TDA7571 Просмотр технического описания (PDF) - STMicroelectronics

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TDA7571

STPDACsw - Fully digital high efficiency power audio amplifier

STMicroelectronics 

TDA7571

STPDACsw - Fully digital high efficiency power audio amplifier

Features

■ Output power 2 x 70W / 1 x 250W @ THD<1%

■ I2S input (FS = 38 to 48kHz)

■ 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

Description

The TDA7571 i is a fully digital switchmode power

audio amplifier with I2S digital input and PWM

output.

HiQUAD-64

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.

Table 1.

Device summary

Order code

TDA7571

Package

HiQUAD-64

Packing

Tray

September 2007

Rev 1

1/21

www.st.com

21

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