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Description

The TDA7491LP is a dual BTL class-D audio amplifier with single power supply designed for LCD TVs and monitors.

Thanks to the high efficiency and exposed-pad-down (EPD) package no separate heatsink is required.

Furthermore, the filterless operation allows a reduction in the external component count. The TDA7491LP is pin-to-pin compatible with the TDA7491P and TDA7491HV.

Features

■ 5 W + 5 W continuous output power: RL = 8 Ω, THD = 10 at VCC = 9 V

■ 5 W + 5 W continuous output power: RL = 4 Ω, THD = 10 at VCC = 6.6 V

■ Wide range single supply operation (5 V - 14 V)

■ High efficiency (η = 90)

■ Four selectable, fixed gain settings of nominally 20 dB, 26 dB, 30 dB and 32 dB

■ Differential inputs minimize common-mode noise

■ Filterless operation

■ No ‘pop’ at turn-on/off

■ Standby and mute features

■ Short-circuit protection

■ Thermal overload protection

■ Externally synchronizable