The TLV320AIC29 is a low-power, high-performance audio codec with 16/20/24/32-bit 95-dB stereo playback, mono record functionality at up to 48 ksps. Two microphone inputs include independent programmable bias voltages, built-in pre-amps, and hardware automatic gain control, with single-ended or fully-differential signal input capabilities. The stereo 16O headphones at 19 mW with a 3.3-V analog supply level. The AIC29 offers a 12-bit measurement ADC and internal reference voltage. It includes an on-chip temperature sensor capable of reading 0.3°C resolution, as well as a battery measurement input capable of reading battery voltages up to 6 V, while operating at an analog supply as low as 3 V. The AIC29 is available in a 48-lead 7 x 7 mm QFN package.
Stereo Audio DAC and Mono Audio ADC Support Rates Up to 48 ksps
High Quality 95-dB Stereo Audio Playback Performance
MIC Preamp and Hardware Automatic Gain Control With Up to 59.5-dB Gain
Stereo 16O Headphone Amplifier With Capless Output Option
400-mW 😯 Audio Power Amp With Direct Battery Supply Connection
32O Differential Earpiece Driver
Differential Interface to Cellular Phone Module
Integrated PLL For Flexible Audio Clock Generation
Low Power 19-mW Stereo Audio Playback at 48 ksps and 3.3-V Analog Supply level
Programmable Digital Audio Bass/Treble/EQ/De-Emphasis
Auto-Detection of Jack Insertion, Headset Type, and Button Press
Direct Battery Measurement Accepts Up to 6-V Input
On-Chip Temperature and Auxiliary Input Measurement
Programmable Measurement Converter Resolution, Speed, Averaging, and Timing
SPI™ and I2S™ Serial Interfaces
Full Power-Down Control
48-Pin QFN Package
APPLICATIONS
- Personal Digital Assistants
- Cellular Smartphones
- Digital Still Cameras
- Digital Camcorders
- MP3 Players
