Features and Benefits

  • Low latency, 24-bit ADCs and DACs 102 dB SNR (signal through PGA and ADC with A-weighted filter)
  • 107 dB dynamic range (through DAC and headphone with A-weighted filter)
  • Serial port sample rates from 8 kHz to 192 kHz
  • 130 μs analog-to-serial port latency, 1 kHz at fS = 48 kHz
  • 4 single-ended analog inputs, configurable as microphone or line inputs
  • Dual stereo digital microphone inputs
  • Stereo analog audio output, single-ended or differential, configurable as either line output or headphone driver
  • PLL supporting any input clock rate from 8 MHz to 27 MHz
  • Full-duplex, asynchronous sample rate converters (ASRCs)
  • Power supplies
    Analog and digital input/output of 1.8 V to 3.3 V
  • I2C and SPI control interfaces for flexibility
  • 5 Multi-function pins supporting dual stereo digital microphone inputs, mute, push-button volume controls

Product Details

The ADAU1372 is a codec with four inputs and two outputs, which incorporates asynchronous sample rate converters. Optimized for low latency and low power, the ADAU1372 is ideal for headsets, handsets, and headphones. The ADAU1372 has built-in programmable gain amplifiers (PGAs); thus, with the addition of just a few passive components and a crystal, the ADAU1372 provides a solution for headset audio needs. Microphone preamplifiers, ADCs, DACs, headphone amplifiers and serial ports for connections to an external DSP.


  • Handsets, headsets, and headphones
  • Bluetooth handsets, headsets, and headphones
  • Personal navigation devices
  • Digital still and video cameras

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.