Sound Processors for BOOM BOX / Mini-component Stereo Sound Processors with Built-in 3-band Equalizers BD3403FV, BD3861FS, BD3883FS No.10086EAT01 ●Description The Sound Processor has a built-in 3 Band Equalizer and can be controlled with a 2-wire serial. It is suited for a sound quality design which incorporates various functions, ranging from source selectors, such as BOOM BOX, Mini-audio systems and Micro-audio systems to preamplifiers at the front stage of the power amp. ●Features 1) High S/N, achieved by implementing 2-stage configuration of Front Volume and Rear Volume. 2) Provides surround and rear volume with Soft-switch to reduce a shock sound during switching functions(BD3883FS). 3) Volume and tone implemented with the resistance ladder circuit (to achieve high performance with low noise and low distortion). 4) Uses the BiCMOS process that achieves low-consumption current, which contributes to an energy-saving design. Using the BiCMOS process, has the advantage in quality over the scaling down of the internal regulators and heat controls. 5) SSOP-A32 and SSOP-B40 are used for the packages. Input pins and output pins are organized and separately laid out so as to keep the signal flows in one direction which consequently, simplify pattern layout of the set board and decrease the board dimensions. ●Applications BOOM BOX, mini-audio systems, and micro-audio systems. ●Product lineup Parameter Operating Voltage Range Equalizer Front Volume Rear Volume BD3403FV BD3861FS BD3883FS 6.5 to 9.5V 6.5 to 9.5V 6.5 to 9.5V 3 band 3 band 3 band (BASS, MIDDLE, TREBLE) (BASS, MIDDLE, TREBLE) (BASS, MIDDLE, TREBLE) 0 to -50dB/2dB step 0 to -30dB/2dB step 0 to -87dB/1dB step, -∞dB -50 to -70dB/4dB step, -∞dB 0 to -59dB/1dB step, -∞dB 0 to -59dB/1dB step, -∞dB 0, -10dB Input Gain 0 to 26dB/2dB step 0 to 26dB/2dB step 0, 6, 12, 16, 20, 23, 26, 29dB Microphone Input ○ ○ Surround ○ ○ Package SSOP-B40 SSOP-A32 SSOP-A32 ●Absolute maximum ratings (Ta=25℃) Prameter Symbol Ratings BD3403FV BD3861FS,BD3883FS Unit Power Supply Voltage Vcc 10 10 V Power Dissipation Pd 900*1 950*2 mW Input Voltage Range Vin GND-0.3 to VCC+0.3 GND-0.3 to VCC+0.3 V Operating Temperature Range Topr -25 to +75 -25 to +75 ℃ Storage Temperature Range Tstg -55 to +125 -55 to +125 ℃ *1 Reduced by 9.0 mW/℃ over 25℃, when installed on the standard board (size: 70×70×1.6mm) for (BD3403FV). *2 Reduced by 9.5 mW/℃ over 25℃, when installed on the standard board (size:70×70×1.6mm) for (BD3861FS,BD3883FS). ●Operating voltage range Prameter Symbol Ratings Unit Vcc 6.5 to 9.5 V BD3403FV BD3861FS BD3883FS www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 1/15 2010.10 - Rev.A Technical Note BD3403FV,BD3861FS,BD3883FS IQ - 16.0 30.0 mA At no signal Output Voltage Gain GV -1.5 0.0 1.5 dB GV20log(VOUT/VIN) Total Harmonic Distortion ratio THD - 0.02 0.08 % 400 to 30kHz BPF Maximum Output Voltage VOM 2.0 2.5 - Vrms THD1% Output Noise Voltage VNO - 1.8 6.0 µVrms Rg0kΩ, IHF-A CT - 3.0 9.0 µVrms GV6 5 6 7 dB Input Voltage Gain 1 GvmaxI1 -1 *2 +1 dB Input Voltage Gain 2 GvmaxI2 -1.5 *2 +1.5 dB Input Gain Switching Step Input Total Harmonic Distortion ratio Input Maximum Output Voltage GvmaxIst - 2 - dB Rg0kΩ, IHF-A VIN200mVrms GV620log(VOUT/VIN) VIN200mVrms, From 0 to 10dB GvmaxI1=20log(VOUT/VIN) VIN200mVrms From 12 to 26dB GvmaxI220log(VOUT/VIN) From 0 to 26dB THDI - 0.02 0.08 % 400 to 30kHz BPF VOMI 2.0 2.5 - dB THD1% Cross-talk between Selectors CS - -80.0 -70.0 dB Input Impedance RI 35.0 50.0 65.0 kΩ E Input SW Attenuation GRE - -20.0 -15.0 dB Input Volume 1 GIV1 -2 *3 +2 dB GIVst1 - 2 - dB GOV -1 *1 +1 dB Output Switching Step GOVst - 1 - dB From 0 to –59dB Gov=20log(VOUT/VIN) From 0 to –59dB Maximum attenuation GminO - - -90.0 dB IHF-A, GminO=20log(VOUT/VIN) Surround Gain CH1→CH2 Gsur1 5 7 9 dB VIN=200mVrms, f=1kHz Surround Gain CH2→CH1 Gsur2 5 7 9 dB VIN=200Vrms, f=1kHz Bass Boost Gain GBB -2 *1 +2 dB Bass Cut Gain GBC -2 *1 +2 dB Bass Switching Step GBST - 2 - dB Middle Boost Gain GMB -2 *1 +2 dB Middle Cut Gain GMC -2 *1 +2 dB Middle Switching Step GMST - 2 - dB Treble Boost Gain GTB -2 *1 +2 dB Treble Cut Gain GTC -2 *1 +2 dB Treble Switching Step GTST - 2 - dB Microphone Voltage Gain GMIC 4.5 6.0 7.5 dB TOTAL Circuit Current OUTPUT INPUT VOLUME VOLUME Condition SURROUND ●Electrical characteristics ◎BD3403FV VCC=9V, f=1KHz, VIN=1Vrms, Rg=600Ω, RL=10kΩ, Ta=25℃, Input Gain=0dB, VOL=0dB, Bass, Middle, Treble=0dB, Surround=OFF, unless otherwise noted. Limits Parameter Symbol Unit Min. Typ. Max. Cross-talk between Channels MIC TREBLE MIDDLE BASS INPUT 6dBSW Gain Volume Switching Step 1 Output Volume Rg=0kΩ, IHF-A CS20log(VOUT/VIN) RI51k×VOUT/ (VIN-VOUT) GRE20log(VOUT/VIN) From 0 to -30dB GIV120log(VOUT/VIN) From 0 to -30dB VIN=200mVrms, f=90Hz, From 0 to 14dB GBB=20log(VOUT/VIN) VIN=200mVrms, f =90Hz, From –14 to 0dB GBC=20log(VOUT/VIN) VIN=200mVrms, f=90Hz VIN=200mVrms, From 0 to 12dB GMB=20log(VOUT/VIN) VIN=200mVrms, From -12 to 0dB GMC=20log(VOUT/VIN) VIN=200mVrms VIN=200mVrms, f=10kHz From 0 to 12dB GTB=20log(VOUT/VIN) VIN=200mVrms, f=10kHz From -12 to 0dB GTC=20log(VOUT/VIN) VIN=200mVrms, f=10kHz VIN=200mVrms GMIC=20log(VOUT/VIN) *1 *2 Typ. is set to the value descrived in condition. Min. and Max. mean the error. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 2/15 2010.10 - Rev.A Technical Note BD3403FV,BD3861FS,BD3883FS BD3861FS VCC=9V, f=1KHz, VIN=1Vrms, Rg=600Ω, RL=10kΩ, Ta=25℃, Input Gain=0dB, VOL=0dB, Bass, Middle, Treble=0dB, unless otherwise noted. Limits Parameter Symbol Unit Min. Typ. Max. Circuit Current TOTAL Output Voltage Gain INPUT INPUT VOLUME OUTPUT VOLUME BASS MIDDLE TREBLE 13.0 26.0 mA At no signal GV -1.5 0.0 1.5 dB GV=20log(VOUT/VIN) THD - 0.02 0.08 % 400 to 30kHz BPF Maximum Output Voltage VOM 2.0 2.5 - Vrms Output Noise Voltage VNO - 8.0 15.0 µVrms CT - -80 -70 dB GV6 5 6 7 dB Input Voltage Gain 1 GvmaxI1 -1 *1 +1 dB Input Voltage Gain 2 GvmaxI2 -1.5 *1 +1.5 dB Input Gain Switching Step GvmaxIst - 2 - dB Rg=0kΩ, IHF-A VIN=200mVrms GV6=20log(VOUT/VIN) VIN=200mVrms From 0 to 10dB GvmaxI1=20log(VOUT/VIN) VIN=200mVrms, From 12 to 26dB GvmaxI2=20log(VOUT/VIN) From 0 to 26dB Input Total Harmonic Distortion THDI - 0.02 0.08 % 400 to 30kHz BPF Input Maximum Output Voltage VOMI 2.0 2.5 - dB THD=1% 6dB SW Gain MIC - Total Harmonic Distortion Cross-talk between Channels *1 IQ Condition THD=1% Rg=0kΩ, IHF-A Cross-talk between Selectors CS - -80.0 -70.0 dB Rg=0kΩ, IHF-A CS=20log(VOUT/VIN) Input Impedance RI 35.0 50.0 65.0 kΩ RI=51k×VOUT/ (VIN-VOUT) E Input SW Attenuation GRE - -20.0 -15.0 dB Input Volume 1 GIV1 -2 *1 +2 dB Input Volume 2 GIV2 -3 *1 +3 dB Volume Switching Step 1 GIVst1 - 2 - dB GRE=20log(VOUT/VIN) From 0 to -50dB GIV1=20log(VOUT/VIN) From -54 to –70dB GIV2=20log(VOUT/VIN) From 0 to -50dB Volume Switching Step 2 GIVst2 - 4 - dB From -54 to –70dB Maximum attenuation GminI - - -90.0 dB Output Volume GOV -1 *1 +1 dB Output Switching Step GOVst - 1 - dB Maximum attenuation GminO - - -90.0 dB Bass Boost Gain GBB -2 *1 +2 dB Bass Cut Gain GBC -2 *1 +2 dB Bass Switching Step GBST - 2 - dB IHF-A, GminI=20log(VOUT/VIN) From 0 to –59dB Gov=20log(VOUT/VIN) From 0 to –59dB IHF-A GminO=20log(VOUT/VIN) VIN=200mVrms, f=90Hz, From 0 to 14dB GBB=20log(VOUT/VIN) VIN=200mVrms, f =90Hz, From -14 to 0dB GBC=20log(VOUT/VIN) VIN=200mVrms, f=90Hz Middle Boost Gain GMB -2 *1 +2 dB Middle Cut Gain GMC -2 *1 +2 dB Middle Switching Step GMST - 2 - dB Treble Boost Gain GTB -2 *1 +2 dB Treble Cut Gain GTC -2 *1 +2 dB Treble Switching Step GTST - 2 - dB Microphone Voltage Gain GMIC 4.5 6.0 7.5 dB VIN=200mVrms, From 0 to 12dB GMB=20log(VOUT/VIN) VIN=200mVrms, From -12 to 0dB GMC=20log(VOUT/VIN) VIN=200mVrms VIN=200mVrms, f=10kHz From 0 to 12dB GTB=20log(VOUT/VIN) VIN=200mVrms, f=10kHz From -12 to 0dB GTC=20log(VOUT/VIN) VIN=200mVrms, f=10kHz VIN=200mVrms GMIC=20log(VOUT/VIN) Typ. is set to the value descrived in condition. Min. and Max. mean the error. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 3/15 2010.10 - Rev.A Technical Note BD3403FV,BD3861FS,BD3883FS TOTAL BD3883FS Ta=25℃, VCC=8V, f=1kHz, Vi=200mVrms, RL=10kΩ, Rg=600Ω, Input Selector=Ach, Input Gain=0dB, Volume=0dB, Bass=0dB, Middle=0dB, Treble=0dB, Surround=OFF, RECOUT=OFF, unless otherwise noted. Limits Parameter Symbol Unit Min. Typ. Max. Circuit Current IQ - 8 21 mA Total Output Voltage Gain Gv -2 0 2 dB Total Harmonic Distortion THDO - 0.01 0.1 % Maximum Output Voltage Vomaxo 1.6 2.1 - Vrms Vno - 2 10 µVrms Total Output Noise Voltage Vmno - 4 15 µVrms Cross-talk between Channels CTC12 - -80 -70 dB Rin 70 100 130 kΩ Output Impedance Rout - - 50 Ω Cross-talk between Selectors CTS1 - -80 -70 dB VOUT=1Vrms Rg=0Ω, BW=IHF-A Volume Control Range VRI -90 -87 -84 dB BW=IHF-A ,Vout=1Vrms Volume Setting Error 1 VEI1 -2 0 2 dB Volume Setting Error 2 VEI2 -3 0 3 dB Maximum Attenuation Vmin - - -90 dB Volume Input Impedance Rvin 39 56 73 kΩ Total Residual Noise Voltage Bass Gain Gb Bass Gain Setting Error BE MIDDLE Middle Gain Gm Middle Gain Setting Error ME TREBLE Treble Gain Gt Treble Gain Setting Error TE -2 0 2 dB SURROUND VOLUME INPUT Input Impedance Surround In-phase Gain Vsur1 -2 0 2 dB Surround Single-phase Gain Vsur2 4.3 6.3 8.3 dB Opposite-phase Gain Vsur3 8 10 12 dB BASS Condition -17.5 to +17.5 -2.5 0 0 BW=400 to 30kHz THD=1% BW=400 to 30kHz Rg=0Ω, Vol=-∞dB BW=IHF-A, REAR ATT=-10dB Rg=0Ω, Vol=0dB BW=IHF-A Rg=0Ω, BW=IHF-A VOUT=1Vrms 0 to -53dB,BW=IHF-A VOUT=1Vrms -54 to –87dB,BW=IHF-A VOUT=1Vrms BW=IHF-A VOUT=1Vrms dB -2.5 -14 to +14 -2 At no signal dB dB -2 -14 to +14 dB dB AC-grounding ● This IC is not designed to be radiation-resistant. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 4/15 2010.10 - Rev.A Technical Note BD3403FV,BD3861FS,BD3883FS ●Control signal specifications 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. 1byte=8bit SC (CLOCK) 90% tsu 90% 10% thd SI DATA LATCH 90% twd ts th 90% DATA 90% 90% 10% 10% twc twc tsd ts1 90% 90% twd DATA 10% 10% thd 10% th1 90% tw1 LATCH Low Fig.1 Parameter Limits Symbol Min. Typ. Max. Unit Minimum Clock Width twc 2.0 - - µs Minimum Data Width twd 2.0 - - µs Minimum Latch Width tw1 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) ts1 1.0 - - µs Latch Hold Time (DATALATCH) th1 1.0 - - µs Latch Low Set-up Time ts 1.0 - - µs Latch Low Hold Time th 1.0 - - µs 2. Voltage Conditions for Control Signals (BD3403FV, BD3861FS) Parameter Limits Condition Min. Typ. Max. Unit “H” Input Voltage Vcc=6.5 to 9.5V 2.6 - 5.5 V “L” Input Voltage Vcc=6.5 to 9.5V 0 - 1.1 V 3. Voltage Conditions for Control Signals (BD3883FS) Parameter Limits Condition Min. Typ. Max. Unit “H” Input Voltage Vcc=6.5 to 9.5V 2.2 - 5.5 V “L” Input Voltage Vcc=6.5 to 9.5V 0 - 1.0 V www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 5/15 2010.10 - Rev.A Technical Note BD3403FV,BD3861FS,BD3883FS ●Control data format list (BD3403FV) Address 1 D10 D11 D12 OUTPUT Volume 1 Address 2 D20 D13 D21 D22 D31 D32 Input Selector Address 4 D40 D23 D41 D42 D24 D33 D34 6dB SW 0: 0dB 1:+6dB IN E MUTE 0:OFF 1:ON D43 D51 D52 D11 D12 OUTPUT Volume Address 2 D20 D25 D44 D53 D54 D35 D14 D45 D22 D23 D24 1 D55 D31 D32 D15 Input Selector Address 4 D40 D41 D42 D33 D34 IN E MUTE 0:OFF 1:ON D43 D44 Address 5 D50 D51 D52 Middle/Treble www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. D53 D54 0: Middle 1: Treble 6/15 Function Select 0 1 D47 Function Select 0 1 D57 Function Select 1 1 D17 Function Select 0 0 D25 D26 D35 D27 Function Select 1 0 D36 0 D45 0: Input Gain 1: Bass Input Gain/Bass D37 D16 0 6dBSW 0: 0dB 1:+6dB 0 D56 0 INPUT Volume Address 3 D30 Function Select 1 D46 OUTPUT Volume 2 D21 D27 D36 0 0: Middle 1: Treble D13 D17 D26 0 0: Input Gain 1: Bass Middle/Treble (BD3861FS) Address 1 D10 D16 Function Select 0 0 Surround 0:OFF 1:ON Input Gain/Bass Address 5 D50 D15 OUTPUT Volume 2 INPUT Volume Address 3 D30 D14 D37 Function Select 0 1 D46 1 D55 D47 Function Select 0 1 D56 0 D57 Function Select 1 1 2010.10 - Rev.A Technical Note BD3403FV,BD3861FS,BD3883FS (BD3883FS) ・Basic Configuration of Control Data Format Data input direction MSB D9 D8 D7 LSB D6 Data D5 D4 D3 D2 D1 Data Select Address ・Control Data Formats Data input direction Select Address D9 D8 Data(1) D0 D7 D6 Input Gain D9 D8 Data(2) D5 D7 D8 Data(3) D6 D5 D7 D8 Data(4) D2 D6 D5 D1 D0 0 0 D2 D1 D0 * 0 1 D2 D1 D0 1 0 Treble fc D4 D3 Front Volume B Bass Gain D9 D3 Input Selector Front Volume A D9 D4 D4 D3 Treble Gain D7 D6 Middle Gain D5 D4 D3 D2 D1 D0 Time Constan t Select REC OUT Surroun d Rear Volume 1 1 ○* indicates 0 or 1. ・By changing the setting of Select Address, four different control formats are selectable. (BD3883FS) ・At power-on sequence, initialize all data. Example: Data input direction MSB LSB MSB Data(1) L Data(2) LSB MSB L Data(3) LSB MSB L Data(4) LSB L “L” means a “latch.” ・After power-on, for the second and subsequent times, only the necessary data can be selected for setting. Example: When changing the volume: Data input direction MSB LSB Data(2) L “L” means a “latch.” ・RECOUT, Surround and Rear Volume in Data(4) are Soft-switched using time constants. (BD3883FS) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 7/15 2010.10 - Rev.A 1 2 0dB ～ -30dB Vcc/2 Vcc/2 Surround 10µ 10µ 3 4 Treble -12dB～+12dB 2dB/STEP Treble1 Treble2 fc=10kHz fc=10kHz 37 5 6 25K 10µ 33 7 25K 25K 10µ 8 25K 25K 10µ 9 25K 25K 10µ 10µ 11 25K 25K 10µ 12 25K 25K 29 Bass2 fo=90Hz 30 0～26dB 2dB/STEP 25K 10 3.3K Bass -14dB～+14dB 2dB/STEP 25K 31 Bass1 fo=90Hz 32 0～26dB 2dB/STEP Middle1 fo=1kHz 34 Middle -12dB～ +12dB 2dB/STEP 25K 35 Middle2 fo=1kHz 36 + 38 + 39 + 40 + 2.2K + 0.15µ 0.15µ + 1µ 3.3K 3.3K 3.3K 4700p 4700p 0.015µ 0.015µ 0.015µ 0.015µ 0.15µ 0.15µ 10µ 13 25K 25K 28 10µ 26 14 25K 25K 15 25K 25K 0dB～-59dB 1dB/STEP MUTE 27 10µ 10µ 10µ 4.7K 10µ 4.7K 25 16 100K 10µ 24 10µ 17 Vcc/2 47µ + + + 8/15 + - www.rohm.com + - UNIT + + + © 2010 ROHM Co., Ltd. All rights reserved. + + + + - + 23 + 10µ 18 + - + 19 22 Logic + 21 20 Vcc + 47µ BD3403FV,BD3861FS,BD3883FS Technical Note ●Block diagram, application circuit, pin assignment (BD3403FV) RESISTANCE : Ω CAPACITANCE : F Fig.2 2010.10 - Rev.A 32 ～ 0dB © 2010 ROHM Co., Ltd. All rights reserved. www.rohm.com Vcc/2 29 Treble2 fC=10kHz Treble1 fC=10kHz 9/15 A1 A2 B1 B2 C1 C2 D1 D2 E1 10 4.7K 4.7K E2 10µ ＋ 10µ ＋ 10µ ＋ 10µ ＋ 10µ ＋ 10µ ＋ 10µ 6 ＋ 10µ 7 ＋ 5 11 MIC 10µ ＋ 10µ 8 ＋ 4 ～ 0dB 12 Vcc/2 Vcc/2 -59dB 47µ ＋ 10µ 9 ＋ 3 100K 0.15 µ 21 Bass1 f0=90Hz 12K 2 25K 25K 25K 25K 25K 25K 25K 25K 25K 25K 22 0.15 µ 3.3K 20 10µ 13 ＋ 1 25K 25K 25K Middle1 f 0 =1kHz 23 25K 24 0.015 µ 25K Middle2 f 0=1kHz 25 0.015 µ 25K ＋ 25K 26 0.015 µ 3.3K 24K 25K Vcc/2 Vcc/2 27 28 0.015 µ 3.3K 0.15 µ 18 15 CLOOK Logic Vcc/2 0dB ～ - 59dB Bass2 f 0=90Hz DATA LATCH 14 19 0.15 µ 3.3K 17 Vcc 16 Vcc/2 47µ 10µ ＋ 25K ＋ Vcc/2 Vcc/2 Vcc/2 30 4700p ＋ -70dB + + 4700p OUT2 ＋ 25K 31 10µ 10µ OUT1 BD3403FV,BD3861FS,BD3883FS Technical Note (BD3861FS) UNIT RESISTANCE : Ω CAPACITANCE : F Fig.3 2010.10 - Rev.A Technical Note BD3403FV,BD3861FS,BD3883FS (BD3883FS) When using RECOUT: 5.6k 5.6k 5.6k 5.6k VCC 32 31 REC1 0.01 µ 0.01µ 0.01µ 0.01µ 0.1 µ 29 30 REC2 28 MOUT1 MNF1 27 MNF2 26 M OUT2 25 BNF1 Middle1 f0 =1kHz 0.1 µ 0.1 µ 24 BOUT1 Bass1 f0 =80Hz Treble1 Treble1 fc=8.15kHz fc=8.15kHz 23 4.7 µ 22 B OUT2 BNF2 4.7 µ 21 OUT1 0.33 µ 19 20 OUT2 CAP 18 VCC SI 17 SC Logic Middle1 f0 =1kHz Surround 0.1 µ ATT 0,-10dB 4.7 µ ATT 0,-10dB 4.7 µ Bass2 f0 =80Hz 0,6,12,16,20,23,26,29dB Vcc/2 0,6,12,16,20,23,26,29dB Vcc/2 Vcc/2 35k 0dB ～ ～ - 87dB - 87dB 100k 100k 100k 100k 100k 100k 2 0.22 µ SEL１ VIN2 3 SEL2 A１ 4 0.22 µ 5 A2 6 0.1 µ B１ 7 0. 1 µ 0.1 µ B2 8 C１ 10 9 0.1 µ C2 0.1 µ 0.1 µ D１ 11 0.1 µ D2 12 65k Vcc/2 VIN１ 1 65k Vcc/2 100k - ∞ 100k - ∞ 35k Vcc/2 0dB E１ 13 E2 FILTER GND 14 15 0.1 µ 0.1 µ 4.7k 4.7k 16 10 µ 0.1 µ UNIT RESISTANCE: Ω CAPACITOR: F Fig.4 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 10/15 2010.10 - Rev.A Technical Note BD3403FV,BD3861FS,BD3883FS (BD3883FS) When using 2ndHPF: 5.6k 56k 32 5.6k 5.6k 0.01µ 0.01µ 0.01µ 0.01µ 0.1µ 56k 31 29 30 28 0.1µ 0.1µ 25 26 27 5.6k VCC 0.1µ 4.7µ 23 24 22 4.7µ 21 0.33µ 19 20 REC1 REC2 MNF1 MOUT1 MNF2 MOUT2 BNF1 BOUT1 BNF2 BOUT OUT1 OUT2 CAP Treble1 fc=8.15kHz SI 17 SC Logic ATT 0,-10dB Bass1 f0=80Hz Middle2 f0=1kHz Surround VCC ATT 0,-10dB Middle1 f0=1kHz 18 Bass2 f0=80Hz Treble2 fc=8.15kHz 0,6,12,16,20,23,26,29d Vcc/2 0,6,12,16,20,23,26,29d Vcc/2 B Vcc/2 VIN 1 SEL 1 1 2 0.1µ 0.1µ 35k 100k 100k 65k VIN2 3 A１ SEL 4 5 B１ A2 6 0.1µ 0.1µ 100k Vcc/2 65k Vcc/2 100k -∞ 100k - -∞ 100k ～ -87dB 100k ～ - -87dB 100k 0dB 35k Vcc/2 0dB 7 0.1µ 0.1µ C１ B2 8 0.1µ C2 10 9 0.1µ D１ 11 0.1µ 0.1µ D2 12 0.1µ E１ 13 E2 14 FILTER GND 15 0.1µ 16 10µ 0.1µ 4.7k 4.7k UNIT RESISTANCE:Ω CAPACITOR:F Fig.5 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 11/15 2010.10 - Rev.A Technical Note BD3403FV,BD3861FS,BD3883FS ●Reference data 15 15 10 8 6 4 ICC(mA) GAIN(dB) 10 ICC(mA) 10 5 5 2 0 -2 -4 -6 -8 0 0 0 2 4 6 8 -10 10 0 2 4 VCC(V) Fig.6 Circuit Current – Supply Voltage (BD3403FV) 10 10 100 1000 10000 100000 FREQUENCY(Hz) Fig.8 Voltage Gain - Frequency 10 10 1 1 0.1 1 THD+N(%) THD+N(%) OUTPUT VOLTAGE(Vrms) 8 Fig.7Circuit Current – Supply Voltage (BD3883FS) 10 0.1 0.01 0.1 0.01 0.001 0.001 0.01 0.1 1 0.01 0.001 10 INPUT VOLTAGE(Vrms) Fig.9 Output Voltage - Input Voltage 0.01 0.1 1 0.001 0.001 10 OUTPUT VOLTAGE(Vrms) Fig.10 Total Harmonic Distortion ratio Output Voltage (BD3403FV, BD3861FS) 15 5 5 0 -14dB～+14dB 2dB/step -5 -10 0 -5 1000 -12dB～ +12dB 2dB/step 5 0 -5 -10 -12dB -12dB -15 100 10000 100000 -15 10 FREQUENCY(Hz) 100 1000 10000 100000 FREQUENCY(Hz) Fig.12 Bass Gain - Frequency （BD3403FV, BD3861FS） 10 +12dB 10 -10 10 1 15 +12dB -12dB～ +12dB 2dB/step -14dB -15 0.1 Fig.11Total Harmonic Distortion ratio Output Voltage (BD3883FS) GAIN(dB) 10 GAIN(dB) 10 0.01 OUTPUT VOLTAGE(Vrms) 15 +14dB GAIN(dB) 6 VCC(V) Fig.13 Middle Gain - Frequency (BD3403FV, BD3861FS) 10 100 1000 10000 100000 FREQUENCY(Hz) Fig.14 Treble Gain - Frequency (BD3403FV, BD3861FS) 16 4.68kHz 14 12 0 -2 -4 10 8 6.67kH 6 8.15kH 4 GAIN(dB) GAIN(dB) 2 5.64kHz -6 -8 -10 -12 -14 2 -16 -18 0 10 100 1000 10000 100000 FREQUENCY(Hz) 10 100 1000 10000 10000 0 FREQUENCY(Hz) Fig.15 Variable Treble Cut-off Frequency (BD3883FS) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. Fig.16 2ndHPF - Frequency (BD3883FS) 12/15 2010.10 - Rev.A Technical Note BD3403FV,BD3861FS,BD3883FS ●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) GND potential Ensure a minimum GND pin potential in all operating conditions. Make sure that no pins are at a voltage below the GND at any time, regardless of whether it is a transient signal or not. 5) Thermal design Perform thermal design, in which there are adequate margins, by taking into account the permissible 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) 2-wire serial control Because SC and SI terminals are designed for inputting high-frequency digital signals, wiring and layout patterns should be routed as not to cause interference with the analog-signal-related lines. 9) E Input external resistance (BD3883FS) To avoid a sudden noise into E Input, external resistance (4.7kΩ) should be connected as close as possible to the IC terminal. 10) Function switching Action to absorb shock sounds is taken when switching between the Volume, Treble, Middle and Bass functions. 11) Power-ON Reset (BD3883FS) A built-in circuit for performing initialization inside the IC at Power-ON is provided. Specifically, the initial states are set as described in the table below. In the case of the setting design, however, to be on the safe side, it is recommended that data shall be sent to all the addresses as initial data at power-ON and, until this sending operation is completed, MUTE shall be applied. To avoid malfunctions, serial data signals must be set to the Low state at power-ON/OFF. Function Input Selector Initial State MUTE Input Gain 0 dB RECOUT OFF Volume ∞dB Surround OFF Treble 0 dB Middle 0 dB Bass 0 dB Rear Volume 0dB 12) Step switching noise (BD3883FS) For Surround and Rear Volume, an external capacitor C is attached to the CAP pin to control the switching step noise. In the application circuit, a constant value, as an example, is shown by the CAP pin. The time constant for charge/discharge of the capacitor C (varying between VBE to 5VBE (2.65V)) controls the slow switching operation. The switching time constant T is calculated as the follows: 5 T=2.55×10 ×C VBE has temperature characteristics and may affect the value of the time constant T. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 13/15 2010.10 - Rev.A Technical Note BD3403FV,BD3861FS,BD3883FS 13) Input Selector and Input Gain When changing Input Selector or Input Gain, the Soft-switching is not applied. Therefore, it is recommended to implement the MUTE function. MUTE setting example L=ON H=OFF MUTE SERIAL DATA SERIAL DATA 40～60ms INPUT SOURCE SWITCHING Fig.17 14) Constraints of serial control (BD3883FS) On Soft-switching of the RECOUT, Surround, and Rear Volume functions, data must not be sent serially to the functions before the switching operation is completed. If the function for Soft-switch should serially send the data (Data(4)) on the same Select Address, the time interval between the send operations must be set to 500 -600msec. Direction Data(4) Data(4) T Fig.18 15) Function setting while muting Volume (BD3883FS) While muting Volume, to avoid increasing residual noise, set Bass, Middle and Treble to 0dB, Surround to OFF, and Rear Volume to -10dB. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 14/15 2010.10 - Rev.A Technical Note BD3403FV,BD3861FS,BD3883FS ●Ordering part number B D 3 Part No. 4 0 3 F Part No. 3403 3861,3883 V - Package FV: SSOP-B40 FS: SSOP-A32 E 2 Packaging and forming specification E2: Embossed tape and reel SSOP-B40 <Tape and Reel information> 13.6 ± 0.2 (MAX 13.95 include BURR) 0.5 ± 0.2 1 2000pcs Direction of feed E2 The direction is the 1pin of product is at the upper left when you hold ( reel on the left hand and you pull out the tape on the right hand ) 20 0.15 ± 0.1 0.1 1.8 ± 0.1 Embossed carrier tape Quantity 21 5.4 ± 0.2 7.8 ± 0.3 40 Tape 0.1 S 0.65 0.22 ± 0.1 0.08 M 1pin Reel (Unit : mm) Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. SSOP-A32 <Tape and Reel information> 13.6 ± 0.2 (MAX 13.95 include BURR) 17 Tape Embossed carrier tape Quantity 2000pcs Direction of feed 0.3MIN 5.4±0.2 7.8±0.3 32 1 E2 The direction is the 1pin of product is at the upper left when you hold ( reel on the left hand and you pull out the tape on the right hand ) 16 0.11 1.8±0.1 0.15 ± 0.1 0.36 ± 0.1 0.1 0.8 1pin (Unit : mm) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. Reel 15/15 Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. 2010.10 - 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. 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