STMicroelectronics TDA7570
250W PWM High Efficiency Power Audio Amplifier
FEATURES
● Output power● PWM output
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● 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 17 Contents TDA7570 Contents 1 2 3 Block and simplified application diagram . . . . . . . . . . . . . . . . . . . . . . . 3 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .