TAS5342LDDVR中文资料德州仪器数据手册PDF规格书

1FEATURES

23· 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 5.0-V Compliant

· EMI Compliant When Used With

Recommended System Design

APPLICATIONS

· Mini/Micro Audio System

· DVD Receiver

· Home Theater

DESCRIPTION

The TAS5342L 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 TAS5342L 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.