BD3812F - Rohm

BD3812F 2ch Electronic Volume

BD3812F is an electronic volume having volume, gain amplifier functions necessary for applications in AV receivers, home theatre systems, min-component systems and so forth. Having a chip select terminal, it can be controlled until 4 chips with common bus line. ●Features 1) Residual noise : 1.2µVrms {dynamic range : 131dB (IHF-A)} 2) 2ch independent volume .

Features

1) Residual noise : 1.2µVrms {dynamic range : 131dB (IHF-A)} 2) 2ch independent volume (0 to -103dB, MUTE 1dB/step) 3) 8ch at maximum available in combination of any of BD3811K1, BD3813KS, BD3814FV, BD3815KS (6ch volume) in common bus line 4) It can be controlled until 4 chips with common bus line at the same time 5) Maximum output voltage : 4.2Vrms (Vcc=7, VEE=-7V, RL=10kΩ) 6) 2-line serial control (for both 3.3V and 5V) 7) Built-in Output gain amplifier for adjustment of output signal voltage (0, 6 to 18dB, 2dB/step) 8) Output mute controllable by serial data and external control terminal
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