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.
- 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 micro seconds 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
- Applications
- Handsets, headsets, and headphones
- Bluetooth handsets, headsets, and headphones
- Personal navigation devices
- Digital still and video cameras
