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TLV320AIC3256

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Very Low-Power Stereo Codec with miniDSP and DirectPath™ HP Amplifier

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Data sheet

TLV320AIC3256

ACTIVE
Data sheet Order now

Product details

Number of ADC channels 2 Number of DAC channels 2 Digital audio interface DSP, I2S, L, R, TDM Analog inputs 6 Analog outputs 4 Sampling rate (max) (kHz) 192 Rating Catalog Features Digital mic support, MiniDSP, Phase-locked loop (PLL), PowerTune, Stereo headphone amplifier ADC SNR (typ) (dB) 93 DAC SNR (typ) (dB) 100 Operating temperature range (°C) -40 to 85
Number of ADC channels 2 Number of DAC channels 2 Digital audio interface DSP, I2S, L, R, TDM Analog inputs 6 Analog outputs 4 Sampling rate (max) (kHz) 192 Rating Catalog Features Digital mic support, MiniDSP, Phase-locked loop (PLL), PowerTune, Stereo headphone amplifier ADC SNR (typ) (dB) 93 DAC SNR (typ) (dB) 100 Operating temperature range (°C) -40 to 85
DSBGA (YZF) 42 12.1875 mm² 3.75 x 3.25 WQFN (RSB) 40 25 mm² 5 x 5
  • Stereo Audio DAC with 100dB SNR
  • 5.0mW Stereo 48ksps DAC-to-Ground-
    Centered Headphone Playback
  • Stereo Audio ADC with 93dB SNR
  • 5.2mW Stereo 48ksps ADC Record
  • PowerTune™
  • Extensive Signal Processing Options
  • Embedded miniDSP
  • Six Single-Ended or 3 Fully-Differential
    Analog Inputs
  • Stereo Analog and Digital Microphone
    Inputs
  • Ground-Centered Stereo Headphone Outputs
  • Very Low-Noise PGA
  • Low Power Analog Bypass Mode
  • Programmable Microphone Bias
  • Programmable PLL
  • 5mm × 5mm 40-pin QFN Package or
    3.5mm × 3.3mm 42-ball WCSP
  • Stereo Audio DAC with 100dB SNR
  • 5.0mW Stereo 48ksps DAC-to-Ground-
    Centered Headphone Playback
  • Stereo Audio ADC with 93dB SNR
  • 5.2mW Stereo 48ksps ADC Record
  • PowerTune™
  • Extensive Signal Processing Options
  • Embedded miniDSP
  • Six Single-Ended or 3 Fully-Differential
    Analog Inputs
  • Stereo Analog and Digital Microphone
    Inputs
  • Ground-Centered Stereo Headphone Outputs
  • Very Low-Noise PGA
  • Low Power Analog Bypass Mode
  • Programmable Microphone Bias
  • Programmable PLL
  • 5mm × 5mm 40-pin QFN Package or
    3.5mm × 3.3mm 42-ball WCSP

The TLV320AIC3256 (also called the AIC3256) is a flexible, low-power, low-voltage stereo audio codec with programmable inputs and outputs, PowerTune capabilities, fully-programmable miniDSP, fixed predefined and parameterizable signal processing blocks, integrated PLL, and flexible digital interfaces.

The TLV320AIC3256 (also called the AIC3256) is a flexible, low-power, low-voltage stereo audio codec with programmable inputs and outputs, PowerTune capabilities, fully-programmable miniDSP, fixed predefined and parameterizable signal processing blocks, integrated PLL, and flexible digital interfaces.
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Technical documentation

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Type Title Date
* Data sheet TLV320AIC3256 Ultra Low Power Stereo Audio Codec With Embedded miniDSP datasheet (Rev. C) PDF | HTML 19 Nov 2014
Application note Out-of-Band Noise Measurement Issues for Audio Devices (Rev. A) 31 Dec 2019
Application note Audio Serial Interface Configurations for Audio Codecs (Rev. A) 27 Jun 2019
Application note Common Noise Issues in Audio Codecs 21 Jul 2017
Application note Using the MSP430 Launchpad as a Standalone I2C Host for Audio Products (Rev. A) 28 Oct 2013
User guide TLV320AIC3256EVM-U Evaluation Module (Rev. B) 25 Oct 2012
User guide TLV320AIC3256 Application Reference (Rev. A) 05 Sep 2012
Application note TLV320AIC32x6 Sleep and Standby Modes 18 Apr 2012
Application note Reducing Crosstalk in Directpath Headphone Amplifiers 28 Mar 2012
Application note Coefficient RAM Access Mechanisms.. (Rev. D) 25 Jan 2012
Application note Audio Serial Interface Configurations for Audio Codecs 22 Sep 2010
Application note Solving Enumeration Errors in USB Audio DAC and CODEC Designs 30 Oct 2009
Application note Configuring I2S to Generate BCLK from Codec Devices & WCLK from McBSP Port 08 Jul 2009
Application note Using TLV320AIC3x Digital Audio Data Serial Interface w/TDM Support 05 Jul 2006
Application note How to Set the TSC/AIC EVM to Record & Playback Audio or Other Sound Through PC 14 Dec 2004

Design & development

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

Evaluation board

TLV320AIC3256EVM-U — TLV320AIC3256EVM-U Evaluation Module

The TLV320AIC3256EVM-U is a complete evaluation/demonstration kit for the TLV320AIC3256 audio codec. The AIC3256 CS, is an intuitive, easy-to-use, powerful tool to learn, evaluate, and control the TLV320AIC3256. This tool was specifically designed to make learning the TLV320AIC3256 easy.

Software (...)

User guide: PDF
Not available on TI.com
Driver or library

TLV320AIC32X6-DRIVERS — TLV320AIC32X6 CODEC family Linux driver support

These Linux drivers supports our low power audio CODECs for device family TLV320AIC32x6. These drivers include both .c and .h files. The "Go to Third Party" button will allow you to downlod the appropriate drivers from git.kernal.org.

Linux main line status

Available in Linux main line: Yes
Available (...)

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IDE, configuration, compiler or debugger

AICPUREPATH_STUDIO — PurePath™ Studio graphical development environment

PurePath™ Studio Graphical Development Environment is a powerful, easy-to-use tool designed specifically to simplify software development for Audio products with a miniDSP/ Audio Processing capability.

The GDE permits these devices to be programmed to support the processing requirements of a wide (...)

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Support software

AIC3256EVM-U_CS_v1_2_1.zip (Rev. A)

SLOC213A.ZIP (89399 KB)
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Simulation model

TLV320AIC3256 IBIS Model

SLOM297.ZIP (200 KB) - IBIS Model
Download
Calculation tool

COEFFICIENT-CALC — Coefficient Calculator For Digital Biquad Filters

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 (...)
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Calculation tool

Audio CODEC/ADC PLL Calculator

SLAR163.ZIP (487 KB)
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

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 (...)
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Reference designs

TIDA-01236 — Reference Design to Extend Coin Cell Battery Run Time in Wireless Ultrasonic Gas Leak Detector

This reference design demonstrates a low-power wireless sensor which detects gas leaks by analyzing the ultrasonic spectrum for particular signatures. The system is designed to operate from a single Li-Primary coin cell and communicate wirelessly to a base station, which removes all requirements (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-00090 — USB Audio Reference Design

This reference design, featuring the TLV320AIC3256 audio codec, is a fully-functional USB powered streaming audio platform that allows external audio sources to be connected to the USB port of a PC or laptop. User control is provided via a powerful, easy-to-use Windows-based GUI.

Software (...)

Test report: PDF
Schematic: PDF
Package Pins Download
DSBGA (YZF) 42 View options
WQFN (RSB) 40 View options

Ordering & quality

Information included:
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  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

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