Signal Processing Systems : Converters : Analog Devices, Inc. - ADAU7002

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