Stereo Audio Codec
www.ti.com
TLV320AIC28
SLAS418B − FEBRUARY 2004 − REVISED MAY 2005
STEREO AUDIO CODEC WITH INTEGRATED HEADPHONE AND SP...
Description
www.ti.com
TLV320AIC28
SLAS418B − FEBRUARY 2004 − REVISED MAY 2005
STEREO AUDIO CODEC WITH INTEGRATED HEADPHONE AND SPEAKER AMPLIFIERS
FEATURES
D Stereo Audio DAC and Mono Audio ADC
Support Rates Up to 48 ksps
D High Quality 95-dB Stereo Audio Playback
Performance
D MIC Preamp and Hardware Automatic Gain
Control With Up to 59.5-dB Gain
D Stereo 16-W Headphone Amplifier With
Capless Output Option
D 400-mW 8-W Audio Power Amp With Direct
Battery Supply Connection
D 32-W Differential Earpiece Driver
D Integrated PLL For Flexible Audio Clock
Generation
D Low Power 19-mW Stereo Audio Playback at
48 ksps and 3.3-V Analog Supply level
D Programmable Digital Audio Bass/Treble/
EQ/De-Emphasis
D Auto-Detection of Jack Insertion, Headset
Type, and Button Press
D Direct Battery Measurement Accepts Up to
6-V Input
D On-Chip Temperature and Auxiliary Input
Measurement
D Programmable Measurement Converter
Resolution, Speed, Averaging, and Timing
D SPI and I2S Serial Interfaces
D Full Power-Down Control
D 48-Pin QFN Package
APPLICATIONS
D Personal Digital Assistants D Cellular Smartphones D Digital Still Cameras D Digital Camcorders D MP3 Players
DESCRIPTION
The TLV320AIC28 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 capab...
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