TAS5342LA 100-W Stereo Digital Amplifier Power Stage | TI.com

TAS5342LA (ACTIVE) 100-W Stereo Digital Amplifier Power Stage

 

Next Generation High Performance, High Resolution Class-D Amplifiers Available

60W / 110W Peak Stereo PurePath™ Ultra-HD Analog-In, Pad-Down Class-D Amplifier: TPA3244

115W Stereo / 230W Mono PurePath™ Ultra-HD, Analog-In Class-D Amplifier: TPA3245

125W Stereo / 250W Mono PurePath™ HD Digital-Input Power Stage: TAS5612LA

Description

The TAS5342LA 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 TAS5342LA 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 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 110-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

Parametrics

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Part number Order Audio input type Architecture Speaker channels (Max) Power stage supply (Min) (V) Power stage supply (Max) (V) Output power (W) Load (Min) (ohms) SNR (dB) THD + N @ 1 kHz (%) Iq (Typ) (mA) Control interface Closed/open loop Analog supply (Min) (V) Analog supply (Max) (V) Power to parallel bridge tied load (Max) (W) Operating temperature range (C) Rating
TAS5342LA Order now PWM     Class-D     4     0     34     100     2     110     0.09     5.6     Hardware     Open     10.8     13.2     200     0 to 70     Catalog