TDA7571

TDA7571 STPDACsw - Fully digital high efficiency power audio amplifier Features ■ Output power 2 x 70W / 1 x 250W www.DataSheet4U.com2 ■ I S input (FS = 38 to 48kHz) ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ @ THD<1% PWM output (FPWM = FS x 8) MCLK input = 256 x FS Operation on 24bit ±30V supply voltage (Max.) St-by Mute Stereo/bridge operation selection 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. HiQUAD-64 Description The TDA7571 i is a fully digital switchmode power audio amplifier with I2S digital input and PWM output. Table 1. Device summary Order code TDA7571 Package HiQUAD-64 Packing Tray September 2007 Rev 1 1/21 www.st.com 21 Contents TDA7571 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 . . . . . . . . . . . . ...