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TAS2764

ACTIVE

13-W, digital input, 2.3-V to 16-V smart amp I/V sense for speaker protection and multi-level supply

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Data sheet

TAS2764

ACTIVE
Data sheet Order now

Product details

Audio input type Digital Input Architecture Smart Amp Speaker channels (max) Mono Control interface I2C Output power (W) 13 Power stage supply (max) (V) 16 Power stage supply (min) (V) 2.3 THD + N at 1 kHz (%) 0.007 Load (min) (Ω) 3.2 Analog supply voltage (min) (V) 2.3 Analog supply voltage (max) (V) 16 Rating Catalog Operating temperature range (°C) -40 to 85
Audio input type Digital Input Architecture Smart Amp Speaker channels (max) Mono Control interface I2C Output power (W) 13 Power stage supply (max) (V) 16 Power stage supply (min) (V) 2.3 THD + N at 1 kHz (%) 0.007 Load (min) (Ω) 3.2 Analog supply voltage (min) (V) 2.3 Analog supply voltage (max) (V) 16 Rating Catalog Operating temperature range (°C) -40 to 85
DSBGA (YBH) 30 4.8 mm² 2.4 x 2
  • Key Features
    • Y-Bridge Power Architecture
    • Edge and Spread Spectrum Control
    • Full Scale Ultrasonic Output up to 40 kHz
  • Output Power (1 % THD+N)
    • 13 W (4 Ω, 12 V)
    • 8 W (8 Ω, 12 V)
  • Power Consumption (1 % THD+N, 4 Ω, 12 V)
    • 81% Efficient at 1W
    • 85% Efficient at 13W
    • 3mA in Noise Gate Mode
    • <1uA in Hardware Shutdown Mode
  • Power Supplies and Management
    • PVDD: 2.3 V to 16 V
    • VBAT1S: 2.3 V to 5.5 V
    • AVDD: 1.8 V
    • IOVDD: 1.2 V/ 1.8 V
    • Brownout Protection
    • PVDD Tracking Peak Voltage Limiter
  • Interfaces and Control
    • SDOUT and I2S Feedback for Echo Cancellation
    • I2S/TDM: 8 Channels of 32-bit up to 96 kHz
    • I2C: 8 addresses with Fast Mode Plus Support
    • 44.1 kHz to 96 kHz Sample Rates
    • Inter Chip Communication Bus
  • Integrated Speaker Management and Protection
    • Speaker Voltage and Current Sense
    • Short and Open Detection
    • Thermal and Over Current Protection
    • Over Power Protection
  • Key Features
    • Y-Bridge Power Architecture
    • Edge and Spread Spectrum Control
    • Full Scale Ultrasonic Output up to 40 kHz
  • Output Power (1 % THD+N)
    • 13 W (4 Ω, 12 V)
    • 8 W (8 Ω, 12 V)
  • Power Consumption (1 % THD+N, 4 Ω, 12 V)
    • 81% Efficient at 1W
    • 85% Efficient at 13W
    • 3mA in Noise Gate Mode
    • <1uA in Hardware Shutdown Mode
  • Power Supplies and Management
    • PVDD: 2.3 V to 16 V
    • VBAT1S: 2.3 V to 5.5 V
    • AVDD: 1.8 V
    • IOVDD: 1.2 V/ 1.8 V
    • Brownout Protection
    • PVDD Tracking Peak Voltage Limiter
  • Interfaces and Control
    • SDOUT and I2S Feedback for Echo Cancellation
    • I2S/TDM: 8 Channels of 32-bit up to 96 kHz
    • I2C: 8 addresses with Fast Mode Plus Support
    • 44.1 kHz to 96 kHz Sample Rates
    • Inter Chip Communication Bus
  • Integrated Speaker Management and Protection
    • Speaker Voltage and Current Sense
    • Short and Open Detection
    • Thermal and Over Current Protection
    • Over Power Protection

The TAS2764 is a mono digital input Class-D audio amplifier optimized for efficiently driving high peak power into small loudspeakers. The Class-D amplifier is capable of delivering 13 W of continuous power into a 4 Ω load with less than 1 % THD+N at a supply voltage of 12 V.

Y-Brige architecture improves overall efficiency at low level of output power and in idle mode.

Integrated speaker voltage and current sense provides for real time monitoring of loudspeaker behavior. A supply tracking peak voltage limiter optimizes amplifier headroom. Brownout prevention scheme with multiple thresholds allows reducing the gain in signal path when the supply drops.

TAS2764 ultrasonic output support allows device to be used for advance ultrasonic applications like motion and proximity detection, gesture recognition, etc.

Up to eight TAS2764 devices can share a common bus via I2S/TDM and I2C interfaces.

The device is available in a 30-ball, 0.4 mm pitch CSP for a compact PCB footprint.

The TAS2764 is a mono digital input Class-D audio amplifier optimized for efficiently driving high peak power into small loudspeakers. The Class-D amplifier is capable of delivering 13 W of continuous power into a 4 Ω load with less than 1 % THD+N at a supply voltage of 12 V.

Y-Brige architecture improves overall efficiency at low level of output power and in idle mode.

Integrated speaker voltage and current sense provides for real time monitoring of loudspeaker behavior. A supply tracking peak voltage limiter optimizes amplifier headroom. Brownout prevention scheme with multiple thresholds allows reducing the gain in signal path when the supply drops.

TAS2764 ultrasonic output support allows device to be used for advance ultrasonic applications like motion and proximity detection, gesture recognition, etc.

Up to eight TAS2764 devices can share a common bus via I2S/TDM and I2C interfaces.

The device is available in a 30-ball, 0.4 mm pitch CSP for a compact PCB footprint.
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Technical documentation

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* Data sheet TAS2764 Digital Input Mono Class-D Audio Amplifier With Speaker IV Sense datasheet (Rev. A) PDF | HTML 19 Mar 2021
Application note Class-D Amplifiers Driving High-Inductance Loads in Speakers and Haptics Coils PDF | HTML 24 Jun 2026
Application note EMI Filter Selection in Class-D Amplifier a Post Filter Feedback Benefits and Design Considerations for TAS27X PDF | HTML 02 Jul 2024
Application note TAS27xx Introduction to Click and Pop Noise Measurement in Class-D Audio Amplifiers PDF | HTML 26 Mar 2024
Technical article How smart amps are bringing high-fidelity audio into the smart home PDF | HTML 03 May 2021
Technical article How to extend battery life and reduce power consumption with Class-D audio amplifi PDF | HTML 10 Dec 2020
Certificate TAS2764EVM EU RoHS Declaration of Conformity (DoC) 17 Nov 2020
Application note Limitations of Capacitor only EMI Filters on Class-D Amplifiers PDF | HTML 21 Jul 2020
Application note Requesting Access to Audio Software 18 Jun 2020
Application note PCB Layout Guidelines for TAS2xxx Series Class-D Non-boosted Audio Amplifier 27 Jun 2019
Application note TAS2764 Schematic and Layout Guidelines 03 Dec 2018

Design & development

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Evaluation board

TAS2764EVM — Digital input mono Class-D audio amplifier with speaker IV sense evaluation module

The TAS2764EVM evaluation module (EVM) is used to evaluate the TAS2764, a mono digital input Class-D audio amplifier optimized for efficiently driving high peak power into small loudspeakers. The Class-D amplifier is capable of delivering 13 W of continuous power into a 4 Ω load with less (...)
User guide: PDF
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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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Support software

TAS2764-SW — TAS2764 GUI and software for PurePath™ Console 3

TAS2764 GUI and software for PurePath™ Console 3
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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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