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TLV320AIC3256

ACTIVE

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 (...)

View Options
IDE, configuration, compiler or debugger

PUREPATHSTUDIO — 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 (...)

Supported products & hardware

Supported products & hardware

Products
Audio CODECs
PCM3070 — Stereo Audio Codec With Embedded miniDSP TLV320AIC3111 — Low-Power Audio CODEC with embedded miniDSP and Stereo Class-D Speaker Amplifier TLV320AIC3120 — Low-Power Audio CODEC With miniDSP and 2.5-W Mono Class-D Speaker Amplifier TLV320AIC3253 — Ultra Low Power Stereo Audio Codec with miniDSP and Stereo Digital Microphone Input TLV320AIC3254 — Very Low-Power Stereo Audio CODEC with programmable miniDSP TLV320AIC3256 — Very Low-Power Stereo Codec with miniDSP and DirectPath™ HP Amplifier TLV320AIC3262 — Low Power Stereo Codec w/miniDSP, Stereo class-D Speakers, DirectPath Headphone TSC2117 — 4-Wire Touch Screen Controller with Low-Power Mono ADC/Stereo DAC
Audio DACs
PCM5121 — 2V RMS DIRECTPATH 106dB Audio Stereo DAC with PCM interface and fixed Audio processing PCM5122 — 2V RMS DIRECTPATH 112dB Audio Stereo DAC with PCM Interface and Fixed Audio Processing PCM5141 — 2V RMS DIRECTPATH 106dB Audio Stereo DAC with PCM interface and fully programmable miniDSP PCM5142 — 2V RMS DIRECTPATH 112dB Audio Stereo DAC with PCM interface and fully programmable miniDSP TLV320DAC3120 — Mono audio DAC with 2.5-W mono Class-D speaker amp, 60-mW headphone driver & audio processing
Audio ADCs
TLV320ADC3001 — 92dB SNR Low-Power Stereo ADC (ADC3001) TLV320ADC3101 — 92-dB SNR low-power stereo ADC with digital microphone support and miniDSP
Hardware development
Evaluation board
PCM3070RHBEVM-K — PCM3070RHBEVM-K Evaluation Module PCM5122EVM-U — PCM5122 Evaluation Module PCM5142EVM-U — PCM5142 Evaluation Module TLV320ADC3101EVM-K — TLV320ADC3101 evaluation module and USB motherboard TLV320AIC3111EVM-K — TLV320AIC3111 Evaluation Module TLV320AIC3120EVM-U — TLV320AIC3120EVM-U Evaluation Module TLV320AIC3253EVM-K — TLV320AIC3253EVM-K Evaluation Module TLV320AIC3254EVM-K — TLV320AIC3254 Evaluation Module (EVM) and USB motherboard TLV320AIC3256EVM-U — TLV320AIC3256EVM-U Evaluation Module TLV320AIC3262EVM-U — TLV320AIC3262 Evaluation Module TLV320DAC3120EVM-U — TLV320DAC3120EVM-U Evaluation Module
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Support software

SLOC213 — AIC3256EVM-U_CS_v1_2_1.zip

Supported products & hardware

Supported products & hardware

Products
Audio CODECs
TLV320AIC3256 — Very Low-Power Stereo Codec with miniDSP and DirectPath™ HP Amplifier
Hardware development
Evaluation board
TLV320AIC3256EVM-U — TLV320AIC3256EVM-U Evaluation Module
Download
Simulation model

TLV320AIC3256 IBIS Model

SLOM297.ZIP (200 KB) - IBIS Model
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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 (...)

Supported products & hardware

Supported products & hardware

Products
Audio CODECs
TLV320AIC26 — Low-Power Mono ADC/Stereo DAC With HP/Speaker Amplifier and 12-Bit Measurement ADC TLV320AIC28 — Low-Power Mono ADC/Stereo DAC With 6 Audio Inputs and HP/Speaker Amplifier TLV320AIC29 — Low-Power Mono ADC/Stereo DAC With 6 Audio Inputs and HP/Speaker Amplifier TLV320AIC3007 — Low Power Stereo CODEC with Integrated Class-D Amplifier TLV320AIC31 — Low-Power Stereo Codec with 6 Inputs, 6 Outputs, Integrated Headphone/Speaker Amps, 3D Effects TLV320AIC3100 — Low-Power Audio Codec With Audio Processing and Mono Class-D Amplifier TLV320AIC3101 — Low-Power Stereo Codec with 6 Inputs, 6 Outputs, Speaker/HP Amp and Enhanced Digital Effects TLV320AIC3104 — Low-Power Stereo CODEC with 6 Inputs, 6 Outputs, HP Amp and Enhanced Digital Effects TLV320AIC3105 — Low-Power Stereo CODEC with 6 Inputs, 6 Outputs, HP Amp and Enhanced Digital Effects TLV320AIC3106 — Low-power stereo CODEC with 10 inputs, 7 outputs, headphone amplifier and enhanced digital effects TLV320AIC3107 — Low-Power Stereo CODEC with Integrated Mono Class-D Amplifier TLV320AIC3110 — Low-Power Audio Codec With 1.3W Stereo Class-D Speaker Amplifier TLV320AIC3111 — Low-Power Audio CODEC with embedded miniDSP and Stereo Class-D Speaker Amplifier TLV320AIC3120 — Low-Power Audio CODEC With miniDSP and 2.5-W Mono Class-D Speaker Amplifier TLV320AIC32 — Low-Power Stereo CODEC with 6 Inputs, 6 Outputs, HP/Speaker Amplifier and 3D Effects TLV320AIC3204 — Very-Low-Power Stereo Audio CODEC With PowerTune™ Technology TLV320AIC3206 — Very-Low-Power Stereo Codec With DirectPath™ HP Amplifier TLV320AIC3254 — Very Low-Power Stereo Audio CODEC with programmable miniDSP TLV320AIC3256 — Very Low-Power Stereo Codec with miniDSP and DirectPath™ HP Amplifier TLV320AIC33 — Low-Power Stereo CODEC with 10 Inputs, 7 Outputs, HP/Speaker Amplifier and Enhanced Digital Effects TLV320AIC34 — Low-power 4-channel CODEC TSC2100 — 4-Wire Touch Screen Controller with Stereo DAC / Mono ADC with HP/Speaker Amplifier TSC2101 — 4-Wire Touch Screen Controller, St. DAC / Mono ADC with HP/Speaker Amplifier TSC2102 — 4-Wire Touch Screen Controller with Stereo DAC with HP Amplifier TSC2117 — 4-Wire Touch Screen Controller with Low-Power Mono ADC/Stereo DAC TSC2301 — 4-Wire Touch Screen Controller, St. CODEC with HP Amplifier (Keypad Int. + 6 GPIOs)
Audio ADCs
TLV320ADC3001 — 92dB SNR Low-Power Stereo ADC (ADC3001) TLV320ADC3101 — 92-dB SNR low-power stereo ADC with digital microphone support and miniDSP
Speaker amps
TAS2505 — 2-W, mono, digital & analog input Class-D audio amp with audio processing & mono headphone amplifier TAS2505-Q1 — Automotive, 2-W, mono, digital or analog input Class-D amplifier with audio processing TAS2521 — 2-W, mono, digital & analog input Class-D audio amp with miniDSP & 18-mW, mono headphone driver
Download
Calculation tool

SLAR163 — Audio CODEC/ADC PLL Calculator

Supported products & hardware

Supported products & hardware

Products
Audio CODECs
TLV320AIC3007 — Low Power Stereo CODEC with Integrated Class-D Amplifier TLV320AIC3100 — Low-Power Audio Codec With Audio Processing and Mono Class-D Amplifier TLV320AIC3101 — Low-Power Stereo Codec with 6 Inputs, 6 Outputs, Speaker/HP Amp and Enhanced Digital Effects TLV320AIC3104 — Low-Power Stereo CODEC with 6 Inputs, 6 Outputs, HP Amp and Enhanced Digital Effects TLV320AIC3104-Q1 — Automotive Low-Power Stereo Audio Codec with 6 Audio Input Pins and 6 Audio Output Drivers TLV320AIC3105 — Low-Power Stereo CODEC with 6 Inputs, 6 Outputs, HP Amp and Enhanced Digital Effects TLV320AIC3106 — Low-power stereo CODEC with 10 inputs, 7 outputs, headphone amplifier and enhanced digital effects TLV320AIC3106-Q1 — Automotive low-power stereo CODEC with headphone amplifier and enhanced digital effects TLV320AIC3107 — Low-Power Stereo CODEC with Integrated Mono Class-D Amplifier TLV320AIC3109-Q1 — Automotive Low-Power 96kHz Mono Audio Codec TLV320AIC3110 — Low-Power Audio Codec With 1.3W Stereo Class-D Speaker Amplifier TLV320AIC3111 — Low-Power Audio CODEC with embedded miniDSP and Stereo Class-D Speaker Amplifier TLV320AIC3120 — Low-Power Audio CODEC With miniDSP and 2.5-W Mono Class-D Speaker Amplifier TLV320AIC3204 — Very-Low-Power Stereo Audio CODEC With PowerTune™ Technology TLV320AIC3206 — Very-Low-Power Stereo Codec With DirectPath™ HP Amplifier TLV320AIC3253 — Ultra Low Power Stereo Audio Codec with miniDSP and Stereo Digital Microphone Input TLV320AIC3254 — Very Low-Power Stereo Audio CODEC with programmable miniDSP TLV320AIC3254-Q1 — Automotive Very-Low-Power Stereo Audio CODEC With miniDSP and PowerTune™ Technology TLV320AIC3256 — Very Low-Power Stereo Codec with miniDSP and DirectPath™ HP Amplifier TLV320AIC34 — Low-power 4-channel CODEC
Audio ADCs
TLV320ADC3001 — 92dB SNR Low-Power Stereo ADC (ADC3001) TLV320ADC3100 — Low-power stereo analog-to-digital converter (ADC) for voice-activated systems and portable audio TLV320ADC3101 — 92-dB SNR low-power stereo ADC with digital microphone support and miniDSP
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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 CAD symbols, footprints & 3D models
DSBGA (YZF) 42 Ultra Librarian
WQFN (RSB) 40 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

Ordering & quality

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

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

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