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TDA7540N датащи(PDF) 50 Page - STMicroelectronics

номер детали TDA7540N
подробное описание детали  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system (ISS)
PDF  76 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7540N датащи(HTML) 50 Page - STMicroelectronics

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Software specification
TDA7540N
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Table 22.
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 if MPION=1, NBSMP=1,
MPPC=1, than has to be 0
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 23.
Addr 11 quality deviation detection
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
0
0
charge current 39µA, discharge current 1µA
0
0
1
charge current 38µA, discharge current 2µA
0
1
0
charge current 37µA, discharge current 3µA
0
1
1
charge current 36µA, discharge current 4µA
--
-
-
1
1
1
charge current 32µA, discharge current 8µA
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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