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TLV320AIC29
  • TLV320AIC29

TLV320AIC29

ACTIVE

Low-Power Mono ADC/Stereo DAC With 6 Audio Inputs and HP/Speaker Amplifier

Texas Instruments TLV320AIC29 Product Info

1 April 2026 2

Parameters

Number of ADC channels

1

Number of DAC channels

2

Digital audio interface

DSP, I2S, L, R

Control interface

SPI

Analog inputs

3

Analog outputs

3

Features

Phase-locked loop (PLL), Stereo headphone amplifier, Stereo speaker amplifier

Sampling rate (max) (kHz)

53

Rating

Catalog

ADC SNR (typ) (dB)

90

DAC SNR (typ) (dB)

95

Operating temperature range (°C)

-40 to 85

Package

VQFN (RGZ)-48-49 mm² 7 x 7

Features

  • 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 16- Headphone Amplifier With Capless Output Option
  • 400-mW 8- Audio Power Amp With Direct Battery Supply Connection
  • 32- 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

US Patent No. 624639
SPI is a trademark of Motorola, Inc.
I2S is a trademark of Philips Corporation.

  • 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 16- Headphone Amplifier With Capless Output Option
  • 400-mW 8- Audio Power Amp With Direct Battery Supply Connection
  • 32- 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

US Patent No. 624639
SPI is a trademark of Motorola, Inc.
I2S is a trademark of Philips Corporation.

Description

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 16- 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.

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