BD3812F
2ch/ 6ch Electronic Volume

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.

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Product Detail

 
Part Number | BD3812F-E2
Status | Recommended
Package | SOP14
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes

Specifications:

Input (ch)

2

Vcc(Min.)[V]

10

Vcc(Max.)[V]

14.6

Iq[mA]

4

Outputs

2

Tone Control Band

-

Volume (ch/Ad-Sw)

2/-

Volume Range/Step (dB/dB)

0~-103, -∞/1

Fader (ch/Ad-Sw)

2/-

Fader Range/Step (dB/dB)

+18~0/2

Output Voltage (V, typ)

4.2

THD+N (dB)

0.005

MUTE Terminal

Yes

Output Noise[µVrms]

1.2

I/F

2-wire

Power Supply Voltage (V)

±5~±7.3

Temperature (Min.)[°C]

-20

Temperature (Max.)[°C]

75

Package Size [mm]

8.7x6.2 (t=1.71)

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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
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