General description The TFA9843J contains two identical audio power amplifiers. The TFA9843J can be used as two Single-Ended (SE) channels with a fixed gain of 26 dB or one Bridge-Tied Load (BTL) channel with a fixed gain of 32 dB. The TFA9843J comes in a 9-pin DIL-bent-SIL (DBS7P) power package. The TFA9843J is pin compatible with the TFA9842J and TFA9841J.

Features ■ SE: 1 W to 20 W; BTL: 4 W to 40 W operation possibility ■ Soft clipping ■ Standby and mute mode ■ No on/off switching plops ■ Low standby current ■ High supply voltage ripple rejection ■ Outputs short-circuit protected to ground, supply and across the load ■ Thermally protected ■ Pin compatible with the TFA9842J and TFA9841J.

Applications ■ Television ■ PC speakers ■ Boom box ■ Mini and micro audio receivers.