TDA7562 Datasheet, PDF (15/17 Pages) STMicroelectronics – MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES

TDA7562
Examples of bytes sequence
1 - Turn-On of the power amplifier with 30dB gain, mute on, diagnostic defeat, CD = 2%.
Start Address byte with D0 = 0
ACK
IB1
ACK
IB2
X0000000
XXX1XX11
ACK STOP
2 - Turn-Off of the power amplifier
Start Address byte with D0 = 0
ACK
IB1
X0XXXXXX
ACK
IB2
XXX0XXXX
ACK STOP
3 - Offset detection procedure enable
Start Address byte with D0 = 0
ACK
IB1
XX1XX11X
ACK
IB2
XXX1XXXX
ACK STOP
4 - Offset detection procedure stop and reading operation (the results are valid only for the offset detection bits
(D2 of the bytes DB1, DB2, DB3, DB4).
Start Address byte with D0 = 1 ACK DB1 ACK DB2 ACK DB3 ACK DB4 ACK 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 4 to 5 can be selected by software, starting from T.B.D. ms
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