TDA7492PE 2X45W BTL D類音頻放大器

The TDA7492PE is a dual BTL class-D audio amplifier with single power supply designed for home audio applications. The device is housed in a 36-pin PowerSSO package with exposed pad down (EPD) to facilitate power dissipation through a properly designed PCB area underneath the TDA7492PE.

Features

Wide-range single-supply operation (7 - 26 V) ? Possible output configurations: – 2 x PBTL – 1 x Parallel BTL ? BTL output capabilities (VCC = 22 V): – 44 W + 44 W, 4 Ω, THD 1% – 57 W + 57 W, 4 Ω, THD 10% – 32 W + 32 W, 6 Ω, THD 1% – 41 W + 41 W, 6 Ω, THD 10% – 25 W + 25 W, 8 Ω, THD 1% – 32 W + 32 W, 8 Ω, THD 10% ? Parallel BTL output capabilities (VCC = 22 V): – 70 W, 3 Ω, THD 1% – 90 W, 3 Ω, THD 10% ? High efficiency ? Four selectable, fixed-gain settings of nominally 20.8 dB, 26.8 dB, 30 dB and 32.8 dB ? Differential inputs minimize common-mode noise ? Standby, mute and play operating modes ? Short-circuit protection ? Output power limited by PLIMIT function ? Detection of shorted output pins during startup ? Thermal overload protection ? ECOPACK? environmentally friendly package

     

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