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TAS2560

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5.6-W digital input smart amp with I/V sense for speaker protection & integrated 8.5-V Class-H boost

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Data sheet

TAS2560

ACTIVE
Data sheet Order now

Product details

Audio input type Digital Input Architecture Class-D Boosted, Smart Amp Speaker channels (Max) Mono Power stage supply (Max) (V) 8.5 Power stage supply (Min) (V) 2.7 Load (Min) (ohms) 4 Output power (W) 5.6 SNR (dB) 111 THD + N @ 1 kHz (%) 0.004 Iq (Typ) (mA) 3.2 Control interface I2C Closed/open loop Closed Analog supply (Min) (V) 2.9 Analog supply (Max) (V) 5.5 Sampling rate (Max) (kHz) 96 PSRR (dB) 110 Operating temperature range (C) -40 to 85
Audio input type Digital Input Architecture Class-D Boosted, Smart Amp Speaker channels (Max) Mono Power stage supply (Max) (V) 8.5 Power stage supply (Min) (V) 2.7 Load (Min) (ohms) 4 Output power (W) 5.6 SNR (dB) 111 THD + N @ 1 kHz (%) 0.004 Iq (Typ) (mA) 3.2 Control interface I2C Closed/open loop Closed Analog supply (Min) (V) 2.9 Analog supply (Max) (V) 5.5 Sampling rate (Max) (kHz) 96 PSRR (dB) 110 Operating temperature range (C) -40 to 85
DSBGA (YFF) 30 6 mm² 2.665 x 2.895
  • Ultra Low-Noise Mono Boosted Class-D Amplifier
    • 5.6 W at 1% THD+N and 6.9 W at 10% THD+N into 4-Ω Load from 4.2-V Supply
    • 3.7 W at 1% THD+N and 4.5 W at 10% THD+N into 8-Ω Load from 4.2-V Supply
  • Output Noise for DAC + Class-D(ICN) is 16.2 µV
  • DAC + Class-D SNR 111 dB at 1%THD+N / 8 Ω
  • THD+N –89 dB at 1 W / 8 Ω with Flat Frequency Response
  • Post-Filter Feedback (PFFB)
  • PSRR 110 dB for 200 mVpp Ripple at 217 Hz
  • Input Sample Rates from 8 kHz to 96 kHz
  • High Efficiency Class-H Boost Converter
    • Automatically Adjusts Class-D Supply
    • Multi-level Tracking to Improve Efficiency
  • Built-In Speaker Sense
    • Measures Speaker Current and Voltage
    • Measures VBAT Voltage, Chip Temperature
  • Built-In Automatic Gain Control (AGC)
    • Limits Battery Current Consumption
  • Adjustable Class-D Switching Edge-Rate Control
  • Power Supplies
    • Boost Input: 2.9 V to 5.5 V
    • Analog/Digital: 1.65 V to 1.95 V
    • Digital I/O: 1.62 V to 3.6 V
  • Thermal, Short-Circuit, and Under-Voltage Protection
  • I2S, Left-Justified, Right-Justified, DSP, and TDM, and PDM
  • I2C Interface for Register Control
  • Stereo Configuration Using Two TAS2560 Devices
  • Ultra Low-Noise Mono Boosted Class-D Amplifier
    • 5.6 W at 1% THD+N and 6.9 W at 10% THD+N into 4-Ω Load from 4.2-V Supply
    • 3.7 W at 1% THD+N and 4.5 W at 10% THD+N into 8-Ω Load from 4.2-V Supply
  • Output Noise for DAC + Class-D(ICN) is 16.2 µV
  • DAC + Class-D SNR 111 dB at 1%THD+N / 8 Ω
  • THD+N –89 dB at 1 W / 8 Ω with Flat Frequency Response
  • Post-Filter Feedback (PFFB)
  • PSRR 110 dB for 200 mVpp Ripple at 217 Hz
  • Input Sample Rates from 8 kHz to 96 kHz
  • High Efficiency Class-H Boost Converter
    • Automatically Adjusts Class-D Supply
    • Multi-level Tracking to Improve Efficiency
  • Built-In Speaker Sense
    • Measures Speaker Current and Voltage
    • Measures VBAT Voltage, Chip Temperature
  • Built-In Automatic Gain Control (AGC)
    • Limits Battery Current Consumption
  • Adjustable Class-D Switching Edge-Rate Control
  • Power Supplies
    • Boost Input: 2.9 V to 5.5 V
    • Analog/Digital: 1.65 V to 1.95 V
    • Digital I/O: 1.62 V to 3.6 V
  • Thermal, Short-Circuit, and Under-Voltage Protection
  • I2S, Left-Justified, Right-Justified, DSP, and TDM, and PDM
  • I2C Interface for Register Control
  • Stereo Configuration Using Two TAS2560 Devices

The TAS2560 is a low-power, high-performance, digital input, boosted Class-D Audio amplifier that can be easily implemented in both mono and stereo (x2) applications. The device features an ultra low-noise audio DAC and Class-D power amplifier which incorporates speaker voltage and current sensing feedback for use with speaker protection algorithms.

A Class-H boost converter generates the Class-D amplifier supply rail. When the audio signal requires only a lower Class-D output power, system efficiency is improved by deactivating the boost and connecting VBAT directly to the Class-D amplifier supply. When higher audio output power is required, the multi-level boost re-activates tracking the signal to provide the additional voltage to the load.

A configurable on-chip Battery Guard system reduces the audio output power during the periods of low battery voltage to minimize the battery dropping below system brownout conditions. Additionally, faults such as brownout, over-current, and over-temperature can be reported back to the host processor using the IRQ pin. All protection statuses are available via a register read.

The TAS2560 is a low-power, high-performance, digital input, boosted Class-D Audio amplifier that can be easily implemented in both mono and stereo (x2) applications. The device features an ultra low-noise audio DAC and Class-D power amplifier which incorporates speaker voltage and current sensing feedback for use with speaker protection algorithms.

A Class-H boost converter generates the Class-D amplifier supply rail. When the audio signal requires only a lower Class-D output power, system efficiency is improved by deactivating the boost and connecting VBAT directly to the Class-D amplifier supply. When higher audio output power is required, the multi-level boost re-activates tracking the signal to provide the additional voltage to the load.

A configurable on-chip Battery Guard system reduces the audio output power during the periods of low battery voltage to minimize the battery dropping below system brownout conditions. Additionally, faults such as brownout, over-current, and over-temperature can be reported back to the host processor using the IRQ pin. All protection statuses are available via a register read.
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Combine TAS2560 and TAS2559 for a complete stereo solution with real-time I/V sense based protection. View TAS2559 now.

To request access to PurePath™ Console 3 and other design resources: Request TAS2560

Technical documentation

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Type Title Date
* Data sheet TAS2560 5.6-W Class-D Mono Audio Amplifier with IV Sense datasheet (Rev. E) 06 Dec 2017
Technical article How smart amps are bringing high-fidelity audio into the smart home 03 May 2021
Application note Current and Voltage Sensing Accuracy and Linearity 21 Jul 2020
Application note Limitations of Capacitor only EMI Filters on Class-D Amplifiers 21 Jul 2020
Application note Requesting Access to Audio Software 18 Jun 2020
User guide SmartAmp Learning Board 2 User's Guide (Rev. A) 13 Sep 2019
Application note Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) 26 Aug 2019
Application note Passive Component Selection Guide for Class-D Audio Amplifier 27 Jun 2019
Application note Battery Voltage Tracking Limiter and Brown-Out Protection 26 Jun 2019
Application note PCB Layout Guidelines for TAS2xxx Series Class-D Boosted Audio Amplifier 06 Jun 2019
Application note Benefits of Class-G and Class-H Boost in Audio Amplifiers 30 Apr 2019
Application note PLL and Clocking Configuration for Audio Devices 26 Mar 2019
Application note How the SmartAmp Speaker Protection Algorithm Compensates the Effects of Series 08 Aug 2018
Application note SmartPA Speaker Protection Algorithm 06 Aug 2018
Technical article Smart speakers don’t have to sound as small as they are 04 Jun 2018
Technical article Integrating next-generation linear resonance actuator systems 28 Dec 2017
Technical article Don’t limit your audio: how to achieve loud sound from a small speaker 18 Dec 2017
Application note Post Filter Feedback Class-D Amplifier Benefits and Design Considerations 14 Nov 2017
More literature Calibration and Verification Wave Files 21 Sep 2017
Application note TAS2557 and TAS2559 End System Integration Guide 08 Sep 2017
Application note Smart Amp Tuning Guide 05 Sep 2017
Application note TAS2555, TAS2557, and TAS2559 Factory Test and Calibration Guide 02 Sep 2017
Application note Smart Amp Quick Start Guide 03 Aug 2017
User guide TAS2560EVM User's Guide 31 May 2016
Application note AN-1737 Managing EMI in Class D Audio Applications (Rev. A) 01 May 2013

Design & development

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

Evaluation board

PP-SALB2-EVM — PP-SALB2-EVM Smart amp speaker characterization board evaluation module (Learning Board 2)

This board supports: TAS2555YZEVM, TAS2557EVM and TAS2559EVM.

The Smart Amplifier Speaker Characterization Board, when used in conjunction with a supported TI Smart Amplifier and PurePath Console software, provides users the ability to measure speaker excursion, temperature and other parameters for (...)

document-pdfAcrobat User guide
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Evaluation board

TAS2559EVM — TAS2559 5.7-W Class-D Audio Amplifier Evaluation Module

The TAS2559EVM evaluation module provides users with a powerful tool kit for complete assessment of the TAS2559 audio amplifier when used with PurePath™ Console 3 software suite (PPC3). The reference board can be operated in stereo mode by using the TAS2560 device which is on the board. (...)
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Evaluation board

TAS2560EVM — TAS2560 evaluation module, 5.6-W Class-D audio amplifier 

The TAS2560 evaluation module enables users to quickly and easily evaluate the TAS2560 audio amplifier. This small reference design comes with an USB cable to easily connect the board to your PC and control with a register based graphical user interface provided within PurePath™ Console 3 (...)

document-pdfAcrobat User guide
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Application software & framework

PUREPATHCONSOLE — PurePath™ Console graphical development suite for audio system design and development

PurePath™ Console is a highly integrated and easy-to-use audio development suite designed specifically to simplify the evaluation, configuration and debug process associated with the development of audio products. Watch how easy it is to use the PurePath™ Console 3 software.
PurePath Console’s (...)
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Driver or library

TAS2XXX-DRIVERS — Android and other drivers for the TAS25XX and TAS27XX series of Class-D amplifiers

These Android drivers support TI’s low power digital input Class-D audio amplifier devices. The "Get software" buttons link to git.ti.com repositories for these open-source drivers.
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Simulation model

TAS2560 IBIS Model

SLAM291.ZIP (53 KB) - IBIS Model
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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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Package Pins Download
DSBGA (YFF) 30 View options

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