Catalog of Audio converter IPs: sDSA-VD-LP.02 TSMC 55 nm

PDM-to-PCM converter with WhisperTrigger Voice detection feature


sDSA-VD-LP.02 is a PDM-PCM converter to interface with a digital microphone. This product optionally includes a unique WhisperTrigger™ -a hard-level voice trigger- and an Automatic Gain Control (AGC) for ensuring the best quality of the recording sound whatever the end-user environment.

Key Benefits

  • PDM to PCM converter with 2 input channels
  • WhisperTrigger - low power Voice Activity Detector
  • PLL-less feature with programmable audio sampling frequency Fs from 8 to 192 kHz
  • Automatic Gain Control (AGC)
  • Serial and parallel audio interface for digital audio data, 8-bit μC interface for control with I2C bridge
  • Soft mute mode


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Key Performances

  • 100 dB SNR, A-Weighted
  • -90 dB THD @ FS-1dB
  • 600 uW of power consumption in record mode
  • 140 uW of power consumption in voice detection mode
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