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TDA7565

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
TDA7565 Software specifications
Doc ID 9800 Rev 5 13/19
Table 7. IB2
Bit Instruction
D7
Voltage converter enabled (D7 = 1)
Voltage converter disabled (D7 = 0)
D6 Regulated voltage selection 1
D5 Test speed
D4
Stand-by on - amplifier not working - (D4 = 0)
Stand-by off - amplifier working - (D4 = 1)
D3 Regulated voltage selection 0)
D2 To be forced to “Level 1”
D1
Right channel
Power amplifier working in standard mode (D1 = 0)
Power amplifier working in Hi Eff. mode(D1 = 1)
D0
Left channel
Power amplifier working in standard mode (D0 = 0)
Power amplifier working in Hi Eff. mode(D0 = 1)
Table 8. DB1
Bit Instruction
D7 Thermal warning
D6 X
D5 X
D4 X
D3 X
D2 Offset (LF)
D1 Short circuit protection (CH1)
D0 X
Table 9. DB2
Bit Instruction
D7 Off status
D6 X
D5 Clip detector output
D4 X
D3 X
D2 Offset (LR)
D1 Short circuit protection (CH2)
D0 X
Software specifications TDA7565
14/19 Doc ID 9800 Rev 5
Table 10. DB3
Bit Instruction
D7 Standby status
D6 X
D5 X
D4 X
D3 X
D2 Offset (RF)
D1 Short circuit protection (CH3)
D0 X
Table 11. DB4
Bit Instruction
D7 X
D6 X
D5 X
D4 X
D3 X
D2 Offset (RR)
D1 Short circuit protection (CH4)
D0 X
TDA7565 Examples of bytes sequence
Doc ID 9800 Rev 5 15/19
5 Examples of bytes sequence
1 - Turn-on of the power amplifier with 26 dB gain, mute on, diagnostic defeat, high eff.
mode, voltage converter disabled.
2 - Turn-off of the power amplifier
4 - Offset detection procedure start
5 - Offset detection procedure stop and reading operation.
● 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 leakage current or humidity between pins.
● The delay from 3 to 4 can be selected by software, starting from 1 ms
Start Address byte with D0 = 0 ACK IB1 ACK IB2 ACK STOP
XX00X000 0XX1XX10
Start Address byte with D0 = 0 ACK IB1 ACK IB2 ACK STOP
XXXXXXXX XXX0XXX0
Start Address byte with D0 = 0 ACK IB1 ACK IB2 ACK STOP
XX1XX11X XXX1XXX0
Start Address byte with D0 = 1 ACK DB1 STOP
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

TDA7565

Mfr. #:
Buy TDA7565
Manufacturer:
STMicroelectronics
Description:
Audio Amplifiers Quad Power Amplifier Built-in Volt Conv
Lifecycle:
New from this manufacturer.
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