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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?. 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.

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

High output power in typical applications:

SE 2×75 W, RL=6?(VDD=30V; VSS=?30 V)

SE 2×60 W, RL=8?(VDD=30V; VSS=?30 V)

BTL 1×155 W, RL=8?(VDD=25V; VSS=?25 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