TDA7492 – Dual BTL Class-D Audio Amplifier, PowerSSO36

Description

TDA7492 is a monolithic Class-D audio amplifier developed by STMicroelectronics, operating in bridge-tied load (BTL) configuration. The device is intended for applications such as TVs, monitors, and consumer audio systems where high efficiency and compact design are required.

Thanks to Class-D architecture, the amplifier achieves efficiency up to approximately 90%, significantly reducing power dissipation and heat generation compared to linear amplifiers. The device can deliver output power up to 2×50 W under specified conditions (6 Ω load, 25 V supply, THD = 10%).

Integrated features such as standby and mute functions, along with thermal and overcurrent protection, ensure safe and reliable operation across a wide range of audio applications.

Features

• Dual-channel Class-D amplifier (BTL)
• Output power: up to 2×50 W (6 Ω) , up to 2×40 W (8 Ω)
• Supply voltage range: 8 – 26 V
• High efficiency (up to ~90%)
• Low distortion (THD+N)
• Selectable gain settings (4 levels)
• Differential inputs
• Standby and mute functions
• Thermal and short-circuit protection
• PowerSSO36 package