The TDA8542AT is a two channel audio power amplifier for an output power of 2 × 1.5 W with an 8 Ω load at a 6 V supply. The circuit contains two Bridge-Tied Load (BTL) amplifiers with a complementary PNP-NPN output stage and standby/mute logic. The TDA8542AT comes in a 20-pin SO package.
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