6ch/9ch Stereo Input Selectors (4.2V max. input) - BD3841FS

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.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Unit Quantity
Minimum Package Quantity
Packing Type
BD3841FS-E2 Active SSOP-A32 2000 2000 Taping Yes
Vcc(Min.)[V] 10.0
Vcc(Max.)[V] 14.6
Iq[mA] 6.0
I/F 2-wire
THD[%] 0.0040
Output Noise[µVrms] 1
Output voltage(Max.)[Vrms] 4.2
Operating Temperature (Min.)[°C] -20
Operating Temperature (Max.)[°C] 75
  • ・2 room entertainment/2 source recording.
    ・6ch volume LSI BD3813KS/BD3815KS can be controlled simultaneously by the serial
        control bus.
    ・7ch volume LSI BD3816K1,BD3817KS with BD3843FS can be controlled simultaneously
        by the serial control bus.
    ・14ch input is available by combining 2chips(BD3843FS and BD3841FS).
    ・Excellent cross-talk characteristics between channels by original pattern layout.
    ・Built-in buffer amplifier.
    ・2-line serial control bus(for both 3.3V and 5V).
    ・Operated by single and dual power sources.
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New Products:
Technical Data
Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.