TLV320AIC3101

The TLV320AIC3101 from Texas Instruments is a versatile, low-power stereo audio codec ideal for battery-powered portable devices. It integrates a stereo headphone amplifier and multiple programmable inputs and outputs.

The device boasts a stereo audio DAC with a 102-dBA signal-to-noise ratio and a stereo audio ADC with a 92-dBA signal-to-noise ratio. Both support sample rates from 8 kHz to 96 kHz, with 16/20/24/32-bit data resolution. It offers extensive modular power control and flexible power-saving modes.

With six audio input pins and six audio output drivers, the TLV320AIC3101 supports various configurations, including single-ended and fully differential inputs and outputs. It can drive stereo 8-ohm speakers at 500 mW per channel. The codec includes features like 3D/Bass/Treble/EQ effects, digital signal processing, and automatic gain control for recording.

Packaged in a compact 5-mm x 5-mm 32-pin QFN, the TLV320AIC3101 operates with analog supplies from 2.7 V to 3.6 V, digital core supplies from 1.525 V to 1.95 V, and digital I/O supplies from 1.1 V to 3.6 V. It utilizes an I2C control bus and supports multiple audio serial data bus modes including I2S, Left/Right-Justified, DSP, and TDM.