DESCRIPTION

The car radio diagnostic processor is an interface chip in BCD Technology intended for car radio applications. It is able to detect potential faults coming from any misconnection in the car radio or in the harness when installing the set.

■ WIDE OPERATING VOLTAGE RANGE

■ ST-BY FUNCTION (C-MOS)

■ LOW QUIESCENT ST-BY CURRENT CONSUMPTION

■ I2C BUS INTERFACE WITH 2 EXTERNALLY SELECTABLE ADDRESSES

■ UP TO 5 BTL EQUIVALENT INPUTS FOR FAULT DETECTION IN THE AUDIO CHANNELS

- short to GND

- short to Vs

- short across the load (at turn-on)

- open load (at turn-on)

■ 2 AUX INPUTS FOR FAULT DETECTION IN THE ANTENNA AND BOOSTERS SUPPLY LINE- short to GND- open load

■ WARNING PIN FUNCTION (interrupt facility) ACTIVATED IN THE FOLLOWING CONDITION:

- audio channel shorted to VS

- audio channel shorted to GND

- aux input shorted to GND

■ NOISE FREE DIAGNOSTICS OPERATION

■ PROTECTORS

■ LOAD DUMP VOLTAGE

■ OPEN GND

■ REVERSED BATTERY

■ ESD

TDA7476属于集成电路（IC） > 音频专用。意法半导体（ST）集团制造生产的TDA7476音频专用音频专用的半导体器件专为音频信号的滤波、驱动、放大、转换和接口而设计。特征包括功能、应用、通道数、接口、电压和规格。应用包括音频系统、汽车音频、消费类音频、乐器、专业音频、通信系统、电信系统、数字音频、驱动器、前置放大器、信号混合、信号处理、语音触发器解决方案和 10 Base-T。