TDA7801SM datasheet(36/48 Pages) STMICROELECTRONICS

Part #	TDA7801SM

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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36 / 48 page

I2C registers

TDA7801

36/48

DocID022674 Rev 4

I2C registers

9.1

IB0-Addr:"00000"

9.2

IB1-Addr:"00001"

Table 11. IB0-Addr:"00000"

Bit

Instruction decoding bit

0: diagnostic defeat

1: diagnostic enable

0: Speaker mode diagnostic ch. 1 and 3 (FRONT)

1: Booster mode diagnostic ch. 1 and 3

0: Speaker mode diagnostic ch. 2 and 4 (REAR)

1: Booster mode diagnostic ch. 2 and 4

Gain channel 1 and 3 (FRONT)

D4 D3

00 GV1

01 GV2

10 GV3

11 GV4

Gain channel 2 and 4 (REAR)

D2 D1

00 GV1

01 GV2

10 GV3

11 GV4

0: No increase of digital gain

1: +6dB increase of digital gain

Table 12. IB1-Addr:"00001"

Bit

Instruction decoding bit

0: Amplifier mode off - Amplifier not working

1: Amplifier mode on - Amplifier working

Mute Time Setting

D6 D5 D4

mute timing(Fs=44.1kHz)

000

1.45 ms

001

5.8 ms

010

11.6 ms

011

23.2 ms

100

34.8 ms

101

69.6 ms

110

140 ms

111

278 ms

0: Mute channel 1 and 3 (FRONT)

1: Unmute channel 1 and 3

TDA7801SM Datasheet(PDF) 36 Page - STMicroelectronics

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