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2ch/ 6ch Electronic Volume - BD3812F

ROHM's 2ch / 6ch electronic volume ICs feature a wide dynamic range (131dB / 133dB). In addition, two ICs can be paired up via serial bus control for 8ch operation.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number | BD3812F-E2
Status | Active
Package | SOP14
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes

Specifications:

Vcc(Min.)[V]

10.0

Vcc(Max.)[V]

14.6

Iq[mA]

4.0

I/F

2-wire

Outputs

2

Volume Range

0to-103dB 1dB / step

Tone Control Band

-

Input Gain[dB]

-

THD[%]

0.005

Output Noise[µVrms]

1.2

Output voltage(Max.)[Vrms]

4.2

Operating Temperature (Min.)[°C]

-20

Operating Temperature (Max.)[°C]

75

Features:

・Residual noise : 1.2μVrms {dynamic range : 131dB (IHF-A)}
・2ch independent volume (0 to -103dB, MUTE 1dB/step)
・8ch at maximum available in combination of any of BD3811K1, BD3813KS, BD3814FV,
    BD3815KS (6ch volume) in common bus line
・It can be controlled until 4 chips with common bus line at the same time
・Maximum output voltage : 4.2Vrms (Vcc=7, VEE=-7V, RL=10kΩ)
・2-line serial control (for both 3.3V and 5V)
・Built-in Output gain amplifier for adjustment of output signal voltage (0, 6 to 18dB,
    2dB/step)
・Output mute controllable by serial data and external control terminal