TLV320AIC3256

ACTIVE

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

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

TLV320AIC3256

ACTIVE

Product details

Parameters

Number of ADC channels 2 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

DSBGA (YZF) 42 12 mm² 3.509 x 3.309 WQFN (RSB) 40 25 mm² 5 x 5 open-in-new Find other Audio CODECs

Features

  • 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
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Description

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

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet TLV320AIC3256 Ultra Low Power Stereo Audio Codec With Embedded miniDSP datasheet (Rev. C) Nov. 19, 2014
Application notes Out-of-Band Noise Measurement Issues for Audio Devices (Rev. A) Dec. 31, 2019
Application notes Audio Serial Interface Configurations for Audio Codecs (Rev. A) Jun. 27, 2019
Application notes Common Noise Issues in Audio Codecs Jul. 21, 2017
Application notes Using the MSP430 Launchpad as a Standalone I2C Host for Audio Products (Rev. A) Oct. 28, 2013
User guides TLV320AIC3256EVM-U Evaluation Module (Rev. B) Oct. 25, 2012
User guides TLV320AIC3256 Application Reference (Rev. A) Sep. 05, 2012
Application notes TLV320AIC32x6 Sleep and Standby Modes Apr. 18, 2012
Application notes Reducing Crosstalk in Directpath Headphone Amplifiers Mar. 28, 2012
Application notes Coefficient RAM Access Mechanisms.. (Rev. D) Jan. 25, 2012
Application notes Audio Serial Interface Configurations for Audio Codecs Sep. 22, 2010
Application notes Solving Enumeration Errors in USB Audio DAC and CODEC Designs Oct. 30, 2009
Application notes Configuring I2S to Generate BCLK from Codec Devices & WCLK from McBSP Port Jul. 08, 2009
Application notes Using TLV320AIC3x Digital Audio Data Serial Interface w/TDM Support Jul. 05, 2006
Application notes 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

EVALUATION BOARDS Download
document-generic User guide
99
Description

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 (...)

Features
  • Full-featured evaluation board for the TLV320AIC3256 stereo audio codec.
  • USB connection to PC provides power, control, and streaming audio data for easy evaluation.
  • Analog input and output jacks.
  • Connection points for external control and digital audio signals for quick connection to other (...)

Software development

IDES, CONFIGURATION, COMPILERS & DEBUGGERS Download
PurePath™ Studio graphical development environment
AICPUREPATH_STUDIO 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 (...)

SUPPORT SOFTWARE Download
SLOC213A.ZIP (89399 KB)

Design tools & simulation

SIMULATION MODELS Download
SLOM297.ZIP (200 KB) - IBIS Model
SIMULATION TOOLS Download
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 (...)
Features
  • 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
  • (...)
CALCULATION TOOLS Download
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 (...)

Reference designs

REFERENCE DESIGNS Download
Reference Design to Extend Coin Cell Battery Run Time in Wireless Ultrasonic Gas Leak Detector
TIDA-01236 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 for (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
USB Audio Reference Design
TIDA-00090 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 development (...)

document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
DSBGA (YZF) 42 View options
WQFN (RSB) 40 View options

Ordering & quality

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

Support & training

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