TAS5342 (NRND)

100-W Stereo Digital Amplifier Power Stage

Not Recommended for New Designs (NRND)

Replaced By TAS5342A – The device has the SAME FUNCTIONALITY and PINOUT as the compared device but is NOT an exact equivalent.  

TI does not recommend using this part in a new design. This product continues to be in production to support existing customers.

Description

The TAS5342 is a high-performance, integrated stereo digital amplifier power stage designed to drive a 4- bridge-tied load (BTL) at up to 100 W per channel with low harmonic distortion, low integrated noise, and low idle current.

The TAS5342 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.

Features

  • Total Power Output (Bridge Tied Load)
    • 2 × 100 W at 10% THD+N Into 4
  • Total Power Output (Single Ended)
    • 4 × 40 W at 10% THD+N Into 3
  • Total Power Output (Parallel Mode)
    • 1 × 200 W at 10% THD+N Into 2
  • >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-m Output MOSFETs
  • Thermally Enhanced Package 44-Pin HTSSOP (DDV)
  • Error Reporting, 3.3-V and 5.0-V Compliant
  • EMI Compliant When Used With Recommended System Design
  • APPLICATIONS
    • Mini/Micro Audio System
    • DVD Receiver
    • Home Theater

PurePath Digital, PowerPad are trademarks of Texas Instruments.
All other trademarks are the property of their respective owners.

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