TDA7570

TDA7570 250W PWM high efficiency power audio amplifier Features ■ Output power www.DataSheet4U.com ■ PWM output ■ ■ ■ ■ ■ ■ ■ ■ 2 x 70W / 1 x 250W @ THD<1% ±30V supply voltage (Max) Stand-by Mute Protections against short circuit across the load Chip thermal protection External temperature sensor possibility Thermal warning pins Adjustable clip detector pin The maximum output current and voltage swing are depending by the output circuitry (power supply, external power transistors and sensing resistors). The device can work as a stereo single-ended channels or a mono bridge power amplifier. HiQUAD64 Description The TDA7570 is a switchmode power audio amplifier with differential inputs and PWM output. Table 1. Device summary Order code TDA7570 Package HiQUAD64 Packing Tray August 2007 Rev 1 1/17 www.st.com 17 Contents TDA7570 Contents 1 2 3 www.DataSheet4U.com Block and simplified application diagram . . . . . . . . . . . . . . . . . . . . . . . 3 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.1 3.2 3.3 3.4 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....