FEATURES

Low latency, 24-bit ADCs and DACs 102 dB SNR (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

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  Low power (15.5 mW) I 2 C and SPI control interfaces for flexibility 5 multipurpose pins supporting dual stereo digital microphone inputs, mute, push-button volume controls

 

 

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

GENERAL DESCRIPTION

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 program-mable 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. 

Note that throughout this data sheet, multifunction pins, such as SCL/SCLK, are referred to either by the entire pin name or by a single function of the pin, for example, SCLK, when only that function is relevant. 

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