TDA7565(2003) データシートの表示（PDF） - STMicroelectronics

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TDA7565
(Rev.:2003)

QUAD POWER AMPLIFIER WITH BUILT-IN VOLTAGE CONVERTER

STMicroelectronics 

TDA7565

Examples of bytes sequence

1 - Turn-On of the power amplifier with 26dB gain, mute on, diagnostic defeat, HighEff mode, voltage converter

disabled.

Start

Address byte with D0 = 0

ACK

IB1

ACK

IB2

ACK STOP

XX00X000

0XX1XX10

2 - Turn-Off of the power amplifier

Start

Address byte with D0 = 0

ACK

IB1

XXXXXXXX

ACK

IB2

XXX0XXX0

ACK STOP

4 - Offset detection procedure start

Start

Address byte with D0 = 0

ACK

IB1

XX1XX11X

ACK

IB2

XXX1XXX0

ACK STOP

4 - Offset detection procedure stop and reading operation.

Start

Address byte with D0 = 1

ACK

DB1

STOP

s The purpose of this test is to check if a D.C. offset (2V typ.) is present on the outputs, produced by input

capacitor with anomalous leackage current or humidity between pins.

s The delay from 3 to 4 can be selected by software, starting from T.B.D. ms

8/10

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