BD3490FV
内置2频段均衡器的声音处理器

内置2频段均衡器的声音处理器消耗电流低,支持4.75V~9.5V的动作电源电压。适用于BOOM BOX的语音控制。罗姆的声音处理器兼顾了音质和易用性。

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* 本产品是标准级的产品。
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主要规格

 
型号 | BD3490FV-E2
Status | 推荐品
封装 | SSOP-B28
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 4

Input Gain (dB/Ad-Sw)

+20~0/-

Vcc(Min.)[V]

4.75

Vcc(Max.)[V]

9.5

Iq[mA]

7

Tone Control Band

BASS, Treble

Volume (ch/Ad-Sw)

2/-

Volume Range/Step (dB/dB)

0~-87, -∞/1

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

I

Output Voltage (V, typ)

2.4

THD+N (dB)

0.002

EQ (number of Band)

2

Output Noise[µVrms]

5

Surround

Yes

I/F

I2C

Power Supply Voltage (V)

4.75~9.5

Temperature (Min.)[°C]

-40

Temperature (Max.)[°C]

85

Package Size [mm]

10x7.6 (t=1.35)

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特点:

  • Low noise (5μVrms(TYP.)) and low distortion(0.002% (TYP.)).
  • Built-in simple surround. Furthermore, it can constitute good surround of sound image normal position with an external part.
  • It can constitute a bass boost or output gain with an external part.
  • When the volume setting exchanging, it can use a volume terminal as a microphone input terminal because there is not an impedance change of a volume terminal.
  • 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.
  • The package of this IC is SSOP-B28. It gathers a sound input terminals, sound output terminals respectively and it arranges them, to be arranging facilitates the laying-out of PCB pattern and reduces PCB area to one-way in the flow of the signal.
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