TDA7801PD datasheet(40/48 Pages) STMICROELECTRONICS

部件名	TDA7801PD

功能描述	Digital input quad power amplifier with built-in diagnostics features

PDF	48 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

40 / 48 page

I2C registers

TDA7801

40/48

DocID022674 Rev 4

9.7

DB1-Addr:"10001" - Channel 2 (left rear)

Table 17. DB1-Addr:"10001" - Channel 2 (left rear)

Bit

Instruction decoding bit

TW1 active

0: TW1 threshold not trespassed

1: TW1 threshold tress-passed

TW2 active

0: TW2 threshold not trespassed

1: TW2 threshold tress-passed

Channel 2 offset detection

0: No output offset

1: Output offset detected

Channel 2(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 2

0: Normal load

1: Short load

Channel 2

0: No open load

1: Open load detection

(only during turn-on diagnostic)

Channel 2

0: No short to Vcc

1: Short to Vcc

Channel 2

0: No short to GND

1: Short to GND

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