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Signal Processing Systems : Converters : Analog Devices, Inc. - ADAU7002
 
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Stereo PDM to PCM Converter

Model: ADAU7002

  • 64x Decimation of a stereo pulse density modulation (PDM) bit stream to pulse code modulation (PCM) audio data
  • Slave I2S or time division multiplexed (TDM) output interface
  • Configurable TDM slots
  • 64x Output sample rate PDM clock
  • Automatic BCLK ratio detection
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The ADAU7002 converts a stereo PDM bit stream into a PCM output. The source for the PDM data can be two microphones or other PDM sources. The PCM audio data is output on a serial audio interface port in either I2S or TDM format. The ADAU7002 is specified over the commercial temperature range (-40°C to +85°C). It is available in a halide-free, 8-ball, 1.56x0.76mm, wafer level chip scale package (WLCSP). Applications

  • 64x Decimation of a stereo pulse density modulation (PDM) bit stream to pulse code modulation (PCM) audio data
  • Slave I2S or time division multiplexed (TDM) output interface
  • Configurable TDM slots
  • 64x Output sample rate PDM clock
  • Automatic BCLK ratio detection
  • 4 to 96kHz Output sample rate
  • Automatic PDM CLK drive at 64x the sample rate
  • Automatic power down with BCLK removal
  • 0.67mA Operating current at 48kHz and 1.8V IOVDD supply
  • Power-on reset
  • Applications
  • Mobile computing
  • Portable electronics
  • Consumer electronics
 
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