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PCM1870
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PCM1870

  • 所属类别：音频转换器
  • 产品名称：具有麦克风偏置、ALC、声音效果、陷波滤波器的 90dB SNR 低功耗立体声音频 ADC
  • 厂商：TI
  • 生产批号：10+
  • 封装：QFN24
  • 库存状态：有库存
  • 库存量：9000
  • 最低订购量：1
  • 详细资料：点击查找PCM1870的pdf资料
  • 点击询价
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  • Product Introduction

PCM1870

 90dB SNR low-power stereo audio ADC with microphone bias, ALC, sound effects, notch filter

 

illustrate   The PCM1870 is a low-power stereo ADC designed for portable digital audio applications with line-in amplifiers, boost amplifiers, microphone bias, programmable gain control, sound, and automatic level control (ALC). It is available in 24-QFN packages (4 mm× 5 mm) and 24 DSBGA (2.49 mm× 3.49 mm) packages to save footprint. The PCM1870 accepts right-aligned, left-aligned, I2S and DSP formats, making it convenient to connect to audio DSP and encoder chips. Support for sampling rates up to 50 kHz. User programmable functions can be controlled via a 2- or 3-wire serial control port.   characteristic   Simulating the frontend: Stereo single-ended input multiplexer Mono differential input Programmable gain amplifier, stereo Microphone amplifier and bias boost Analog performance dynamic range: ninety decibels Supply voltage Digital I/O section from 1.71 V to 3.6 V 1.71 V to 3.6 V digital core group Analog section from 2.4 V to 3.6 V Low Power Consumption: 13 mW recording, 1.8/2.4 volts, 48 Khz, stereo 5.3 mW recording, 1.8/2.4 volts, 8 kHz, mono 3.3 microwatts in all power outages Sampling frequency: 5 kHz to 50 kHz Automatic water level control recording There is no PLL single clock input in the scheduling System clocks: Common audio clocks (256/384 Fs), 12/24, 13/26, 13.5/27, 19.2/38.4, 19.68/39.36 MHz Serial control lines of 2 (I2C) or 3 (SPI). Programmable functions are controlled via registers:

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