3) Maximum output voltage (BD3818KS): 4.3Vrms (Vcc=7V, VEE=-7V, RL=10k) Maximum output voltage (BD3811K1): 4.2Vrms (Vcc=7V, VEE=-7V, RL=10k) 4) Built-in Input Gain Amp useful for adjusting the output signal voltages 5) Built-in Operational Amplifier useful for filter construction (BD3818KS) 6) Built-in Dynamic Bass Boost circuit (BD3818KS) 7) 2-wire serial control (BD3818KS for 5V, BD3811K1 for both 3.3V and 5V) 8) Built-in Output Gain Amp useful for adjusting the output signal voltages (BD3811K1) 9) REC output terminal with a REC input/output switch useful for monitoring Equalizer Amp (BD3811K1) 10) Output mute controlled by either serial data or an external control terminal Applications AV receivers, home theater systems and mini-audio systems. Line up matrix Parameter Input Selector Input Gain Volume Bass, Treble Output Gain Mixing Bass Boost Package 8 inputs 2Step 0 to -103dB 1dB/Step 14dB 2dB/Step 0, 6 to 18dB 2dB/Step No 0 to 12dB, 4dB/Step QFP80 BD3811K1 5 inputs 4 Step or 2 Step 0 to -95dB 1dB/Step 14dB 2dB/Step Variable depending on the external resistance Yes 0 to 12dB, 4dB/Step Dynamic type SQFP80 BD3818KS
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1/17
2010.06 - Rev.A
BD3811K1,BD3818KS
Absolute maximum ratings (Ta=25) Parameter Power Supply Voltage Input Signal Voltage Power Dissipation Operating Temperature range Storage Temperature range
*1
Technical Note
Symbol VCC VEE VIN Pd Topr Tastg
Ratings 7.5 -7.5 VCC+0.3 to VEE-0.3 1200
*2 *1
Unit V V mW
-20 to 75 -55 to 125
*2
Even in the specified range of Power Supply Voltage, applying voltage only to the VCC side may cause an excessive current to give a permanent damage to the IC. When starting up power supplies, VEE and VCC should be powered on simultaneously or VEE first; then followed by VCC. Reduced by 12 mW/ over 25, when installed on the standard board (size: 70x70x1.6mm).
Operating range It must function normally at Ta=25. Part No. BD3811K1 BD3818KS Parameter Operating Supply Voltage Operating Supply Voltage Symbol VCC VEE VCC VEE Min. 5 -7.3 5 -7.4 Ratings Typ. 7 -7 7 -7 Max. 7.3 -5 7.4 -5 Unit V V
Electrical characteristics 1) BD3811K1 (Ta=25, VCC=7V, VEE=-7V, f=1kHz, Vin=1Vrms, RL=10k, Rg=600, Input ATT=0dB, Input gain=0dB, Master volume=0dB, Output gain=0dB, Bass, Treble and bass boost=0dB, unless otherwise noted.) Limits Parameter Symbol Unit Conditions Min. Typ. Max. VCC 15 30 Circuit Current IQ mA No signal VEE -30 -15 Output Voltage Gain 1ch Output Voltage Gain 2ch Total Harmonic Distortion Ratio 1ch Total Harmonic Distortion Ratio 2ch Maximum Output Voltage 1ch Maximum Output Voltage 2ch Total Output Output Noise Voltage 1ch Gv1 Gv2 THD1 THD2 Vomax1 Vomax2 Vno1 Output Noise Voltage 2ch Input Impedance 1ch Input Impedance 2ch Cross-talk between Channels 1ch2ch Cross-talk between Channels 2ch1ch Cross-talk between Selectors 1ch Cross-talk between Selectors 2ch Vno2 Rin1 Rin2 CTC12 CTC21 CTS1 CTS2 28 28 2.0 47 47 -100 -100 -100 -100 9.0 70 70 -70 -70 -70 -70 Vrms k k dB dB dB dB 2.0 2.5 9.0 12 Vrms Vrms -2 -2 3.4 3.4 0 0 0.005 0.005 4.2 4.2 2.5 2 2 0.09 0.09 12 dB dB % % Vrms Vrms Vrms Measure : Pin55 Measure : Pin57 Measure : Pin55 BW=40030kHz Measure : Pin57 BW=40030kHz Measure : Pin55 THD=1% Measure : Pin57 THD=1% Measure : Pin 55 Rg=0, Tone: ON BW=IHF-A Measure : Pin 55 Rg=0, By Pass mode BW=IHF-A Measure : Pin 57 Rg=0, Tone: ON BW=IHF-A Measure : Pin 57 Rg=0, By Pass mode BW=IHF-A Measure : Pin1, 3, 5, 7, 9, 11, 77, 79 Measure : Pin2, 4, 6, 8, 10, 12, 78, 80 Measure : Pin57(OUT2) Rg=0, BW=IHF-A Reference : Pin55(OUT1)=1Vrms Measure : Pin55(OUT1) Rg=0, BW=IHF-A Reference : Pin57(OUT2)=1Vrms Measure : Pin 55 Rg=0, BW=IHF-A Measure :Pin 57 Rg=0, BW=IHF-A
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2/17
2010.06 - Rev.A
BD3811K1,BD3818KS
Technical Note
Parameter R Output Impedance 1ch R Output Impedance 2ch REC Out R Voltage Gain 1ch R Voltage Gain 2ch R Total Harmonic Distortion Ratio 1ch R Total Harmonic Distortion Ratio 2ch V Output Voltage Gain 1ch V Output Voltage Gain 2ch V Total Harmonic Distortion Ratio 1ch V Total Harmonic Distortion Ratio 2ch V Output Noise Voltage 1ch V Output Noise Voltage 2ch Volume Control Range 1ch Volume Control Range 2ch Volume Setting Error 1 1ch Volume Setting Error 1 2ch Volume Setting Error 2 1ch Volume Setting Error 2 2ch Maximum Attenuation 1ch Maximum Attenuation 2ch Input Attenuation Control Range 1ch Input Attenuation Control Range 2ch Input Attenuation Setting Error 1ch Input Attenuation Setting Error 2ch Input Gain Control Range 1ch Input Gain Control Range 2ch Input Gain Setting Error 1ch Input Gain Setting Error 2ch Input Attenuation
Symbol RoutR1 RoutR2 GVR1 GVR2 THDR1 THDR2 GVV1 GVV2 THDV1 THDV2 VnoV1 VnoV2 GVR1 GVR2 VE11 VE12 VE21 VE22 Vmin1 Vmin2 GIA1 GIA2 AE1 AE2 GIG1 GIG2 GIE1 GIE2
Limits Min. -2 -2 -2 -2 -106 -106 -2 -2 -3 -3 -20 -20 -2 -2 4 4 -2 -2 Typ. 100 100 0 0 0.005 0.005 0 0 0.005 0.005 1.5 1.5 -103 -103 0 0 0 0 -118 -118 -18 -18 0 0 6 6 0 0 Max. 200 200 2 2 0.09 0.09 2 2 0.09 0.09 8 8 -100 -100 2 2 3 3 -105 -105 -16 -16 2 2 8 8 2 2
Unit dB dB % % dB dB % % Vrms Vrms dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB
Conditions Measure : Pin 71, 73, 75 Measure : Pin 72, 74, 76 Measure : Pin 71, 73, 75 RL=47k, Vin =0.4Vrms Measure : Pin 72, 74, 76 RL=47k, Vin =0.4Vrms Measure : Pin 71, 73, 75 RL=47k, Vin =0.4Vrms BW=40030kHz Measure : Pin 72, 74, 76 RL=47k, Vin =0.4Vrms BW=40030kHz Measure : Pin 36, 38 Measure : Pin 35, 37 Measure : Pin 36, 38 BW=40030kHz Measure : Pin 35, 37 BW=40030kHz Measure : Pin 36, 38 Rg=0, BW=IHFA Measure : Pin 35, 37 Rg=0, BW=IHFA Measure : Pin 36, 38, 55 Vin =3Vrms Measure : Pin 35, 37, 57 Vin =3Vrms Measure : Pin 36, 38, 55 0 to -53dB , Vin =3Vrms Measure : Pin 35, 37, 57 0 to -53dB , Vin =3Vrms Measure : Pin 36, 38, 55 -54 to -103dB , Vin =3Vrms Measure : Pin 35, 37, 57 -54 to -103dB , Vin =3Vrms Measure : Pin 36, 38, 55 Vin =3Vrms, BW=IHF-A Measure : Pin 35, 37, 57 Vin =3Vrms, BW=IHF-A Measure : Pin 19, 20 Measure : Pin 17, 18 Measure : Pin 19, 20 Measure : Pin 17, 18 Measure : Pin 36, 38, 55 Vin =0.4Vrms Measure : Pin 35, 37, 57 Vin =0.4Vrms Measure : Pin 36, 38, 55 Vin =0.4Vrms Measure : Pin 35, 37, 57 Vin =0.4Vrms
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Input Gain
Volume Output
3/17
2010.06 - Rev.A
BD3811K1,BD3818KS
Technical Note
Parameter Treble Maximum Boost Gain 1ch Treble Maximum Boost Gain 2ch Treble Maximum Cut Gain 1ch Treble Maximum Cut Gain 2ch Treble Step Resolution 1ch Treble Step Resolution 2ch Treble Gain Setting Error 1ch Treble Gain Setting Error 2ch Bass Maximum Boost Gain 1ch Bass Maximum Boost Gain 2ch Bass Maximum Cut Gain 1ch Bass Bass Maximum Cut Gain 2ch Bass Step Resolution 1ch Bass Step Resolution 2ch Bass Gain Setting Error 1ch Bass Gain Setting Error 2ch Bass Boost Maximum Gain 1ch Bass Boost Maximum Gain 2ch Bass Boost Step Resolution 1ch Bass Boost Step Resolution 2ch Bass Boost Setting Error 1ch Bass Boost Setting Error 2ch Output Gain Control Range 1ch Output Gain Control Range 2ch Output Gain Setting Error 1ch Output Gain Setting Error 2ch
Symbol GTB1 GTB2 GTC1 GTC2 TR1 TR2 TE1 TE2 GBB1 GBB2 GBC1 GBC2 BR1 BR2 BE1 BE2 GBBB1 GBBB2 BBR1 BBR2 BBE1 BBE2 GOG1 GOG2 GOE1 GOE2
Limits Min. 12 12 -16 -16 -2 -2 12 12 -16 -16 -2 -2 10 10 -2 -2 16 16 -2 -2 Typ. 14 14 -14 -14 2 2 0 0 14 14 -14 -14 2 2 0 0 12 12 4 4 0 0 18 18 0 0 Max. 16 16 -12 -12 2 2 16 16 -12 -12 2 2 14 14 2 2 20 20 2 2
Unit dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB
Conditions Measure : Pin 55 f=15kHz, Vin =0.4Vrms Measure : Pin 57 f=15kHz, Vin =0.4Vrms Measure : Pin 55 f=15kHz, Vin =0.4Vrms Measure : Pin 57 f=15kHz, Vin =0.4Vrms Measure : Pin 55 f=15kHz, Vin =0.4Vrms Measure : Pin 57 f=15kHz, Vin =0.4Vrms Measure : Pin 55 f=15kHz, Vin =0.4Vrms Measure : Pin 57 f=15kHz, Vin =0.4Vrms Measure : Pin 55 fo=100Hz, Vin=0.4Vrms Measure : Pin 57 fo=100Hz, Vin =0.4Vrms Measure : Pin 55 fo=100Hz, Vin =0.4Vrms Measure : Pin 57 fo=100Hz, Vin =0.4Vrms Measure : Pin 55 fo=100Hz, Vin =0.4Vrms Measure : Pin 57 fo=100Hz, Vin =0.4Vrms Measure : Pin 55 fo=100Hz, Vin =0.4Vrms Measure : Pin 57 fo=100Hz, Vin =0.4Vrms Measure : Pin 55 fo=70Hz, Vin =0.4Vrms Measure : Pin 57 fo=70Hz, Vin =0.4Vrms Measure : Pin 55 fo=70Hz, Vin =0.4Vrms Measure : Pin 57 fo=70Hz, Vin =0.4Vrms Measure : Pin 55 fo=70Hz, Vin =0.4Vrms Measure : Pin 57 fo=70Hz, Vin =0.4Vrms Measure : Pin 36, 38, 55 Vin =0.4Vrms Measure : Pin 35, 37, 57 Vin =0.4Vrms Measure : Pin 36, 38, 55 Vin =0.4Vrms Measure : Pin 35, 37, 57 Vin =0.4Vrms
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Output Gain
Bass Boost
Treble
* Note: This IC is not designed to be radiation-resistant.
4/17
2010.06 - Rev.A
BD3811K1,BD3818KS
Technical Note
2) BD3818KS (Ta=25 VCC=7V, VEE=-7V, f=1kHz, Vin=500mVrms, RL=10k, Rg=600 Input gain=0dB (FL,FR), 12.6dB (C,LS,RS), 15.6dB (SUB), Master volume=0dB, Bass and Treble =0dB, Gain amp=0dB (C,LS,RS,SUB), C,LS and RS mixing=OFF, unless otherwise noted.) Limits Parameter Symbol Unit Conditions Min. Typ. Max. Circuit Current Output Voltage Gain 1 Line Output Voltage Gain 1 DVD Output Voltage Gain 1 DSP Output Voltage Gain 1 EXT Output Voltage Gain 2 Output Voltage Gain 3 Total Harmonic Distortion Ratio 1 Total Harmonic Distortion Ratio 2 Total Output Total Harmonic Distortion Ratio 3 Maximum Output Voltage Residual Noise Voltage 1 Residual Noise Voltage 2 Cross-talk between Selectors Cross-talk between Channels LchRch Cross-talk between Channels RchLch IQ GV1 GV1DVD GV1DSP GV1EXT GV2 GV3 THD1 THD2 THD3 Vomax VNOR1 VNOR2 CTS CTCLR CTCRL 3 -2 10 -2 10.6 13.6 3.6 28 5 0 12 0 12.6 15.6 0.002 0.003 0.003 4.3 2.7 1.0 -90 -90 -90 -90 -90 -85 -90 40 7 2 14 2 14.6 17.6 0.03 0.03 0.03 9 6 -75 -75 -75 -75 -75 -70 -75 mA dB dB dB dB dB dB % % % Vrms Vrms Vrms dB dB dB dB dB dB dB No signal Measure : Pin36,39 Vin =0.5Vrms, Line Mode Measure : Pin36,39 Vin =0.5Vrms, DVD Mode Measure : Pin36,39 Vin =0.2Vrms, DSP Mode Measure : Pin36,39 Vin =0.5Vrms, EXT Mode Measure : Pin 23,25,27 Vin =0.2Vrms Measure : Pin 21 Vin =0.15Vrms Measure : Pin36,39 BW=40030kHz Vin =0.5Vrms, Line Mode Measure : Pin 23,25,27 BW=40030kHz Vin =0.3Vrms Measure : Pin 21 BW=40030kHz Vin =0.3Vrms Measure : Pin36,39 THD=1% Measure : Pin36,39 Rg=0,Volume= - BW=IHF-A Measure : Pin 21,23,25,27 Rg=0, Volume= -BW=IHF-A, Output amp=0dB Measure : Pin36,39 Rg=0, BW=IHF-A Measure : Pin36(OUTFR) Rg=0, BW=IHF-A Reference : Pin39(OUTFL)=1Vrms Measure : Pin39(OUTFL) Rg=0, BW=IHF-A Reference : Pin36(OUTFR)=1Vrms Measure : Pin 23(OUTRS) Rg=0, BW=IHF-A Reference :Pin 25(OUTLS) =1Vrms Measure : Pin 25(OUTLS) Rg=0, BW=IHF-A Reference :Pin 23(OUTRS) =1Vrms Measure : Pin 21(OUTSUB) Rg=0, BW=IHF-A Reference :Pin 27(OUTC) =1Vrms Measure : Pin 27(OUTC) Rg=0, BW=IHF-A Reference :Pin 21(OUTSUB) =1Vrms
Cross-talk between Channels CTCLRS LSchRSch Cross-talk between Channels CTCRLS RSchLSch Cross-talk between Channels CTCCSU CchSUBch Cross-talk between Channels CTCSUC SUBchCch
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5/17
2010.06 - Rev.A
BD3811K1,BD3818KS
Technical Note
Parameter Volume Control Range Volume Output Volume Setting Error 1 Volume Setting Error 2 Maximum Attenuation Treble Maximum Boost Gain Treble Maximum Cut Gain Treble Step Resolution Treble Gain Setting Error Bass Maximum Boost Gain Bass Maximum Cut Gain Bass Step Resolution Bass Gain Setting Error Input Gain Control Range 1 Input Gain Setting Error 1 Input Gain Input Gain Control Range 2 Input Gain Setting Error 2 Input Gain Control Range 3 Input Gain Setting Error 3 Gain Amp Gain Amp Control Range Output Gain Setting Error Line out Voltage Gain Line out Total Harmonic Distortion Ratio
Symbol VOL VOLE1 VOLE2 VOLmin GTB GTC TR TE GBB GBC BR BE GIG1 GE1 GIG2 GE2 GIG3 GE3 GAG GAE GVLI THDLI
Limits Min. -97 -1.5 -2 12 -16 -2 12 -16 -2 7 -2 13.6 -2 16.6 -2 10 -2 6 Typ. -95 0 0 -115 14 -14 2 0 14 -14 2 0 9 0 15.6 0 18.6 0 12 0 8 0.003 Max. -93 1.5 2 -105 16 -12 2 16 -12 2 11 2 17.6 2 20.6 2 14 2 10 0.03
Unit dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB %
Conditions Measure : Pin 21,23,25,27, 36,39 VOUT=3Vrms (VOL=0dB) Measure : Pin 21,23,25,27,36,39 0 to -53dB, VOUT=3Vrms (at VOL=0dB) Measure : Pin 21,23,25,27,36,39 -54 to -95dB, VOUT=3Vrms (at VOL=0dB) Measure : Pin 21,23,25,27,36,39 BW=IHF-A VOUT=3Vrms (at VOL=0dB) Measure : Pin36,39, f=15kHz, Vin=0.1Vrms, Line Mode Measure : Pin36,39, f=15kHz, Vin =0.1Vrms, Line Mode Measure : Pin36,39, f=15kHz, Vin =0.1Vrms, Line Mode Measure : Pin36,39, f=15kHz, Vin =0.1Vrms, Line Mode Measure : Pin36,39, f=100Hz, Vin =0.1Vrms, Line Mode Measure : Pin36,39, f=100Hz, Vin =0.1Vrms, Line Mode Measure : Pin36,39, f=100Hz, Vin =0.1Vrms, Line Mode Measure : Pin36,39, f=100Hz, Vin =0.1Vrms, Line Mode Measure : Pin36,39 Vin =0.1Vrms Measure : Pin36,39 Vin =0.1Vrms Measure : Pin23,25,27 Vin =0.1Vrms Measure : Pin23,25,27 Vin =0.1Vrms Measure : Pin21 Vin =0.1Vrms Measure : Pin21 Vin =0.1Vrms Measure : Pin 32 Vin =0.2Vrms Measure : Pin 32 Vin =0.2Vrms Measure : Pin 59,60 Vin =0.3Vrms Measure : Pin 59,60 BW=40030kHz, Vin =0.3Vrms
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Line Out
Bass
Treble
* Note: This IC is not designed to be radiation-resistant.
6/17
2010.06 - Rev.A
BD3811K1,BD3818KS
Timing chart 1. Signal Timing Conditions Data is read on the rising edge of the clock. Latch is read on the falling edge of the clock. Latch signal must terminate with the LOW state. * To avoid malfunctions, clock and data signals must terminate with the LOW state.
Technical Note
CL (CLOCK
90%
90%
90%
90%
twc
10%
twc
10% 10%
thd
ts
th
tsd
thd
tsl
thl
DA DATA LATCH
90%
twd
90%
twh
10% 10%
90%
90%
twl
90%
DATA
DATA
10%
LATCH Terminate with LOW
Fig.1
Parameter Minimum Clock Width Minimum Data Width Minimum Latch Width LOW Hold Width Data Set-up Time (DATACLK) Data Hold Time (CLKDATA) Latch Set-up Time (CLKLATCH) Latch Hold Time (DATALATCH) Latch Low Set-up Time Latch Low Hold Time
Symbol twc twd twl twh tsd thd tsl thl ts th
Limits Min. 2.0 2.0 2.0 2.0 1.0 1.0 1.0 1.0 1.0 1.0 Typ. Max. -
Unit S S S S S S S S S S
2. External Mute (Pin48) Voltage (BD3811K1) Parameter Volume Mute OFF Volume Mute ON Limits Min. 0 2.2 Typ. Max.(Vcc) 1.0 5.5 Unit V Conditions Vcc=5 to 7.3V VEE=-5 to -7.3V
3. Voltage Conditions for Control Signals Limits Parameter Min. "H" Input Voltage "L" Input Voltage 2.2 0 BD3811K1 Typ. Max. (Vcc) 5.5 1.0 Min. 3.0 0 BD3818KS Typ. Max. (Vcc) 5.5 1.5 Unit V V Conditions
Vcc=5 to 7.4V VEE=-5 to -7.4V
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7/17
2010.06 - Rev.A
BD3811K1,BD3818KS
4. Basic Configuration of Control Data Formats BD3811K1 Data input direction MSB D16 Data D15 D14 D13 D12 D11 D10 D9 Data D8 D7 D6 D5 D4 D3
Technical Note
LSB D2 D1 D0
Select Address
Control Data Formats Data input direction D16 D15 D14 D13 D12 D11 Data (1) Master Volume Rch Data (2) Data (3) Data (4) Data (5) D16 D15 D14 D13 D12 D11
Select Address D10 D9 D8 D7 D6 D5 D4 D3 D2 0 D4 D3 D2 0 D4 D3 D2 0 D4 D3 * D3 D2 0 D2 1 D1 0 D1 0 D1 1 D1 1 D1 0 D0 0 D0 1 D0 0 D0 1 D0 0
Master Volume Lch D10 D9 D8 D7 D6 D5
Master Volume SRch D16 D15 D14 D13 D12 D11 D10 D9 D8
Master Volume SLch D7 D6 D5
Master Volume Cch D16 D15 D14 D13 D12 D11 D10 D9 D8 REC SW1/ REC REC REC IN SW SW3 SW2 D13 D12 D11 D10 Bass
Master Volume SWch D7 D6 D5 5.1ch Mode 1 D7 D6 Bass boost 5.1ch Input Mode2 gain D5 D4
Input select D16 D15 D14
Input ATT D9 D8 Tone
Treble
Output gain amp
BD3818KS Data input direction MSB D16 Data D15 D14 D13 D12 D11 D10 D9 Data D8 D7 D6 D5 D4 D3 D2 D1
LSB D0
Select Address
Control Data Formats Data input direction D16 D15 D14 D13 Data (1) Data (2) Data (3) Data (4) Data (5) Data (6) Treble D16 D15 D14 D13
Select Address D12 D11 D10 D9 D8 Tone D9 D8 D7 * D7 D6 * D6 D5 * D5 D4 0 D4 0 D4 1 D4 FRch D6 D5 D4 RSch D6 D5 D4 SUBch D3 D3 D3 0 D3 1 D3 0 D3 D2 0 D2 0 D2 0 D2 0 D2 0 D2 0 D1 0 D1 0 D1 0 D1 0 D1 1 D1 1 D0 0 D0 0 D0 0 D0 1 D0 0 D0 1
Bass D12 D11 D10
Input select D16 D15
FLR select D12 Mix amp
C SUB Input AOUT LRS select Line select select switch select D11 D10 D9 D8 Gain select D11 FLch D11 LSch D11 Cch D10 D9 D10 D9 D10 Input gain FLR D9 D8 D6 Input Input gain gain C LRS D7 D6 D7 D5 Input gain SUB D5
D14 D13 Mix C
Mix LRS D16 D15
D14 D13 D12
Master volume D16 D15 D14 D13 D12
Master volume D8 D7
Master volume D16 D15 D14 D13 D12
Master volume D8 D7
Master volume
Master volume
* Indicates 0 or 1.
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8/17
2010.06 - Rev.A
BD3811K1,BD3818KS
Block diagram, application circuit, pin assignment 1) BD3811K1
REC MD/DAT R L TAPE R L VIDEO R L
470k 470k
Technical Note
MD/DAT R L
470k 470k
TAPE R
470k
L
AGND
470k
10
AGND
10
80 L VIDEO1 R 47k L VIDEO2 R L TUNER R L PHONO R L CD R L R SR DVD SL C SW OUTDSP R(+) OUTDSP R(- ) OUTDSP L(+) OUTDSP L(- ) INDSP L INDSP MIXL INDSP R INDSP MIXR 14 15 16 17 18 19 20 21 47k 22
47k
79
47k
78
47k
77
47k
76
75
74
73
72
71
70
69
68
67
66
65 4700p 64
47k
47k
RECSW 3 RECSW 2
REC SW1
4700p 63 0.1 TREBLE 62 0.1 61 0.1 60 BASS 59 0.1 4.7k 4.7k
47k 47k 47k 47k 47k 47k 47k 10 47k 11 47k 12
47k
REC INSW 1 2 3
0.22 58
1 2 3
4.7k 0.22
57
OUTR
56 BASS BOOST
Input mute SW
0.22 0.22
4.7k
55
OUTL
54 5.1ch Mode SW2 DVD 53
47k 47k 47k 47k
AGND AGND Vcc 47 AGND 47 VEE AGND MUTE
13
VCC
52 51
VEE
50 49
LINE R/L MIX LINE R/L MIX
48 LOGIC 47 46 45 44 43
CL DA DGND AGND
5.1ch Mode SW2 DSP
5.1ch Mode SW1
47k
10 23 24 25
47k 47k
42 41 30 31 32 33 10 AGND
OUTSWOUTC OUTSL OUTSR
47k
47k
47k
AGND
26
27
28
29
34
35
36
37
38
39
40
10 INDSP INDSP INDSP INDSP AGND SR SL C SW
10
UNIT RESISTANCE : CAPACITOR : F Fig.2
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9/17
2010.06 - Rev.A
BD3811K1,BD3818KS
2) BD3818KS
VCC LOUT2 LOUT1 THGND AGND DA CL 10 0.1 0.1 0.1 0.1 10
Technical Note
+
4700 4700 p p
60
Input Select
59
58
57
56
55
54
53
52
51
0,3,6,9dB
Input Gain FLR
50
49
48
47
46
LOGIC
45
44
43
42
+
47
4.7K
4.7K
AGND
47
VEE
-
L TV R L VCR R L AUX R L TUNER R L DVDMIX R AGND EXIN 1 EXIN 2 AGND FL FR C DVD LS RS SUB
61
47K TREBLE
14dB2dB/ STEP
BASS
14dB2dB/ STEP
62
47K
63
47K
8dB FLR Select
LINE DVD / Line EXT DSP MUTE
Tone
64
47K
-
0,5,12dB ##
65
47K
+
Mix LRS
LINE DVD / EXT DSP MUTE
47K
0,5,12dB
47K
##
Mix LRS
68
47K
Input Switch
LINE DVD LINE DVD LRS Select DVD DSP MUTE
9,12dB
AGC
Mix C
33 32
+ -
69
47K
C Select
DVD DSP
12.6,15.6dB
Input Gain C
0.3dB
220K 0.22
DET
0.22
70
47K
+ 12.6,15.6dB
31 30
71 72
47K
73
47K
Input Gain LRS DVD DSP MUTE
+ -
29 28
0.01
12.6,15.6dB
74 75
47K
+ Input GainSUB
27
5.1K
26
+ -
DVD DSP
15.6,18.6dB
76
47K
25
5.1K
77
47K
SUB Select
24 23
78
FLR LRS FLR LRS 47K
79
47K
AOUT Select
22 21
80
47K # # 0,5,9dB 47K 47K 47K 47K 47K 47K
1
2
3
4
5
6
7
8
9
10
11
12 +
13
14 +
15
16 +
17
18 +
19
20
15K
AOUT2
AOUT1
SUB
LS
FR
RS
C
10 AGND
10
10
10 AGND
AGND
FL
DSP To DSP
(#)
INPUT LINE DVD(FL,FR) DVD(LS,RS)
AOUT 5dB 0dB 9dB
(##)
INPUT LINE DVD DSP EXT
GAIN 5dB 0dB 12dB 0dB
UNIT RESISTANCE : CAPACITOR : F
Fig.3
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10/17
2010.06 - Rev.A
+
67
+
+
-1
0,4,8,12dB
Gain Select
+ -
66
35 34
+
9,12dB
+
Master Volume 0- 95dB,1dB/ STEP ,MUTE
+
41
8.2K
+
0.1
40
20 K 0.1 OUTFL
39 38
+
0.1
8.2K 0.1 OUTFR 10 K 10 K
+
-1 10 K
Mix amp
37
20 K
36
10
51K 100 VEE 5.1K 0.22 75K
20K
20K
10K
+ -
0.33 0.22
OUTC
15K OUTLS
15K OUTRS 5.1K 15K OUTSUB 5.1K
BD3811K1,BD3818KS
Setting constants for tone control filters 1. Treble filter fc=1/2(R2)C (Hz)
Technical Note
G=20log(R1+R2+Zc)/(R2+Zc) (dB) Zc=1/jC ()
Fig.4 Standard values of R1, R2 (reference) *Typ. Resistance (K) Treble Boost Amount Cut Amount R1 R2 0dB 2dB 4dB 6dB 8dB 10dB 12dB 14dB 0 4.1 7.3 10.3 12.3 14.0 15.4 16.5 20
G
15.9 12.7 9.7 7.7 6.0 4.6
G c 3dB
G
3.5
3dB
*The actual boost cut level may deviate from the standard values in some degree.
Fig.5
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11/17
2010.06 - Rev.A
BD3811K1,BD3818KS
2. Bass filter
1
IN + R3 R2
Technical Note
f0 =
2 R1 R2 + R3 C1C2
(Hz)
Q=
1 C1+C2
C1C2R2 R1
When C1=C2
C1 R1 C2
G = 20log
R2+R3 R1 R3 R1
+2 (dB) +2
Standard values of R2, R3 (reference) (R1=4.7K, C1=C2=0.1F Boost Amount Cut Amount 0dB 2dB 4dB 6dB 8dB 10dB 12dB 14dB Resistance (K) R2 0 10.8 19.3 26.0 31.2 35.4 38.4 41.0
*Typ.
G
R3 41.0 30.2
G 3dB
21.7 15.0 9.8 5.6 2.6 0
3dB G c
Fig.7
*The actual boost/cut levels may deviate from the standard values in some degree.
* Bass Filter Feature To be able to set the f0 and Q factors of Bass characteristics to desired values, part of the Bass Filter is constructed of the external components shown in the upper-left figure.
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12/17
2010.06 - Rev.A
BD3811K1,BD3818KS
Reference data
15
30
Technical Note
CIRCUIT CURRENT(mA)
10 5 0 -5
CIRCUIT CURRENT(mA)
VCC
VCC
20 10 0 -10
10 8 6 4
GAIN (dB)
VEE
0 2 4 6 8 10
2 0 -2 -4 -6 -8
VEE
-10 -15 0 2 4 6 8 10
-20 -30
-10 10 100 1000 10000 100000
POWER SUPPLY(V)
POWER SUPPLY (V)
FREQUENCY (Hz)
Fig.8 Circuit Current - Power Supply (BD3811K1)
10
Fig.9 Circuit Current - Power Supply (BD3818KS)
10
Fig.10 Voltage Gain - Frequency (BD3811K1)
10
8 7
OUTPUT VOLTAGE (Vrms)
9
OUTPUT VOLTAGE (Vrms)
1
1
GAIN (dB)
6 5 4 3 2 1 0 10 100 1000 10000 100000
0.1
0.1
0.01
0.01
0.001 0.001 0.01 0.1 1 10
0.001 0.001 0.01 0.1 1 10
Fig.11 Voltage Gain - Frequency LINE (BD3818KS)
FREQUENCY (Hz)
INPUT VOLTAGE (Vrms)
INPUT VOLTAGE (Vrms)
Fig.12 Output Voltage - Input Voltage (BD3811K1)
100
Fig.13 Output Voltage - Input Voltage LINE (BD3818KS)
10 8
10
10
1
6dB
6 4
THD+N (%)
THD+N (%)
1
GAIN(dB)
2 0 -2 -4
0dB
0.1
0.1
0.01
0.01
-6 -8
0.001 0.001 0.01 0.1 1 10
0.001 0.001
-10
0.01
0.1
1
10
10
100
1000
10000
100000
INPUT VOLTAGE (Vrms)
INPUT VOLTAGE (Vrms)
FREQUENCY (Hz)
Fig.14 THD+N - Input Voltage (BD3811K1)
Fig.15 THD+N - Input Voltage LINE(BD3818KS)
0
Fig.16 Input Gain - Frequency (BD3811K1)
20 15 10
10 8 6 4 2 0 -2 10 100 1000 10000 100000
OUTPUT ATTENUATION (dB)
-10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -100 -80 -60 -40 -20 0
+14dB
GAIN (dB)
GAIN (dB)
09dB 3dB/step
5 0 -5
-14dB+14dB
-10 -15 -20 10 100 1000 10000 100000
2dB/step -14dB
FREQUENCY (Hz)
VOLUME DATA (dB)
Fig.17 Input Gain - Frequency (BD3818KS)
Fig.18 Volume Attenuation Volume Setting (BD3811K1)
Fig.19 Bass Gain - Frequency
FREQUENCY (Hz)
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13/17
2010.06 - Rev.A
BD3811K1,BD3818KS
Technical Note
20 15 10 GAIN (dB)
GAIN (dB)
+14dB
14 12 10 8 6 4 2
18
12dB
16 14
3dB 0dB
5 0 -5 -10 -15 -20 10 100 1000
-14dB -14dB+14dB 2dB/step
GAIN (dB)
9dB
12 10 8 6 4 2 0
0 10 100 1000 10000 100000
10000
100000
10
100
1000
10000
100000
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
Fig.20 Treble Gain - Frequency
Fig.21 Surround Mixing - Frequency (BD3818KS)
10
Fig.22 Center Mixing - Frequency (BD3818KS)
10
20
15
0
OUTPUT VOLTAGE (Vrms)
1
GAIN (dB)
-10 GAIN (dB)
10
-20
0.1
5
0, 6dB18dB 2dB/step
-30
012dB 4dB/step
0
-40
0.01
-5 10 100 1000 10000 100000
-50 10 100 1000 FREQUENCY (Hz) 10000 100000
0.001 0.001 0.01 0.1 1 10
FREQUENCY (Hz)
INPUT VOLTAGE (Vrms)
Fig.23 Output Gain - Frequency (BD3811K1)
8.0
0 -20
Fig.24 Dynamic Bass - Frequency (BD3818KS)
7.0 6.0
Fig.25 AGC Output Voltage - Input Voltage (BD3818KS)
8.0 7.0
CROSSTALK (dB)
NOISE (Vrms)
-40 -60 -80 -100 -120 10 100 1000 10000 100000
NOISE (Vrms)
2 4 6 8 10
5.0 4.0 3.0 2.0 1.0 0.0
6.0 5.0 4.0 3.0 2.0 1.0 0.0 2 4 6 8 10
FREQUENCY (Hz)
POWER SUPPLY (V)
POWER SUPPLY (V)
Fig.26 Cross-talk - Frequency (BD3818KS)
Fig.27 Output Noise Voltage (FL,FR)Power Supply Voltage (BD3818KS)
Fig.28 Output Noise Voltage (C,LS,RS,SW)Power Supply Voltage (BD3818KS)
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14/17
2010.06 - Rev.A
BD3811K1,BD3818KS
Notes for use
Technical Note
1. Numbers and data in entries are representative design values and are not guaranteed values of the items. 2. Although ROHM is confident that the example application circuit reflects the best possible recommendations, be sure to verify circuit characteristics for your particular application. Modification of constants for other externally connected circuits may cause variations in both static and transient characteristics for external components as well as this Rohm IC. Allow for sufficient margins when determining circuit constants. 3. Absolute maximum ratings Use of the IC in excess of absolute maximum ratings, such as the applied voltage or operating temperature range (Topr), may result in IC damage. Assumptions should not be made regarding the state of the IC (short mode or open mode) when such damage is suffered. A physical safety measure, such as a fuse, should be implemented when using the IC at times where the absolute maximum ratings may be exceeded. 4. VEE potential Make the VEE pin voltage such that it is the lowest voltage even when operating below it. Actually confirm that the voltage of each pin does not become a lower voltage than the VEE pin, including transient phenomena. 5. Thermal design Perform thermal design, in which there are adequate margins, by taking into account the power dissipation (Pd) in actual states of use. 6. Short circuit between terminals and erroneous mounting Pay attention to the assembly direction of the ICs. Wrong mounting direction or shorts between terminals, GND, or other components on the circuits, can damage the IC. 7. Operation in strong electromagnetic field Using the ICs in a strong electromagnetic field can cause operation malfunction. 8. Serial control For the CL and DA terminals, the patterned and other wirings should be routed not to cause interference with the analog-signal-related lines. 9. Power ON/OFF (a) At power ON/OFF, a shock sound will be generated. Therefore, use MUTE on the set. (b) When turning on power supplies, VEE and VCC should be powered on simultaneously, or VEE first followed by VCC. If the VCC side is started up first, an excessive current may flow from VCC to VEE. 10. Function switching For the CL and DA terminals, the patterned and other wirings should be routed as not to cause interference with the analog-signal-related lines. 11. Ground line The ground pin: 47pin (BD3818KS) should be connected to the ground line with as low noise as the AGND pin. 12. Switching noise reduction at switching volume from -3dB to -4dB (BD3811K1 only) In order to reduce a switching noise at the switching volume from -3dB to -4dB, the -4dB-step switch should be switched first, and then the -1dB-step switch by -1dB.
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15/17
2010.06 - Rev.A
BD3811K1,BD3818KS
Thermal derating characteristics
1400 1200mW 1200
Technical Note
Power Dissipation Pd mW)
1000
800
600
400
200
0 0 25 50 Ta( ) 75 100 125
Fig.29 BD3811K1, BD3818KS ROHM standard board packaging time value Board size: 70 x 70 x 1.6mm Raw material: FR4 glass epoxy board (copper area 3% or below)
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16/17
2010.06 - Rev.A
BD3811K1,BD3818KS
Ordering part number
Technical Note
B
D
3
Part No. 3811 3818
8
1
1
K
1
Packaging and forming specification None: Tray,
Part No.
Package K1: QFP80 KS: SQFP80
QFP80
24.00.3 20.00.2 64 65
18.00.3 14.00.2

Container
41 40
Tray (with dry pack) 500pcs Direction of product is fixed in a tray
Quantity Direction of feed
80 1
2.70.1
25 24
0.150.1
0.05
0.15 0.8 0.350.1
1.2
1pin
(Unit : mm)
Order quantity needs to be multiple of the minimum quantity.
SQFP80
16.40.3 14.00.2
60 61 41 40

Container Quantity Direction of feed Tray (with dry pack) 500pcs Direction of product is fixed in a tray
16.40.3
14.00.2
1pin
80 1 20 21
2.70.1
0.150.1
0.05
0.15 0.65 0.30.1
0.5
(Unit : mm)
Order quantity needs to be multiple of the minimum quantity.
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17/17
2010.06 - Rev.A
Notice
Notes
No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products specified in this document are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuelcontroller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law.
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