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Sound Processors with Built-in 3-band Equalizer - BD3861FS

ROHM's sound processors integrate a five-input selector, electronic volume control, a three-band frequency equalizer, microphone input, and surround sound into a single chip and feature a wide dynamic range and a low distortion rate, making them ideally suited for use in portable stereo systems (BOOM BOX) and mini stereo systems.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part number
Status
Package
Unit Quantity
Minimum Package Quantity
Packing Type
RoHS
BD3861FS-E2 Active SSOP-A32 2000 2000 Taping Yes
 
Specifications:
Vcc(Min.)[V] 6.5
Vcc(Max.)[V] 9.5
Iq[mA] 13.0
I/F 2-wire
Volume Range 0to-50 -50to-70 / -∞ (2dB / step) (4dB / step)
Tone Control Band BASS, Middle, Treble
Input Gain[dB] 0to26 (2dB / step)
Rear Volume[dB] 0to-59 / -∞ (1dB / step)
THD[%] 0.02
Output Noise[µVrms] 8
Output voltage(Max.)[Vrms] 2.5
Operating Temperature (Min.)[°C] -25
Operating Temperature (Max.)[°C] 75
Features:
  • ・High S/N,achieved by implementing 2-stage configuration of Front Volume and Rear
        Volume.
    ・Provides surround and rear volume with Soft-switch to reduce a shock sound during
        switching functions(BD3883FS).
    ・Volume and tone implemented with the resistance ladder circuit.
        (to achieve high performance with low noise and low distortion)
    ・Uses the BiCOMS process that achieves low-consumption current,which contributes to an
        energy-saving design.
    ・SSOP-A32 and SSOP-B40 are used for the packages.Input pins and output pins are
        organized and separately laid out to as to keep the signal flows in one direction
        which consequently,simplify pattern layout of the set board and decrease
        the board dimensions.
 
 
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New Products:
 
 
Technical Data
Application Note

Thermal Resistance