TDA7498
100瓦100瓦的双BTL D类音频放大器 100-watt 100-watt dual BTL class-D audio amplifier
Description
The is a dual BTL class-D audio amplifier with single power supply designed for home systems and active speaker applications.
It comes in a 36-pin PowerSSO package with exposed pad up EPU tofacilitate mounting a separate heatsink.
Features
■ 100-W + 100-W output power at THD = 10% with RL= 6 Ωand VCC = 36 V
■ 80-W + 80-W output power at THD = 10% with RL = 8 Ω and VCC = 34 V
■ Wide-range single-supply operation 14 - 39 V
■ High efficiency η= 90%
■ Four selectable, fixed gain settings of nominally 25.6 dB, 31.6 dB, 35.1 dB and 37.6 dB
■ Differential inputs minimize common-mode noise
■ Standby and mute features
■ Short-circuit protection
■ Thermal overload protection
■ Externally synchronizable