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TAS5751M

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25-W stereo, 40-W mono, 8- to 26.4-V, digital input open loop Class-D audio amplifier w/ EQ & AGL

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Data sheet

TAS5751M

ACTIVE
Data sheet Order now

Product details

Audio input type Digital Input Architecture Class-D Speaker channels (max) Stereo Control interface Software Output power (W) 25 Power stage supply (max) (V) 26.4 Power stage supply (min) (V) 8 RDS(on) (Ω) 0.08 THD + N at 1 kHz (%) 0.03 Load (min) (Ω) 4 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 3.6 Rating Catalog Operating temperature range (°C) 0 to 85
Audio input type Digital Input Architecture Class-D Speaker channels (max) Stereo Control interface Software Output power (W) 25 Power stage supply (max) (V) 26.4 Power stage supply (min) (V) 8 RDS(on) (Ω) 0.08 THD + N at 1 kHz (%) 0.03 Load (min) (Ω) 4 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 3.6 Rating Catalog Operating temperature range (°C) 0 to 85
HTSSOP (DCA) 48 101.25 mm² (12.5 mm × 8.1 mm)
  • Audio Input/Output
    • One-Stereo Serial Audio Input
    • Supports 44.1-kHz and 48-kHz Sample Rates (LJ/RJ/I²S)
    • Supports 3-Wire I²S Mode (no MCLK required)
    • Automatic Audio Port Rate Detection
    • Supports BTL and PBTL Configuration
    • POUT = 25 W at 10% THD+N
      • PVDD = 20 V, 8 Ω, 1 kHz
  • Audio/PWM Processing
    • Independent Channel Volume Controls With Gain of 24 dB to Mute in 0.125-dB Steps
    • Programmable Three-Band Automatic Gain Limiting (AGL)
    • 20 Programmable Biquads for Speaker EQ and Other Audio-Processing Features
  • General Features
    • 106-dB SNR, A-Weighted, Referenced to Full Scale (0 dB)
    • I²C Serial Control Interface w/ two Addresses
    • Thermal, Short-Circuit, and Undervoltage Protection
    • Up to 90% Efficient
    • AD, BD, and Ternary Modulation
    • PWM Level Meter
  • Audio Input/Output
    • One-Stereo Serial Audio Input
    • Supports 44.1-kHz and 48-kHz Sample Rates (LJ/RJ/I²S)
    • Supports 3-Wire I²S Mode (no MCLK required)
    • Automatic Audio Port Rate Detection
    • Supports BTL and PBTL Configuration
    • POUT = 25 W at 10% THD+N
      • PVDD = 20 V, 8 Ω, 1 kHz
  • Audio/PWM Processing
    • Independent Channel Volume Controls With Gain of 24 dB to Mute in 0.125-dB Steps
    • Programmable Three-Band Automatic Gain Limiting (AGL)
    • 20 Programmable Biquads for Speaker EQ and Other Audio-Processing Features
  • General Features
    • 106-dB SNR, A-Weighted, Referenced to Full Scale (0 dB)
    • I²C Serial Control Interface w/ two Addresses
    • Thermal, Short-Circuit, and Undervoltage Protection
    • Up to 90% Efficient
    • AD, BD, and Ternary Modulation
    • PWM Level Meter

The TAS5751M device is an efficient, digital-input audio amplifier for driving stereo speakers configured as a bridge tied load (BTL). In parallel bridge tied load (PBTL) in can produce higher power by driving the parallel outputs into a single lower impedance load. One serial data input allows processing of up to two discrete audio channels and seamless integration to most digital audio processors and MPEG decoders. The device accepts a wide range of input data and data rates. A fully programmable data path routes these channels to the internal speaker drivers.

The TAS5751M device is a slave-only device receiving all clocks from external sources. The TAS5751M device operates with a PWM carrier between a 384-kHz switching rate and a 288-kHz switching rate, depending on the input sample rate. Oversampling combined with a fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz.

The TAS5751M device is an efficient, digital-input audio amplifier for driving stereo speakers configured as a bridge tied load (BTL). In parallel bridge tied load (PBTL) in can produce higher power by driving the parallel outputs into a single lower impedance load. One serial data input allows processing of up to two discrete audio channels and seamless integration to most digital audio processors and MPEG decoders. The device accepts a wide range of input data and data rates. A fully programmable data path routes these channels to the internal speaker drivers.

The TAS5751M device is a slave-only device receiving all clocks from external sources. The TAS5751M device operates with a PWM carrier between a 384-kHz switching rate and a 288-kHz switching rate, depending on the input sample rate. Oversampling combined with a fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet TAS5751M - Digital Input Audio Power Amplifier with EQ and 3-Band AGL datasheet (Rev. B) PDF | HTML May 15, 2018
More literature TAS5751MEVM Quick Start Guide (Rev. A) Jul 20, 2016

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Evaluation board

PUREPATH-CMBEVM — PurePath™ Console motherboard for audio system design and development

The PurePath™ Console Motherboard (PurePath-CMBEVM) provides a seamless interface between Ti’s latest PurePath Console GUI to supported TI’s digital and mixed-signal audio evaluation modules, including audio amplifiers and audio converters.

The PurePath-CMBEVM is shipped as a stand-alone board. It (...)

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Evaluation board

TAS5751MEVM — TAS5751M Digital Input, Open Loop Class-D Audio Amplifier Evaluation Module

The TAS5751MEVM allows evaluation of the TAS5751M, I2S-input, open-loop amplifier from Texas Instruments. The evaluation module is populated with two TAS5751M devices, one configured for two channel operation and one configured for mono operation. The TAS5751M combines a PWM processor with an (...)

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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.

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HTSSOP (DCA) 48 Ultra Librarian
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