BD3811K1 Rohm Semiconductor, BD3811K1 Datasheet
BD3811K1
Specifications of BD3811K1
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BD3811K1 Summary of contents
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... BD3811K1,BD3818KS ●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) Implementation of a resistance ladder type circuit reduces residual noise and a shock sound at switching ...
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... BD3811K1 Operating Supply Voltage BD3818KS Operating Supply Voltage ●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.) Parameter VCC Circuit Current ...
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... BD3811K1,BD3818KS Parameter R Output Impedance 1ch R Output Impedance 2ch 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 ...
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... BD3811K1,BD3818KS 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 ...
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... 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.) Parameter Circuit Current Output Voltage Gain 1 Line ...
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... BD3811K1,BD3818KS Parameter Volume Control Range 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 ...
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... Data Hold Time (CLKDATA) Latch Set-up Time (CLKLATCH) Latch Hold Time (DATALATCH) Latch Low Set-up Time Latch Low Hold Time 2. External Mute (Pin48) Voltage (BD3811K1) Parameter Volume Mute OFF Volume Mute ON 3. Voltage Conditions for Control Signals Parameter Min. “ ...
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... BD3811K1,BD3818KS 4. Basic Configuration of Control Data Formats BD3811K1 Data input direction MSB D16 D15 D14 D13 Data ・Control Data Formats Data input direction D16 D15 D14 D13 Data (1) Master Volume Rch D16 D15 D14 D13 Data (2) Master Volume SRch D16 D15 D14 ...
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... BD3811K1,BD3818KS ●Block diagram, application circuit, pin assignment 1) BD3811K1 MD/DAT TAPE 47k 47k L 47k 47k １ 47k VIDEO1 R ２ 47k L ３ 47k VIDEO2 ４ R 47k L ５ 47k TUNER R ６ 47k L ７ 47k PHONO ８ R 47k L ９ CD 47k 10 R 47k L 11 47k 12 R 47k ...
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... BD3811K1,BD3818KS 2) BD3818KS 4700 p 4700 Input Select 61 L 47K 47K 8dB 63 L 47K VCR 64 R Line 47K 65 L 47K AUX 66 R 47K 67 L 47K TUNER 68 Input R Switch 47K LINE 69 L DVD 47K DVDMIX LINE 70 R DVD 47K 71 AGND 72 EXIN 1 47K 73 EXIN 2 47K ...
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... 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) Standard values of R1, R2 (reference) Treble Boost Amount Cut Amount 0dB 2dB 4dB 6dB 8dB 10dB 12dB 14dB *The actual boost cut level may deviate from the standard values in some degree. ...
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... BD3811K1,BD3818KS 2. Bass filter Standard values of R2, R3 (reference) (R1=4.7KΩ, C1=C2=0.1µF） Boost Amount Cut Amount 0dB 2dB 4dB 6dB 8dB ±10dB 12dB 14dB *The actual boost/cut levels may deviate from the standard values in some degree. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. ...
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... FREQUENCY (Hz) Fig.11 Voltage Gain - Frequency LINE (BD3818KS 0.1 0.01 0.001 0.001 0.01 0 INPUT VOLTAGE (Vrms) Fig.14 THD+N - Input Voltage (BD3811K1 0～9dB 3dB/step 100 1000 10000 100000 FREQUENCY (Hz) Fig.17 Input Gain - Frequency (BD3818KS) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. ...
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... FREQUENCY (Hz) Fig.20 Treble Gain - Frequency 6dB～18dB 2dB/step 100 1000 10000 100000 FREQUENCY (Hz) Fig.23 Output Gain – Frequency (BD3811K1) 0 -20 -40 -60 -80 -100 -120 10 100 1000 10000 100000 FREQUENCY (Hz) Fig.26 Cross-talk - Frequency (BD3818KS) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. ...
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... 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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... BD3811K1, BD3818KS ROHM standard board packaging time value Board size 1.6mm Raw material: FR4 glass epoxy board (copper area 3% or below) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved 100 Ta( ℃ ) Fig.29 ...
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... BD3811K1,BD3818KS ●Ordering part number Part No. Part No. 3811 3818 QFP80 24.0±0.3 20.0±0 0.15 0.35±0.1 0.8 SQFP80 16.4±0.3 14.0±0 0.15 0.65 0.3±0.1 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved Package K1: QFP80 KS: SQFP80 <Tape and Reel information> ...
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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 ...