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105dB PCM-to-PDM Stereo Converter
The AR37T01 is a digitally coded stereo PCM-to-PDM conversion IP with 8-bit pattern-code programming.
The IP translates parallel PCM input data into single-bit digital switching pulse-density modulated (PDM) output. The IP converts stereo audio data through ∑∆ modulator and filters. The 1-bit PDM output can drive off-chip stand-alone PDM-type amplifier with high power-efficiency.
The IP is portable to any logic process node for silicon realization. It is now silicon-proven in TSMC16nm and 28nm logic processes.
The IP translates parallel PCM input data into single-bit digital switching pulse-density modulated (PDM) output. The IP converts stereo audio data through ∑∆ modulator and filters. The 1-bit PDM output can drive off-chip stand-alone PDM-type amplifier with high power-efficiency.
The IP is portable to any logic process node for silicon realization. It is now silicon-proven in TSMC16nm and 28nm logic processes.
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Block Diagram of the 105dB PCM-to-PDM Stereo Converter IP Core
PDM IP
- 24-bit 110 dB SNR digital PDM to PWM DAC
- 24-bit PDM to PCM 115 dB SNR low latency 2 channels
- 24-bit PDM to PCM 117 dB SNR with ASRC & PLL-less 6 channels
- 24-bit PDM to PCM 117 dB SNR with ASRC & PLL-less & Phase alignement 6 channels
- PDM to PCM Conversion, SMIC 65nmLL
- Up to 105 dB of SNR, 24-bit mono CODEC with PDM to PWM transmodulator DAC and embedded regulator