Very-Low-Power Stereo Audio CODEC With PowerTune™ Technology

Very-Low-Power Stereo Audio CODEC With PowerTune™ Technology



Product details


Number of ADC channels 2 Number of DAC channels (#) 2 Digital audio interface L, R, I2S, TDM, DSP Analog inputs 6 Sampling rate (Max) (kHz) 192 Rating Catalog ADC SNR (Typ) (dB) 93 DAC SNR (Typ) (dB) 100 open-in-new Find other Audio CODECs

Package | Pins | Size

VQFN (RHB) 32 25 mm² 5 x 5 open-in-new Find other Audio CODECs


  • Stereo Audio DAC with 100dB SNR
  • 4.1mW Stereo 48ksps DAC Playback
  • Stereo Audio ADC with 93dB SNR
  • 6.1mW Stereo 48ksps ADC Record
  • PowerTune™
  • Extensive Signal Processing Options
  • Six Single-Ended or 3 Fully-Differential Analog Inputs
  • Stereo Analog and Digital Microphone Inputs
  • Stereo Headphone Outputs
  • Stereo Line Outputs
  • Very Low-Noise PGA
  • Low Power Analog Bypass Mode
  • Programmable Microphone Bias
  • Programmable PLL
  • Integrated LDO
  • 5-mm × 5-mm, 32-Pin VQFN Package
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The TLV320AIC3204 (also called the AIC3204) is a flexible, low-power, low-voltage stereo audio codec with programmable inputs and outputs, PowerTune capabilities, fixed predefined and parameterizable signal-processing blocks, integrated PLL, integrated LDOs and flexible digital interfaces.

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Technical documentation

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Type Title Date
* Data sheet TLV320AIC3204 Ultra Low Power Stereo Audio Codec datasheet (Rev. E) Sep. 11, 2019
Application note Out-of-Band Noise Measurement Issues for Audio Devices (Rev. A) Dec. 31, 2019
Application note Audio Serial Interface Configurations for Audio Codecs (Rev. A) Jun. 27, 2019
Application note Common Noise Issues in Audio Codecs Jul. 21, 2017
Application note TLV320AIC32x4 Sleep and Standby Modes (Rev. B) Jan. 31, 2014
Application note Using the MSP430 Launchpad as a Standalone I2C Host for Audio Products (Rev. A) Oct. 28, 2013
User guide TLV320AIC3204EVM-K - User Guide (Rev. A) Oct. 24, 2012
More literature TLV320AIC3204 Application Reference Guide Sep. 05, 2012
Application note Coefficient RAM Access Mechanisms.. (Rev. D) Jan. 25, 2012
Application note TLV320AIC32x4 Power Supply Sequencing (Rev. A) May 13, 2011
Application note Audio Serial Interface Configurations for Audio Codecs Sep. 22, 2010
Application note Design and Configuration Guide for the TLV320AIC3204 & TLV320AIC3254 Audio Codec (Rev. C) Apr. 26, 2010
Application note Interfacing an I2S Device to an MSP430 Device (Rev. A) Mar. 22, 2010
Application note Using the AGC,DRC and Beep generator Function in TLV320AIC3204/3254/3100/3110/31 Mar. 03, 2010
Application note Solving Enumeration Errors in USB Audio DAC and CODEC Designs Oct. 30, 2009
Application note Configuring I2S to Generate BCLK from Codec Devices & WCLK from McBSP Port Jul. 08, 2009
Application note Using TLV320AIC3x Digital Audio Data Serial Interface w/TDM Support Jul. 05, 2006
Application note How to Set the TSC/AIC EVM to Record & Playback Audio or Other Sound Through PC Dec. 14, 2004

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

document-generic User guide

The TLV320AIC3204EVM-K is a complete evaluation/demonstration kit for the TLV320AIC3204 audio codec. The kit includes a TLV320AIC3204EVM, and a USB-based motherboard called the USB-MODEVM Interface board. The TLV320AIC3204EVM-K software, the AIC3204 CS, is an intuitive, easy-to-use, powerful tool to (...)

  • Full-featured evaluation board for the TLV320AIC3204 stereo audio codec
  • USB connection to PC provides power, control, and streaming audio data for easy evaluation
  • Onboard microphone for ADC evaluation
  • Connection points for external control and digital audio signals for quick connection to other (...)

Software development

Linux Driver for TLV320AIC32X4
TLV320AIC32X4SW-LINUX The Linux driver supports the TLV320AIC32x device family of low-power stereo CODECs, communication through the I2C and SPI bus, and interfaces with the Linux Dynamic Audio Power Management for Portable Devices (DAPM) class.
Linux main line status

Available in Linux Main line: Yes
Available through (...)

Design tools & simulation

SLOM298.ZIP (47 KB) - IBIS Model
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
Coefficient Calculator For Digital Biquad Filters
COEFFICIENT-CALC COEFFICIENT-CALC (TIBQ) calculates the coefficients for the digital filter biquad transfer function implemented in TI audio codecs. The characteristics of the digital filter are adjusted by selecting a filter type and moving a control point within a window that shows the transfer function gain and (...)
SLAR163.ZIP (487 KB)

Reference designs

Speech Recognition Reference Design on the C5535 eZdsp™
TIDEP0066 The TIDEP0066 reference design highlights the voice recognition capabilities of the C5535 and C5545 DSP devices using the TI embedded speech recognition (TIesr) library and instructs how to run a voice triggering example that prints a pre-programmed keyword on the C5535eZdsp OLED screen, based on a (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
VQFN (RHB) 32 View options

Ordering & quality

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