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TDA7546 Datasheet(PDF) 44 Page - STMicroelectronics

Part # TDA7546
Description  Multichip module for TMC tuner applications
PDF  68 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7546 Datasheet(HTML) 44 Page - STMicroelectronics

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Software specifications
TDA7546
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Table 21.
Addr 10 quality detection multipath
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
Multipath control “ON”
1
Multipath control “OFF”
0
MP bandpass frequency 19KHz
1
MP bandpass frequency 31KHz
0
MP gain 12dB
1
MP gain 23dB
0
0
MP threshold 0.50V
0
1
MP threshold 0.75V
1
0
MP threshold 1.00V
1
1
MP threshold 1.25V
0
0
Application mode 1
0
1
Application mode 2
0
Multipath eliminates ac
1
Multipath eliminates ac and ac+
Table 22.
Addr 11 quality deviation detection
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
0
0
charge current 34
μA, discharge current 6μA
0
0
1
charge current 32
μA, discharge current 8μA
0
1
0
charge current 30mA, discharge current 10
μA
0
1
1
charge current 28
μA, discharge current 12μA
--
-
-
1
1
1
charge current 20
μA, discharge current 20μA
0
0
DEV threshold for ISS narrow/wide 30KHz
0
1
DEV threshold for ISS narrow/wide 45KHz
1
0
DEV threshold for ISS narrow/wide 60KHz
1
1
DEV threshold for ISS narrow/wide 75KHz
0
0
DEV threshold for ISS filter “OFF” ratio 1.5
0
1
DEV threshold for ISS filter “OFF” ratio 1.4
1
0
DEV threshold for ISS filter “OFF” ratio 1.3
1
1
DEV threshold for ISS filter “OFF” ratio 1



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