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BD3811K1 Datasheet(PDF) 1 Page - Rohm |
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BD3811K1 Datasheet(HTML) 1 Page - Rohm |
1 / 18 page 1/17 www.rohm.com 2010.06 - Rev.A © 2010 ROHM Co., Ltd. All rights reserved. Sound Processors for Home Theater Systems 5.1ch Sound Processor 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) (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 No.10081EAT02 |
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Descripción similar - BD3811K1_1 |
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