STMicroelectronics TDA7476
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.| Part No. | TDA7476 |
|---|---|
| Datasheet | TDA7476 Download |
| Manufacturer |  STMicroelectronics |
| Description | CAR RADIO DIAGNOSTIC PROCESSOR |
| Buy | Stock & Price |
DESCRIPTION
The device is able to reveal any fault in the loudspeaker lines and in the antenna and booster supply lines, providing a proper output signal (I2C bus compatible) in order to disable the ICs under fault and/or to alert µcontroller by means of warning messages. GND SDA SCL ADD W AUX1 OUT AUX1 IN AUX2 IN AUX2 OUT 5V ST-BY VS 1 2 3 4 5 6 7 8 9 10 11 12 D97AU570 24 23 22 21 20 19 18 17 16 15 14 13 CH5CH5+ CH4+ CH4CH3CH3+ CH2+ CH2CH1CH1+ T-CAP CURR. SET. RES. December 1999 1/15 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. TDA7476 BLOCK DIAGRAM SDA SCL ADD VS C3 10µF R3 10KΩ W C2 100nF 2 3 4 I2C INTERFACE 24 23 22 21 CH4 CH5 12 20 19 5 DELAY CURRENT FORCING & COMPARATORS VOLTAGE REGULATOR & TEST SIGNAL GENERATOR 18 17 R4 10KΩ 16 15 6 RSENS1 7 CT RCS 8 IN R5 51Ω DIG-GND 1 9 OUT D96AU499A CH3 CH2 ST-BY SW1 5V REF C1 10∝F 11 10 14 13 CH1 OUT AUX1 IN RSENS2 AUX2ABSOLUTE MAXIMUM RATINGS
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