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6ch/9ch Stereo Input Selectors (4.2V max. input)

These multiple-input stereo selectors with buffer amplifiers that correspond to secondary These multi-input stereo selectors integrate a buffer amp that supports secondary audio output. In addition, the ICs are compatible with both + / - and single power supplies, and can be configured in combination with other sound processors. Both 6ch and 9ch models are offered.

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Specifications Part No. Package Features
Six-channel Stereo Input Selector
BD3843FS

SSOP-A24
Nine-channel Stereo Input Selector
BD3841FS

SSOP-A32

Block Diagram

  
 

Features

Supports common bus control with other sound processors
ROHM's entire lineup of sound processors for home theater systems is compatible with 2-wire serial bus control, making it possible to configure a system by combining a six-channel input selector (BD3843FS) with a six-channel electronic volume control IC (BD3814FV), for example, simplifying both software development and circuit board pattern design.
Dual output compatibility enables independent selection of two different media sources
Low distortion (0.0003%) enables faithful reproduction of original audio
High voltage resistance and low noise audio technologies utilized, resulting in a flexible dynamic range (132dB)
Compatible with + / - and single power supplies


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6ch/9ch Stereo Input Selectors (4.2V max. input)

Part No. Supply voltage
(V)		 Circuit current
(mA)		 Output noise
(µVrms)		 Max. output
(Vrms)		 Distortion (%) Selector Serial control Package RoHS
BD3843FS ±4.0 to ±7.3 ±3 1 4.2 0.004 6 2wire SSOP-A24 Yes
BD3841FS ±5.0 to ±7.3 ±3 1 4.2 0.004 9 2wire SSOP-A32 Yes