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BD3812F-E2 Folha de dados(PDF) 1 Page - Rohm

Nome de Peças BD3812F-E2
Descrição Electrónicos  2ch Electronic Volume
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Fabricante Electrônico  ROHM [Rohm]
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2010.06 - Rev.A
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Sound Processors for Home Theater Systems
2ch
Electronic Volume
BD3812F
Description
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 (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
Applications
AV receivers, home theater systems, mini-component systems, etc.
Absolute maximum ratings (Ta=25℃)
Parameter
Symbol
Ratings
Unit
Powewr supply voltage
VCC
7.5
*1
V
VEE
-7.5
Input signal voltage
VIN
VCC+0.3 to VEE-0.3
V
Power dissipation
Pd
450
*2
mW
Operating temperature range
Topr
20 to +75
Storage temperature range
Tastg
55 to +125
*1
Even in the specified range of Power Supply Voltage, applying voltage only to the VCC side may
cause an excessive current to give a permanent damage to the IC.
When starting up power supplies, VEE and VCC should be powered on simultaneously or VEE first; then followed by VCC.
*2
Over Ta=25°C, reduce at the rate of 4.5mW/°C. When installed on the standard board (size: 70x70x1.6mm).
Operating conditions
It must function normally at Ta=25°C.
Parameter
Symbol
Ratings
Unit
Min.
Typ.
Max.
Operating source voltage
VCC
5
7
7.3
V
VEE
-7.3
-7
-5
No.10081EAT03


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