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FAN3852: 麦克风预放大器,带数字输出

Datasheet: Microphone Pre-Amplifier with Digital Output
Rev. 3 (682kB)
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FAN3852 集成了预放大器、LDO 和 ADC,会将驻极体电容式麦克风 (ECM) 输出转换为数字脉冲密度调制 (PDM) 数据流。该预放大器从 ECM 接受模拟信号,驱动过采样 sigma delta 模拟-数字转换器 (ADC),然后输出 PDM 数据。该 PDM 数字音频具有噪声抑制优势,还可以与移动电话听筒处理器进行轻松接口。FAN3852 具有集成式 LDO,从高达 3.63V 的系统电源轨供电,功耗仅为 0.85mW,在电源关闭模式下则不到 20µW。
特性
 
  • Optimized for Mobile Handset and Notebook PC Microphone Applications
  • Accepts Input from Electret Condenser Microphones (ECM)
  • Pulse Density Modulation (PDM) Output
  • Standard 5-Wire Digital Interface
  • Low Input Capacitance, High PSR, 20 kHz Pre-Amplifier
  • Low-Power 1.5µA Sleep Mode
  • Typical 420µA Supply Current
  • SNR of 62dB(A) for 16dB Gain
  • Total Harmonic Distortion 0.02%
  • Input Clock Frequency Range of 1-4MHz
  • Integrated Low Drop-Out Regulator (LDO)
  • 1.5kV HBM ESD on MIC Input
应用   终端产品
  • Computing
  • Consumer
 
  • Electret Condenser Microphones with Digital Output
  • Mobile Handset
  • Headset Accessories
  • Personal Computer (PC)
评估/开发工具信息
产品 状况 Compliance 简短说明 行动
FAN3852GEVB Active
Pb-free
FAN3852 Mic Pre-Amp Stereo EVB
Availability & Samples
Specifications
Intaractive Block Diagram
产品
状况
Compliance
具体说明
封装
MSL
容器
预算价格 (1千个数量的单价)
类型
外形
类型
Temperature
类型
数量
FAN3852UC16X Active
Pb-free
Halide free
FAN3852 WLCSP-6 567TS 1 260 Tape and Reel 3000 $0.1733
市场订货至交货的时间(周) : Contact Factory
ON Semiconductor   (2020-09-02 00:00) : 201,000

Product
Description
Pricing ($/Unit)
Compliance
Status
Function
Control Type
fs Max (kHz)
Power Dissipation Max (mW)
Supply Voltage Min (V)
Supply Voltage Max (V)
Operating Temp Min (°C)
Operating Temp Max (°C)
Package Type
FAN3852UC16X  
 $0.1733 
Pb
H
 Active   
Digital Audio Interface Receiver
None
.
.
.
.
.
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WLCSP-6
外形
567TS   
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