TDA8922CTH/N1,118 2 X 75 W class-D power amplifier intregrated circuit integrated semiconductor

2 × 75 W class-D power amplifier

Features

■ Pin compatible with TDA8950/20C 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

■ 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 curren

■ 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

General description

The TDA8922C is a high-efficiency Class D audio power amplifier. Typical output power is 2 × 75 W with a speaker load impedance of 6 Ω.

The TDA8922C 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.

Block diagram

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