BD3861FS

Sound Processors with Built-in 3-band Equalizer
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BD3861FS

BD3861FS
Sound Processors with Built-in 3-band Equalizer

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.

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Product Detail

 
Part Number | BD3861FS-E2
Status | Recommended
Package | SSOP-A32
Unit Quantity | 2000
Minimum Package Quantity | 2000
Packing Type | Taping
RoHS | Yes

Specifications:

Input (ch)

Stereo 5

Input Gain (dB/Ad-Sw)

+26~0/-

Vcc(Min.)[V]

6.5

Vcc(Max.)[V]

9.5

Iq[mA]

13

Tone Control Band

BASS, Middle, Treble

Volume (ch/Ad-Sw)

2/-

Volume Range/Step (dB/dB)

0~-50/2, -50~-70, -∞/4

[I] Independent from Input Selector / [C] Cascade from Input Selector

I

Rear Volume[dB]

0 to -59 / -∞ (1dB / step)

Output Voltage (V, typ)

2.5

THD+N (dB)

0.02

EQ (number of Band)

3

Mixing Input

E 1

Output Noise[µVrms]

8

I/F

2-wire

Power Supply Voltage (V)

6.5~9.5

Temperature (Min.)[°C]

-25

Temperature (Max.)[°C]

75

Package Size [mm]

13.6x7.8 (t=2.01)

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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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