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TDA7803A Datasheet(PDF) 47 Page - STMicroelectronics

Part # TDA7803A
Description  High efficiency digital input automotive quad power amplifier with built-in diagnostics features, start stop compatible
PDF  72 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7803A Datasheet(HTML) 47 Page - STMicroelectronics

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DS12195 Rev 7
47/72
TDA7803A
I2C registers
71
10.1.2
IB1 - Subaddress "I0000001h" - default = "00000000"
Table 17. IB1 - Subaddress "I0000001h" - default = "00000000"
Bit
Instruction decoding bit
D7
Impedance efficiency optimizer (front channels)
0: Efficiency optimized for 2 ohm
1: Efficiency optimized for 4 ohm
D6
Impedance efficiency optimizer (rear channels)
0: Efficiency optimized for 2 ohm
1: Efficiency optimized for 4 ohm
D5
D4
Digital gain selection
D4 D5
Digital gain
0
0
No digital gain
1
0
+6 dB
0
1
+12 dB
1
1
Not used
D3
D2
Gain Channel 1 & 3
D3 D2
Gain
0
0
GV1
0
1
GV2
1
0
GV3
1
1
GV4
D1
D0
Gain Channel 2 & 4
D1 D0
Gain
0
0
GV1
0
1
GV2
1
0
GV3
1
1
GV4



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