Datasheet > NSC6273

NSC6273

更新时间： 2024-04-09 19:00:30

品牌	Logo	应用领域
纳芯微 - NOVOSENSE		放大器
页数	文件大小	规格书
6页	342K
描述
NSC6272/NSC6273是MEMS麦克风的前置放大器。NSC6272/NSC6273具有集成的低噪声偏置MEMS麦克风电路，以及高性能模拟前置放大器，可提供真正的声音质量并支持灵活的麦克风系

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NSC6273 数据手册

NSC6273

MEMS Microphone Preamp

Datasheet (EN) 1.0

 Operationtemperature:-40℃~85℃

 Package:Chip(Wafer)

Product Overview

The NSC6273 is a pre-amplifier for MEMS Microphone.

The NSC6273 has integrated low noise bias circuit for

MEMS microphone, and high performance analog pre-

amplifier deliver the genuine sound quality and support

flexible microphone systems. Both of the bias voltage

and the analog pre-amplifier gain can be trimmed by

the internal fuse banks (OTP), so the NSC6273 can

support MEMS transducers with different parameters. It

also improves the yield and provide better consistency

of sensitivity. The NSC6273 has two output pads for bias

voltage with different location, either of which is chosen

depending on the location of top plate of MEMS

microphone.

Applications

 PortableAudioequipment

 MEMSMicrophonemodule

 CellularPhone

Block Diagrams

Key Features

 Operationvoltage: 2.3V~3.6V

 Currentconsumption:125uAtyp.

 Inputequivalentnoise:4uVrms(-108dBV)

 Maximum output voltage: 780mVrms (-2.2dBV)

@THD<10%

 Gain(OTPTrimming):-4.0dB~11dBwith0.5dB/step

 Frequencyresponse:20Hz~20kHz

 Biasvoltage: 7.5V~16V

Figure 1. NSC6273 Block Diagram

Page 1

12 3 4 5 6

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