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BUY TDA7566 https://www.utsource.net/itm/p/982225.html
MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES
Description: The TDA7566 is a four-channel car radio amplifier IC from STMicroelectronics. It is designed for use in car radios, multi-channel amplifiers, and other audio applications. Features: Four-channel amplifier High output power: 4 x 25 W/4 Ω Low distortion: 0.03% THD Low quiescent current: 1.5 A High efficiency: up to 90% Protection against short-circuit, over-temperature, and over-voltage Thermal shutdown Low external component count Applications: Car radio amplifiers Multi-channel amplifiers Other audio applications (For reference only)