TDA7567PD

4× 50W的差分四功率放大器，内置的诊断功能 4 x 50 W differential quad power amplifier with built-in diagnostics features

Description

The is a new BCD technology quad bridge power amplifier in PowerSO36 package specially intended for automotive applications.

Features

■ Multipower BCD technology

■ MOSFET output power stage

■ DMOS power output

■ Differential Input

■ New high efficiency class SB

■ High output power capability 4x28 W/4 Ω@ 14.4 V, 1 kHz, 10% THD, 4x50 W MAX power

■ Max. output power 4x72 W/2 Ω

■ Full I2C bus driving:

    – Standby

    – Independent front/rear soft play/mute

    – Selectable gain 26 dB /16 dB for low noise line output function

    – High efficiency enable/disable

    –I2C bus digital diagnostics including DCand AC load detection

■ Operates both in I2C and non-I2C bus mode

■ Two selectable I2C bus addresses

■ Full fault protection

■ DC offset detection

■ Four independent short circuit protection

■ Clipping detector pin with selectable threshold 2 %/10 %

■ Standby/mute pin

■ Linear thermal shutdownwith multiple thermal warning

■ ESD protection