BD37512FS
内置2频段均衡器的声音处理器

以提升整机设计效率为目的,实现了控制软件通用化和电路板通用化的系列。内置调节低音和高音音质的2频段均衡器。其滤波器无需外接部件。此外,通过3路输入选择器和音量、4ch独立控制的音量控制器,支持3个音乐来源输入和前、后的Lch/Rch的4通道输出。实现了高性能且外接部件少的省空间设计,适用于标准型整机。

Data Sheet 购买 *
* 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 | BD37512FS-E2
Status | 推荐品
封装 | SSOP-A20
包装数量 | 2000
最小独立包装数量 | 2000
包装形态 | Taping
RoHS | Yes

特性:

Input (ch)

Stereo 3

ISO Input (ch)

Stereo 1

Input Gain (dB/Ad-Sw)

+20~0/-

Vcc(Min.)[V]

7

Vcc(Max.)[V]

9.5

Iq[mA]

15

Outputs

4

Tone Control Band

BASS, Treble

Number of of single input

3

Volume (ch/Ad-Sw)

2/Yes

Volume Range/Step (dB/dB)

0~-40/1

[I] Independent from Input Selector / [C] Cascade from Input Selector

C

Fader (ch/Ad-Sw)

4/Yes

Fader Range/Step (dB/dB)

0~-62, -∞/1

Output Voltage (V, typ)

2.2

THD+N (dB)

0.005

EQ (number of Band)

2

MUTE Terminal

Yes

Output Noise[µVrms]

6

I/F

I2C

Power Supply Voltage (V)

7.0~9.5

Temperature (Min.)[°C]

-40

Temperature (Max.)[°C]

85

Package Size [mm]

8.7x7.8 (t=2.01)

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特点:

  • Reduce switching noise of mute, main volume, fader volume,
    bass, and treble by using advanced switch circuit
    [Possible to control all steps]
  • Built-in ground isolation amplifier inputs,
    ideal for external stereo input.
  • Decrease the number of external components by
    built-in 2-band equalizer filter.
    And, possible to control Gv of 2-band equalizer by
    I²C BUS control.
  • It is possible for the bass, treble to the gain adjustment
    quantity of ±20dB and 1 dB step gain adjustment.
  • Bi-CMOS process is suitable for the design of low current
    and low energy. And it provides more quality for
    small scale regulator and heat in a set.
  • Package is SSOP-A20. Putting input-terminals together and
    output-terminals together can make PCB layout easier
    and can makes area of PCB smaller.)
  • It is possible to control by 3.3V / 5V for I²C BUS.
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