100-W stereo, 200-W mono, 0- to 34-V supply, PWM input open loop Class-D audio amplifier


Product details


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HTSSOP (DDV) 44 113 mm² 14 x 8.1 open-in-new Find other Speaker amps


  • Total Power Output (Bridge Tied Load)
    • 2 × 100 W at 10% THD+N Into 4 Ω
    • 2 × 80 W at 10% THD+N Into 6 Ω
    • 2 × 65 W at 10% THD+N Into 8 Ω
  • Total Power Output (Single Ended)
    • 4 × 40 W at 10% THD+N Into 3 Ω
    • 4 × 30 W at 10% THD+N Into 4 Ω
  • Total Power Output (Parallel Mode)
    • 1 × 200 W at 10% THD+N Into 2 Ω
    • 1 × 160 W at 10% THD+N Into 3 Ω
  • >110 dB SNR (A-Weighted With TAS5518 Modulator)
  • <0.1% THD+N (1 W, 1 kHz)
  • Supports PWM Frame Rates of 192 kHz to 432 kHz
  • Resistor-Programmable Current Limit
  • Integrated Self-Protection Circuitry, Including:
    • Under Voltage Protection
    • Overtemperature Warning and Error
    • Overload Protection
    • Short-Circuit Protection
    • PWM Activity Detector
  • Standalone Protection Recovery
  • Power-On Reset (POR) to Eliminate System Power-Supply Sequencing
  • High-Efficiency Power Stage (>90%) With 80-mΩ Output MOSFETs
  • Thermally Enhanced Package 44-Pin HTSSOP (DDV)
  • Error Reporting, 3.3-V and 5-V Compliant
  • EMI Compliant When Used With Recommended System Design
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The TAS5342A is a high-performance, integrated stereo digital amplifier power stage designed to drive a 4-Ω bridge-tied load (BTL) at up to 100 W per channel with low-harmonic distortion, low-integrated noise, and low-idle current.

The TAS5342A has a complete protection system integrated on-chip, safeguarding the device against a wide range of fault conditions that could damage the system. These protection features are short-circuit protection, over-current protection, under voltage protection, over temperature protection, and a loss of PWM signal (PWM activity detector).

A power-on-reset (POR) circuit is used to eliminate power-supply sequencing that is required for most power-stage designs.

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Technical documentation

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Type Title Date
* Datasheet TAS5342A 100-W Stereo Digital Amplifier Power Stage datasheet (Rev. A) Nov. 11, 2016
Application notes Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) Aug. 26, 2019
Application notes AN-1849 An Audio Amplifier Power Supply Design (Rev. C) Jun. 27, 2019
Application notes AN-1737 Managing EMI in Class D Audio Applications (Rev. A) May 01, 2013

Design & development

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

Hardware development

document-generic User guide

The TAS5342DDV6EVM PurePath Digital™ customer evaluation module demonstrates the integrated circuits TAS5342DDV and TAS5508BPAG from Texas Instruments(TI).

The TAS5342DDV is a high-performance, integrated stereo Digital Amplifier Power Stage designed to drive 4 Ohm speakers at up to 100 W (...)

  • 5/6 channel PurePath Digital™ evaluation module.
  • Subwoofer Line Output (LFE Output).
  • Self-contained protection system (short circuit & thermal).
  • Standard I²S and I²C / Control connector for TI input board
  • Double-sided plated-through PCB layout.
  • Populated EVM Board
  • Populated Interface Board
  • IDC, PSU and USB (...)

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