TDA7801 datasheet(41/48 Pages) STMICROELECTRONICS

Part #	TDA7801

Description	Digital input quad power amplifier with built-in diagnostics features

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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41 / 48 page

DocID022674 Rev 4

41/48

TDA7801

I2C registers

9.8

DB2-Addr:"10010"" - Channel 3 (right front)

Table 18. DB2-Addr:"10010"" - Channel 3 (right front)

Bit

Instruction decoding bit

TW3 active

0: TW3 threshold not trespassed

1: TW3 threshold tress-passed

TW4 active

0: TW4 threshold not trespassed

1: TW4 threshold tress-passed

Channel 3 offset detection

0: No output offset

1: Output offset detected

Channel 3(1)

0: Permanent diag. cycle not activated or not terminated

1: Permanent diag. cycle terminated

1. The permanent diagnostic cycle is activated after each register reading if the permanent diagnostic is still

present.

Channel 3

0: Normal load

1: Short load

Channel 3

0: No open load

1: Open load detection

(only during turn-on diagnostic)

Channel 3

0: No short to Vcc

1: Short to Vcc

Channel 3

0: No short to GND

1: Short to GND

TDA7801 Datasheet(PDF) 41 Page - STMicroelectronics