Low Power Audio CODEC/ADC/DAC
Low Power Audio
CODEC/ADC/DAC
Innosilicon Audio CODEC IP consists of ADC channels, DAC channels and bias circuit. The ADC channel is used to convert analog audio signal to digital signal. Each ADC channel contains input PGA, ALC, Sigma-Delta modulator and digital filter. The DAC channel is used to convert digital audio signal to analog signal. Each DAC channel contains Sigma-Delta modulator, DCT and power amplifier. The bias circuit generates voltage and current reference.
Audio CODEC
  • Highlights
  • Features
  • Standard Deliverables
  • Example Applications
  • Low power consumption
  • Fully customizable
  • Small area
  • Simple integration process
  • Available options include:
  • Test chips and test boards

    FPGA integration support

    Chip level integration

  • 24 bits DAC with 96dB SNR
  • Support 1~4 DAC channels
  • Support 16Ω to 32Ω headphone output or line output
  • Low power: 5mA for stereo playback
  • 24 bits ADC with 90dB SNR
  • Support 1~8 ADC channels
  • Support differential and single-ended microphone or line input
  • Low power: 5mA for stereo recording
  • Support sampling rate of 8kHz/12kHz/16kHz/24kHz/32kHz/44.1kHz/48kHz/96kHz
  • Support Automatic Level Control (ALC) for smooth audio recording
  • Support Mono, Stereo, 5.1 and 7.1 HiFi channel performance
  • Support programmable input and output analog gains
  • Built-in digital interpolation and decimation filter
  • The area correlates strongly with process node and channel count, please refer to detailed datasheet
  • Databook and detailed physical implementation guides
  • Complete set of timing models
  • Library Exchange Format (LEF)
  • Encrypted Verilog Models
  • Layout vs. Schematic (LVS) report
  • GDSII database for foundry merge
Use Cases for ADC/DAC

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