BD3812F
2ch/6ch电子音量控制器

罗姆的2ch/6ch电子音量控制器是实现了131dB/133dB的宽动态范围的电子音量控制器。以两线串行BUS控制的组合使用时,可实现最大8ch音量。

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* 本产品是标准级的产品。
本产品不建议使用于车载设备。

主要规格

 
型号 | BD3812F-E2
Status | 推荐品
封装 | SOP14
包装数量 | 2500
最小独立包装数量 | 2500
包装形态 | Taping
RoHS | Yes

特性:

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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特点:

  • 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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