TDA7575PD Datasheet, PDF (9/17 Pages) STMicroelectronics – MULTIFUNCTION DUAL BRIDGE POWER AMPLIFIER WITH INTEGRATED DIGITAL DIAGNOSTICS

TDA7575PD
SOFTWARE SPECIFICATIONS
All the functions of the TDA7575PD are activated by I²C interface.
The bit 0 of the "ADDRESS BYTE" defines if the next bytes are write instruction (from µP to TDA7575PD) or
read instruction (from TDA7575PD to µP).
ADDRESS SELECTION
A6
1
A5
1
A4
0
A3
1
A2
0
A1
B
A0
A
R/W
X
If R/W = 0, the µP sends 2 "Instruction Bytes": IB1 and IB2.
IB1
D7
X
D6
Diagnostic enable (D6 = 1)
Diagnostic defeat (D6 = 0)
D5
Offset Detection enable (D5 = 1)
Offset Detection defeat (D5 = 0)
D4
Gain = 26dB (D4 = 0)
Gain = 12dB (D4 = 1)
D3
X
D2
Mute (D2 = 0)
Unmute (D2 = 1)
D1
X
D0
CD 2% (D0 = 0)
CD 10% (D0 = 1)
IB2
D7
X
D6
used for testing
D5
used for testing
D4
Stand-by on - Amplifier not working - (D4 = 0)
Stand-by off - Amplifier working - (D4 = 1)
D3
Power Amplifier Mode Diagnostic (D3 = 0);
Line Driver Mode Diagnostic (D3 = 1)
D2
X
D1
Power amplifier working in standard mode (D1 = 0)
Power amplifier working in high efficiency mode (D1 = 1)
D0
X
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