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120dB PDM-to-PCM Digital Microphone Interface
The AR36T05 is a soft macro low-power high-performance digital microphone interface modulator IP. The IP converts stereo/mono 1-bit pulse-density modulated (PDM) bit stream data from external digital microphones into 16-24bit pulse-code modulated (PCM) data for base-band processing. It is expandable to multi-channel system for various voice and audio applications.
The IP is portable to any logic process node for silicon realization. It is now silicon-proven in TSMC 16nm and 28nm logic processes.
The IP is portable to any logic process node for silicon realization. It is now silicon-proven in TSMC 16nm and 28nm logic processes.
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Block Diagram of the 120dB PDM-to-PCM Digital Microphone Interface IP Core
PDM-to-PCM IP
- 24-bit pure digital audio CODEC with 100 dB SNR stereo PDM-to-PCM and up to 110 dB SNR stereo PWM DAC with ASRC
- Digital audio PDM-to-PCM converter with 105 dB Dynamic Range, 24-bit six input channel with ASRC and VAD
- Digital audio PDM-to-PCM converter with 105 dB Dynamic Range, 24-bit six input channel with ASRC, phase syncronization and VAD
- 105 dB Dynamic Range, 24-bit, stereo digital audio PDM-to-PCM converter with AGC and low latency features
- Digital audio PDM-to-PCM converter with 105 dB Dynamic Range, 24-bit eight input channel with VAD
- PDM-to-PCM converter with WhisperTrigger Voice detection feature