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=10kΩ) Maximum output voltage (BD3811K1): 4.2Vrms (Vcc=7V, VEE=-7V, RL=10kΩ) 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 BD3811K1 BD3818KS Input Selector 8 inputs 5 inputs Input Gain 2Step 4 Step or 2 Step Volume 0 to -103dB 1dB/Step 0 to -95dB 1dB/Step Bass, Treble 14dB 2dB/Step 14dB 2dB/Step Output Gain 0, 6 to 18dB 2dB/Step Variable depending on the external resistance Mixing No Yes Bass Boost 0 to 12dB, 4dB/Step 0 to 12dB, 4dB/Step Dynamic type Package QFP80 SQFP80 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 1/17 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS ●Absolute maximum ratings (Ta=25℃) Symbol Parameter VCC VEE VIN Power Supply Voltage Input Signal Voltage Power Dissipation Ratings Unit *1 7.5 -7.5 VCC+0.3 to VEE-0.3 Pd 1200 V V *2 mW Operating Temperature range Topr -20 to 75 ℃ Storage Temperature range Tastg -55 to 125 ℃ *1 *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. Parameter BD3811K1 Operating Supply Voltage BD3818KS Operating Supply Voltage Symbol Min. 5 -7.3 5 -7.4 VCC VEE VCC VEE 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=10kΩ, Rg=600Ω, 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 Gv1 -2 0 2 dB Measure : Pin55 Output Voltage Gain 2ch Gv2 -2 0 2 dB Measure : Pin57 THD1 ― 0.005 0.09 % THD2 ― 0.005 0.09 % Maximum Output Voltage 1ch Vomax1 3.4 4.2 ― Vrms Maximum Output Voltage 2ch Vomax2 3.4 4.2 ― Vrms ― 2.5 12 µVrms ― 2.0 9.0 µVrms ― 2.5 12 µVrms ― 2.0 9.0 µVrms Total Output Total Harmonic Distortion Ratio 1ch Total Harmonic Distortion Ratio 2ch Output Noise Voltage 1ch Output Noise Voltage 2ch Vno1 Vno2 Measure : Pin55 BW=400～30kHz Measure : Pin57 BW=400～30kHz Measure : Pin55 THD=1% Measure : Pin57 THD=1% Measure : Pin 55 Rg=0Ω, Tone: ON BW=IHF-A Measure : Pin 55 Rg=0Ω, By Pass mode BW=IHF-A Measure : Pin 57 Rg=0Ω, Tone: ON BW=IHF-A Measure : Pin 57 Rg=0Ω, By Pass mode BW=IHF-A Input Impedance 1ch Rin1 28 47 70 kΩ Measure : Pin1, 3, 5, 7, 9, 11, 77, 79 Input Impedance 2ch Rin2 28 47 70 kΩ Measure : Pin2, 4, 6, 8, 10, 12, 78, 80 Cross-talk between Channels 1ch2ch CTC12 ― -100 -70 dB Cross-talk between Channels 2ch1ch CTC21 ― -100 -70 dB CTS1 ― -100 -70 dB CTS2 ― -100 -70 dB Cross-talk between Selectors 1ch Cross-talk between Selectors 2ch www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 2/17 Measure : Pin57(OUT2) Rg=0Ω, BW=IHF-A Reference : Pin55(OUT1)=1Vrms Measure : Pin55(OUT1) Rg=0Ω, BW=IHF-A Reference : Pin57(OUT2)=1Vrms Measure : Pin 55 Rg=0Ω, BW=IHF-A Measure :Pin 57 Rg=0Ω, BW=IHF-A 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS REC Out Parameter Volume Output Input Attenuation Limits Min. Typ. Max. Unit Conditions R Output Impedance 1ch RoutR1 ― 100 200 Ω Measure : Pin 71, 73, 75 R Output Impedance 2ch RoutR2 ― 100 200 Ω Measure : Pin 72, 74, 76 R Voltage Gain 1ch GVR1 -2 0 2 dB R Voltage Gain 2ch GVR2 -2 0 2 dB R Total Harmonic Distortion Ratio 1ch THDR1 ― 0.005 0.09 % R Total Harmonic Distortion Ratio 2ch THDR2 ― 0.005 0.09 % V Output Voltage Gain 1ch GVV1 -2 0 2 dB Measure : Pin 36, 38 V Output Voltage Gain 2ch GVV2 -2 0 2 dB Measure : Pin 35, 37 THDV1 ― 0.005 0.09 % THDV2 ― 0.005 0.09 % V Output Noise Voltage 1ch VnoV1 ― 1.5 8 µVrms V Output Noise Voltage 2ch VnoV2 ― 1.5 8 µVrms Volume Control Range 1ch GVR1 -106 -103 -100 dB Volume Control Range 2ch GVR2 -106 -103 -100 dB Volume Setting Error 1 1ch VE11 -2 0 2 dB Volume Setting Error 1 2ch VE12 -2 0 2 dB Volume Setting Error 2 1ch VE21 -3 0 3 dB Volume Setting Error 2 2ch VE22 -3 0 3 dB Maximum Attenuation 1ch Vmin1 ― -118 -105 dB Maximum Attenuation 2ch Vmin2 ― -118 -105 dB GIA1 -20 -18 -16 dB Measure : Pin 19, 20 GIA2 -20 -18 -16 dB Measure : Pin 17, 18 AE1 -2 0 2 dB Measure : Pin 19, 20 AE2 -2 0 2 dB Measure : Pin 17, 18 GIG1 4 6 8 dB GIG2 4 6 8 dB Input Gain Setting Error 1ch GIE1 -2 0 2 dB Input Gain Setting Error 2ch GIE2 -2 0 2 dB V Total Harmonic Distortion Ratio 1ch V Total Harmonic Distortion Ratio 2ch Input Gain Symbol 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 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 3/17 Measure : Pin 71, 73, 75 RL=47kΩ, Vin =0.4Vrms Measure : Pin 72, 74, 76 RL=47kΩ, Vin =0.4Vrms Measure : Pin 71, 73, 75 RL=47kΩ, Vin =0.4Vrms BW=400～30kHz Measure : Pin 72, 74, 76 RL=47kΩ, Vin =0.4Vrms BW=400～30kHz Measure : Pin 36, 38 BW=400～30kHz Measure : Pin 35, 37 BW=400～30kHz Measure : Pin 36, 38 Rg=0Ω, BW=IHF－A Measure : Pin 35, 37 Rg=0Ω, BW=IHF－A 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 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 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS Treble Parameter Bass Bass Boost Limits Unit Min. Typ. Max. GTB1 12 14 16 dB GTB2 12 14 16 dB GTC1 -16 -14 -12 dB GTC2 -16 -14 -12 dB Treble Step Resolution 1ch TR1 ― 2 ― dB Treble Step Resolution 2ch TR2 ― 2 ― dB Treble Gain Setting Error 1ch TE1 -2 0 2 dB Treble Gain Setting Error 2ch TE2 -2 0 2 dB GBB1 12 14 16 dB GBB2 12 14 16 dB Bass Maximum Cut Gain 1ch GBC1 -16 -14 -12 dB Bass Maximum Cut Gain 2ch GBC2 -16 -14 -12 dB Bass Step Resolution 1ch BR1 ― 2 ― dB Bass Step Resolution 2ch BR2 ― 2 ― dB Bass Gain Setting Error 1ch BE1 -2 0 2 dB Bass Gain Setting Error 2ch BE2 -2 0 2 dB GBBB1 10 12 14 dB GBBB2 10 12 14 dB BBR1 ― 4 ― dB BBR2 ― 4 ― dB Bass Boost Setting Error 1ch BBE1 -2 0 2 dB Bass Boost Setting Error 2ch BBE2 -2 0 2 dB GOG1 16 18 20 dB GOG2 16 18 20 dB GOE1 -2 0 2 dB GOE2 -2 0 2 dB Treble Maximum Boost Gain 1ch Treble Maximum Boost Gain 2ch Treble Maximum Cut Gain 1ch Treble Maximum Cut Gain 2ch Bass Maximum Boost Gain 1ch Bass Maximum Boost Gain 2ch Output Gain Symbol Bass Boost Maximum Gain 1ch Bass Boost Maximum Gain 2ch Bass Boost Step Resolution 1ch Bass Boost Step Resolution 2ch Output Gain Control Range 1ch Output Gain Control Range 2ch Output Gain Setting Error 1ch Output Gain Setting Error 2ch 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 * Note: This IC is not designed to be radiation-resistant. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 4/17 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS 2) BD3818KS (Ta=25℃ VCC=7V, VEE=-7V, f=1kHz, Vin=500mVrms, RL=10kΩ, Rg=600Ω 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. Total Output Circuit Current IQ ― 28 40 mA No signal Output Voltage Gain 1 Line GV1 3 5 7 dB Measure : Pin36,39 Vin =0.5Vrms, Line Mode Output Voltage Gain 1 DVD GV1DVD -2 0 2 dB Measure : Pin36,39 Vin =0.5Vrms, DVD Mode Output Voltage Gain 1 DSP GV1DSP 10 12 14 dB Measure : Pin36,39 Vin =0.2Vrms, DSP Mode Output Voltage Gain 1 EXT GV1EXT -2 0 2 dB Measure : Pin36,39 Vin =0.5Vrms, EXT Mode Output Voltage Gain 2 GV2 10.6 12.6 14.6 dB Measure : Pin 23,25,27 Vin =0.2Vrms Output Voltage Gain 3 GV3 13.6 15.6 17.6 dB Measure : Pin 21 Vin =0.15Vrms Total Harmonic Distortion Ratio 1 THD1 ― 0.002 0.03 % Total Harmonic Distortion Ratio 2 THD2 ― 0.003 0.03 % Total Harmonic Distortion Ratio 3 THD3 ― 0.003 0.03 % Maximum Output Voltage Vomax 3.6 4.3 ― Vrms Residual Noise Voltage 1 VNOR1 ― 2.7 9 µVrms Residual Noise Voltage 2 VNOR2 ― 1.0 6 µVrms Cross-talk between Selectors CTS ― -90 -75 dB Cross-talk between Channels LchRch CTCLR ― -90 -75 dB Cross-talk between Channels RchLch CTCRL ― -90 -75 dB Cross-talk between Channels CTCLRS LSchRSch ― -90 -75 dB Cross-talk between Channels CTCRLS RSchLSch ― -90 -75 dB Cross-talk between Channels CTCCSU CchSUBch ― -85 -70 dB Cross-talk between Channels CTCSUC SUBchCch ― -90 -75 dB www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 5/17 Measure : Pin36,39 BW=400～30kHz Vin =0.5Vrms, Line Mode Measure : Pin 23,25,27 BW=400～30kHz Vin =0.3Vrms Measure : Pin 21 BW=400～30kHz Vin =0.3Vrms Measure : Pin36,39 THD=1% Measure : Pin36,39 Rg=0Ω,Volume= -∞ BW=IHF-A Measure : Pin 21,23,25,27 Rg=0Ω, Volume= -∞BW=IHF-A, Output amp=0dB Measure : Pin36,39 Rg=0Ω, BW=IHF-A Measure : Pin36(OUTFR) Rg=0Ω, BW=IHF-A Reference : Pin39(OUTFL)=1Vrms Measure : Pin39(OUTFL) Rg=0Ω, BW=IHF-A Reference : Pin36(OUTFR)=1Vrms Measure : Pin 23(OUTRS) Rg=0Ω, BW=IHF-A Reference :Pin 25(OUTLS) =1Vrms Measure : Pin 25(OUTLS) Rg=0Ω, BW=IHF-A Reference :Pin 23(OUTRS) =1Vrms Measure : Pin 21(OUTSUB) Rg=0Ω, BW=IHF-A Reference :Pin 27(OUTC) =1Vrms Measure : Pin 27(OUTC) Rg=0Ω, BW=IHF-A Reference :Pin 21(OUTSUB) =1Vrms 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS Limits Min. Typ. Max. Unit 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) VOL -97 -95 -93 dB Volume Setting Error 1 VOLE1 -1.5 0 1.5 dB Volume Setting Error 2 VOLE2 -2 0 2 dB Maximum Attenuation VOLmin ― -115 -105 dB Treble Maximum Boost Gain GTB 12 14 16 dB Measure : Pin36,39, f=15kHz, Vin=0.1Vrms, Line Mode Treble Maximum Cut Gain GTC -16 -14 -12 dB Measure : Pin36,39, f=15kHz, Vin =0.1Vrms, Line Mode Treble Step Resolution TR ― 2 ― dB Measure : Pin36,39, f=15kHz, Vin =0.1Vrms, Line Mode Treble Gain Setting Error TE -2 0 2 dB Measure : Pin36,39, f=15kHz, Vin =0.1Vrms, Line Mode Bass Maximum Boost Gain GBB 12 14 16 dB Measure : Pin36,39, f=100Hz, Vin =0.1Vrms, Line Mode Bass Maximum Cut Gain GBC -16 -14 -12 dB Measure : Pin36,39, f=100Hz, Vin =0.1Vrms, Line Mode Bass Step Resolution BR ― 2 ― dB Measure : Pin36,39, f=100Hz, Vin =0.1Vrms, Line Mode Bass Gain Setting Error BE -2 0 2 dB Measure : Pin36,39, f=100Hz, Vin =0.1Vrms, Line Mode Input Gain Control Range 1 GIG1 7 9 11 dB Measure : Pin36,39 Vin =0.1Vrms Input Gain Setting Error 1 GE1 -2 0 2 dB Measure : Pin36,39 Vin =0.1Vrms Input Gain Control Range 2 GIG2 13.6 15.6 17.6 dB Measure : Pin23,25,27 Vin =0.1Vrms Input Gain Setting Error 2 GE2 -2 0 2 dB Measure : Pin23,25,27 Vin =0.1Vrms Input Gain Control Range 3 GIG3 16.6 18.6 20.6 dB Measure : Pin21 Vin =0.1Vrms Input Gain Setting Error 3 GE3 -2 0 2 dB Measure : Pin21 Vin =0.1Vrms Gain Amp Control Range GAG 10 12 14 dB Measure : Pin 32 Vin =0.2Vrms Output Gain Setting Error GAE -2 0 2 dB Measure : Pin 32 Vin =0.2Vrms Line out Voltage Gain GVLI 6 8 10 dB Measure : Pin 59,60 Vin =0.3Vrms THDLI ― 0.003 0.03 % Measure : Pin 59,60 BW=400～30kHz, Vin =0.3Vrms Input Gain Bass Treble Volume Output Volume Control Range Gain Amp Symbol Line Out Parameter Line out Total Harmonic Distortion Ratio * Note: This IC is not designed to be radiation-resistant. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 6/17 2010.06 - Rev.A Technical Note 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. 90% CL (CLOCK） 90% twc 10% thd DA DATA LATCH 90% twd ts 90% DATA 90% 90% 10% 10% twc th tsd tsl DATA 10% thl 90% 90% twh 10% thd 10% twl LATCH Terminate with LOW Fig.1 Parameter Limits Symbol 90% Unit Min. Typ. Max. 2.0 - - µS Minimum Clock Width twc Minimum Data Width twd 2.0 - - µS Minimum Latch Width twl 2.0 - - µS LOW Hold Width twh 2.0 - - µS Data Set-up Time (DATACLK) tsd 1.0 - - µS Data Hold Time (CLKDATA) thd 1.0 - - µS Latch Set-up Time (CLKLATCH) tsl 1.0 - - µS Latch Hold Time (DATALATCH) thl 1.0 - - µS Latch Low Set-up Time ts 1.0 - - µS Latch Low Hold Time th 1.0 - - µS 2. External Mute (Pin48) Voltage (BD3811K1) Limits Parameter Min. Typ. Max.(Vcc) Volume Mute OFF 0 － 1.0 Volume Mute ON 2.2 － 5.5 Unit V Conditions Vcc=5 to 7.3V VEE=-5 to -7.3V 3. Voltage Conditions for Control Signals Limits BD3811K1 Parameter BD3818KS Min. Typ. “H” Input Voltage 2.2 － Max. (Vcc) 5.5 “L” Input Voltage 0 － 1.0 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. Min. Typ. 3.0 － Max. (Vcc) 5.5 0 － 1.5 7/17 Unit V V Conditions Vcc=5 to 7.4V VEE=-5 to -7.4V 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS 4. Basic Configuration of Control Data Formats BD3811K1 Data input direction MSB D16 D15 D14 LSB D13 D12 D11 D10 Data Data (3) Data (4) Data (5) D8 D7 D6 D5 D4 D3 Data ・Control Data Formats Data input direction D16 D15 D14 D13 D12 D11 Data (1) Master Volume Rch Data (2) D9 D16 D15 D14 D13 D12 D11 D15 D14 D13 D12 D10 D9 D8 D15 D14 Input select D16 D15 D13 D12 D10 D9 D8 D10 D9 D8 D11 D10 D9 D8 Input ATT D13 D9 D12 Treble D6 D5 D4 D3 D2 D1 D0 0 0 0 D7 D6 D5 D4 D2 D1 D0 0 0 1 D2 D1 D0 0 1 0 D3 D2 D1 D0 * 0 1 1 D3 D2 D1 D0 1 0 0 D3 D7 D6 D5 D4 D3 Master Volume SWch REC SW1/ REC REC REC IN SW SW3 SW2 D14 D7 Master Volume Lch Master Volume Cch D16 D11 D10 Bass D8 Tone D7 D6 5.1ch Mode 1 D7 D6 Bass boost D5 D4 5.1ch Input Mode2 gain D5 D4 Output gain amp BD3818KS Data input direction MSB D16 D15 D14 LSB D13 D12 D11 D10 Data ・Control Data Formats Data input direction D16 D15 D14 D13 Data (2) D16 D15 Data (6) D12 D15 Mix LRS D16 D15 D14 D13 D12 FLR select D14 D13 D12 Mix C Mix amp D14 D13 D12 Master volume D16 D15 D14 D13 D12 Master volume D16 D15 D11 D10 D9 Bass Input select D16 Data (5) D8 D7 D6 D5 D4 D3 D14 D13 D12 Master volume D2 D1 D0 Select Address Select Address Treble Data (3) Data (4) D9 Data Data (1) D0 Select Address Master Volume SLch D11 D1 Select Address Master Volume SRch D16 D2 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Tone * * * 0 0 0 0 0 D8 D7 D6 D5 D4 D3 D2 D1 D0 0 1 0 0 0 D4 D3 D2 D1 D0 1 0 0 0 0 D4 D3 D2 D1 D0 0 0 1 D2 D1 D0 0 1 0 D2 D1 D0 0 1 1 C SUB Input AOUT LRS select Line select select switch select D11 D10 Gain select D11 D10 D9 Input gain FLR D9 FLch D11 Cch D8 D7 D6 Input Input gain gain C LRS D7 D6 D5 Input gain SUB D5 Master volume D10 D9 LSch D11 D8 D8 D7 FRch D6 D5 Master volume D10 D9 D8 D7 Master volume D4 D3 RSch D6 D5 D4 SUBch D3 * Indicates 0 or 1. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 8/17 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS ●Block diagram, application circuit, pin assignment 1) BD3811K1 REC MD/DAT R L TAPE R VIDEO R L L 470k 80 L １ 78 77 76 470k 470k 75 74 TAPE R L 470k 470k 73 72 AGND AGND 10µ 10µ 470k 71 70 69 68 67 66 65 4700p 47k 47k 47k 47k 64 47k VIDEO1 R 79 MD/DAT R L RECSW 3 ２ RECSW 2 4700p REC SW1 63 47k L 47k VIDEO2 R 0.1µ ３ TREBLE REC INSW ４ 0.1µ 61 47k L 47k TUNER R 0.1µ 1 2 3 ５ 60 BASS 59 ６ R 0.22µ 58 ７ 47k PHONO 57 OUTR 56 ９ CD BASS BOOST 47k R 10 L 11 R 12 4.7k 0.22µ 1 2 3 ８ 47k L 4.7k 0.1µ 47k L 4.7k 62 0.22µ 4.7k 0.22µ 55 Input mute SW OUTL 47k 54 AGND 53 AGND 5.1ch Mode SW2 DVD 47k 47k SR 47k 13 47k 47µ 47k SL Vcc 52 VCC 47k DVD AGND 51 14 47µ C 15 SW 16 17 LINE R/L MIX OUTDSP R(- ) 18 LINE R/L MIX OUTDSP L(+) 19 OUTDSP L(- ) 20 INDSP L 21 INDSP MIXL 22 INDSP R 23 INDSP MIXR 24 OUTDSP R(+) 50 VEE 49 AGND 48 MUTE 47 CL 46 DA 45 DGND 44 AGND LOGIC 5.1ch Mode SW1 5.1ch Mode SW2 DSP VEE 47k 43 47k 47k 10µ 42 47k 47k 25 47k 26 47k 27 41 47k 28 29 30 31 32 33 35 36 37 38 10µ 10µ INDSP INDSP INDSP INDSP AGND SR SL C SW 34 39 AGND 40 10µ OUTSWOUTC OUTSL OUTSR AGND UNIT RESISTANCE : Ω CAPACITOR : F Fig.2 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 9/17 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS 58 59 57 56 0.1μ 55 0.1μ 54 + VEE VCC AGND DA 47μ + + 60 10μ CL 10μ THGND 4.7K 4700p 4700p 0.1μ AGND LOUT1 4.7K + LOUT2 2) BD3818KS 47μ 0.1μ 53 51 52 50 49 48 47 46 45 44 43 41 42 8.2K 0,3,6,9dB 61 TREBLE BASS ± 14dB、2dB/ STEP ± 14dB、2dB/ STEP 47K 62 47K Line 47K L - LINE/ DVD 64 0,5,12dB EXT ## MUTE R 66 LINE/ DVD L 67 DSP R 47K L 69 DVDMIX R DVD AGND EXIN1 + - LRS Select 71 DSP + - MUTE Input Gain LRS 73 10K 51K 100μ VEE 220K 0.22μ 5.1K 31 0.22μ 75K 29 20K 20K 10K 0.33μ 0.22μ 0.01μ 28 12.6,15.6dB DVD DSP 74 + - 72 OUTFR 10K 30 12.6,15.6dB DVD 0.1μ 0.22μ DSP DVD 47K AGND 32 DET 12.6,15.6dB 47K EXIN2 0.3dB Input Gain C DVD LINE 70 47K 33 Mix C C Select LINE 47K 34 AGC 9,12dB 20K 10μ 35 Gain Select Mix LRS Input Switch 68 -1 0,4,8,12dB ## MUTE 47K TUNER + + 8.2K 36 Mix amp 0,5,12dB EXT 0.1μ 37 10K 9,12dB 47K + -1 Mix LRS 47K AUX + + DSP 65 38 Master Volume 0～- 95dB,1dB/ STEP,MUTE FLR Select 47K R OUTFL Tone 8dB 63 0.1μ 20K 39 + - L VCR 40 + R LOGIC + - TV 0.1μ + + L Input Gain FLR - Input Select + - MUTE 27 OUTC 5.1K 75 26 Input GainSUB 47K FR 15.6,18.6dB DVD 76 DSP 47K 77 LRS FLR 79 21 80 # # 0,5,9dB 47K 9 10 11 12 13 14 15 16 17 18 10μ 10μ 10μ 10μ AGND 47K 8 SUB 47K 7 RS 47K 6 LS 47K 5 C 47K 4 FR AOUT2 AOUT1 15K OUTSUB 5.1K 3 FL 2 1 AGND 47K + SUB 22 AOUT Select 47K OUTRS 5.1K + RS FLR LRS 47K 15K 23 78 + LS 24 SUB Select 47K OUTLS 5.1K + C DVD 15K 25 + - 19 20 15K AGND FL DSP To DSP (#) INPUT AOUT INPUT GAIN LINE 5dB LINE 5dB DVD(FL,FR) 0dB DVD 0dB DVD(LS,RS) 9dB DSP 12dB EXT 0dB (##) UNIT RESISTANCE : Ω CAPACITOR : F Fig.3 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 10/17 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS ●Setting constants for tone control filters 1. Treble filter fc=1/2π(R2)C (Hz) G=20log(R1+R2+Zc)/(R2+Zc) (dB) Zc=1/jωC (Ω) Fig.4 Standard values of R1, R2 (reference) *Typ. Resistance (KΩ) Treble Boost Amount Cut Amount R1 R2 20 0dB 0 2dB 4.1 15.9 4dB 7.3 12.7 6dB 10.3 9.7 8dB 12.3 7.7 10dB 14.0 6.0 12dB 15.4 4.6 14dB 16.5 3.5 G 3dB G ｆ ｆc G *The actual boost cut level may deviate from the standard values in some degree. 3dB Fig.5 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 11/17 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS 2. Bass filter 1 IN f0 = + 2 π R1 R2 + R3 C1C2 R3 (Hz) R2 1 C1C2R2 C1+C2 R1 Q= When C1=C2 C1 C2 R1 G = 20log R2+R3 R1 +2 R3 R1 +2 (dB) Standard values of R2, R3 (reference) (R1=4.7KΩ, C1=C2=0.1µF） *Typ. G Resistance (KΩ) Boost Amount Cut Amount R2 R3 0dB 0 41.0 2dB 10.8 30.2 3dB G 4dB 19.3 21.7 6dB 26.0 15.0 8dB 31.2 9.8 ±10dB 35.4 5.6 12dB 38.4 2.6 14dB 41.0 0 ｆ ｆc G 3dB 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. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 12/17 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS ●Reference data 15 30 5 0 -5 VEE -10 -15 0 2 4 6 8 6 4 10 0 -10 VEE 2 0 -2 -4 -20 -6 -30 -10 -8 2 4 6 8 10 10 POWER SUPPLY (V) POWER SUPPLY(V) Fig.8 Circuit Current - Power Supply (BD3811K1) 7 6 5 4 3 2 1 1 0.1 0.01 10 100 1000 10000 0.001 100000 FREQUENCY (Hz) Fig.11 Voltage Gain - Frequency LINE (BD3818KS) 0.01 0.1 1 1 0.1 0.01 0.001 10 0.01 INPUT VOLTAGE (Vrms) 1 10 Fig.13 Output Voltage - Input Voltage LINE (BD3818KS) 100 10 8 10 6dB 6 1 0.1 0.01 GAIN(dB) 4 THD+N (%) THD+N (%) 0.1 INPUT VOLTAGE (Vrms) Fig.12 Output Voltage - Input Voltage (BD3811K1) 10 100000 0.001 0.001 0 10000 10 OUTPUT VOLTAGE (Vrms) OUTPUT VOLTAGE (Vrms) 8 1000 Fig.10 Voltage Gain - Frequency (BD3811K1) 10 9 100 FREQUENCY (Hz) Fig.9 Circuit Current - Power Supply (BD3818KS) 10 GAIN (dB) 8 20 0 10 10 VCC GAIN (dB) CIRCUIT CURRENT(mA) 10 CIRCUIT CURRENT(mA) VCC 1 0.1 2 0dB 0 -2 -4 -6 0.01 -8 0.01 0.1 1 10 INPUT VOLTAGE (Vrms) Fig.14 THD+N - Input Voltage (BD3811K1) OUTPUT ATTENUATION (dB) GAIN (dB) 8 6 0～9dB 3dB/step 2 0 -2 10 100 1000 10000 0.1 1 10 10 100000 FREQUENCY (Hz) Fig.17 Input Gain - Frequency (BD3818KS) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 100 10000 100000 Fig.16 Input Gain - Frequency (BD3811K1) 0 20 -10 15 -20 +14dB 10 -30 -40 -50 -60 5 0 -5 -70 -14dB+14dB -10 -80 2dB/step -15 -90 -100 -100 1000 FREQUENCY (Hz) Fig.15 THD+N - Input Voltage LINE(BD3818KS) 10 4 0.01 INPUT VOLTAGE (Vrms) GAIN (dB) 0.001 -10 0.001 0.001 0.001 -80 -60 -40 -20 VOLUME DATA (dB) Fig.18 Volume Attenuation Volume Setting (BD3811K1) 13/17 0 -14dB -20 10 100 1000 10000 100000 FREQUENCY (Hz) Fig.19 Bass Gain - Frequency 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS 14 20 +14dB 15 10 0 -5 -14dB+14dB 2dB/step -10 9dB GAIN (dB) GAIN (dB) 5 8 6 4 -14dB -20 10 100 1000 10000 100 1000 10000 10 100000 Fig.21 Surround Mixing - Frequency (BD3818KS) -20 -30 0 -40 -5 10 100 1000 10000 100000 1 0.1 0～12dB 4dB/step 0.01 0.001 -50 100000 10000 Fig.22 Center Mixing - Frequency (BD3818KS) OUTPUT VOLTAGE (Vrms) GAIN (dB) -10 0, 6dB～18dB 2dB/step 1000 10 0 15 100 FREQUENCY (Hz) 10 5 6 FREQUENCY (Hz) 20 10 8 0 10 FREQUENCY (Hz) Fig.20 Treble Gain - Frequency 10 2 0 100000 0dB 12 4 2 -15 GAIN (dB) 3dB 16 14 10 GAIN (dB) 18 12dB 12 10 100 1000 FREQUENCY (Hz) 10000 0.001 100000 Fig.24 Dynamic Bass – Frequency (BD3818KS) Fig.23 Output Gain – Frequency (BD3811K1) 0.01 0.1 1 10 INPUT VOLTAGE (Vrms) FREQUENCY (Hz) Fig.25 AGC Output Voltage - Input Voltage (BD3818KS) 8.0 NOISE (μVrms) CROSSTALK (dB) -20 -40 -60 -80 7.0 8.0 6.0 7.0 5.0 NOISE (μVrms) 0 4.0 3.0 2.0 1.0 -100 10 100 1000 10000 100000 FREQUENCY (Hz) Fig.26 Cross-talk - Frequency (BD3818KS) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 5.0 4.0 3.0 2.0 1.0 0.0 -120 6.0 2 4 6 8 10 POWER SUPPLY (V) 0.0 2 4 6 8 10 POWER SUPPLY (V) Fig.27 Output Noise Voltage (FL,FR)Power Supply Voltage (BD3818KS) 14/17 Fig.28 Output Noise Voltage (C,LS,RS,SW)Power Supply Voltage (BD3818KS) 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS ●Notes for use 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. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 15/17 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS ●Thermal derating characteristics 1400 1200mW Power Dissipation Pd （mW) 1200 1000 800 600 400 200 0 0 25 50 75 100 125 Ta( ℃) 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) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 16/17 2010.06 - Rev.A Technical Note BD3811K1,BD3818KS ●Ordering part number B D 3 Part No. 8 1 1 K Part No. 3811 3818 1 - Package K1: QFP80 KS: SQFP80 Packaging and forming specification None: Tray, QFP80 <Tape and Reel information> 24.0±0.3 20.0±0.2 41 65 40 80 25 24 Container Tray (with dry pack) Quantity 500pcs Direction of feed Direction of product is fixed in a tray 1pin 0.15±0.1 0.05 2.7±0.1 1 1.2 14.0±0.2 18.0±0.3 64 0.15 0.35±0.1 0.8 ∗ Order quantity needs to be multiple of the minimum quantity. (Unit : mm) SQFP80 <Tape and Reel information> 16.4±0.3 14.0±0.2 41 61 40 80 21 14.0±0.2 Container Tray (with dry pack) Quantity 500pcs Direction of feed Direction of product is fixed in a tray 1pin 1 0.5 16.4±0.3 60 20 0.05 2.7±0.1 0.15±0.1 0.15 0.65 0.3±0.1 ∗ Order quantity needs to be multiple of the minimum quantity. (Unit : mm) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 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. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact us. ROHM Customer Support System http://www.rohm.com/contact/ www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. R1010A