TDA8920CJ/N1,112

TDA8920B 系列 30 V 20 KHz 2 X 110 W Class-D 功率放大器 DBS23P

Overview

The TDA8920C is a high-efficiency class-D audio power amplifier. The typical output power is 2 x 110 W with a speaker load impedance of 4 Ω.

The TDA8920C is available in both HSOP24 and DBS23P power packages. The amplifier operates over a wide supply voltage range from +-12.5 V to +-32.5 V and features low quiescent current consumption.

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## Features

* Pin compatible with TDA8950/20B for both HSOP24 and DBS23P packages

* Symmetrical operating supply voltage range from +-12.5 V to +-32.5 V

* Stereo full differential inputs, can be used as stereo Single-Ended SE or mono Bridge-Tied Load BTL amplifier

* High output power in typical applications:

* SE 2 x 110 W, RL = 4 Ω VP = +-30 V

* SE 2 x 125 W, RL = 4 Ω VP = +-32 V

* SE 2 x 120 W, RL = 3 Ω VP = +-29 V

* BTL 1 x 220 W, RL = 8 Ω VP =+-30 V

* Low noise

* Smooth pop noise-free start-up and switch off

* Zero dead time switching

* Fixed frequency

* Internal or external clock

* High efficiency

* Low quiescent current

* Advanced protection strategy: voltage protection and output current limiting

* Thermal FoldBack TFB

* Fixed gain of 30 dB in SE and 36 dB in BTL applications

* Fully short-circuit proof across load

* BD modulation in BTL configuration

## Target Applications

* DVD

* Mini and micro receiver

* Home Theater In A Box HTIAB system

* High-power speaker system

## Features