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TDA7540N 데이터시트(PDF) 55 Page - STMicroelectronics

부품명 TDA7540N
상세설명  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system (ISS)
PDF  76 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7540N 데이터시트(HTML) 55 Page - STMicroelectronics

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TDA7540N
Software specification
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Addr 20 Tank Adjust
Table 30.
Addr 18 S-meter slider
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0000
S meter slider offset SL=0dB
0001
S meter offset SL=1dB
0010
S meter offset SL=2dB
-
---
-
1111
S meter offset SL=15dB
0
S meter offset -SL
1
S meter offset +SL
0
S Meter slope 1V/decade
1
S meter slope 1.5V/decade
0
Overdeviation correction current max=45µA
1
Overdeviation correction current max=90µA
0
Overdeviation correction “OFF”
1
Overdeviation correction “ON”
Table 31.
Addr 19 IF GAIN/XTAL adjust
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
Xtal amplitude limitation disable
1
Xtal amplitude limitation enable
0
0
IF1 gain1 9dB
0
1
IF1 gain1 12dB
1
0
IF1 gain1 15dB
1
1
IF1 gain1 18dB
00000
CLoad 0pF
00001
CLoad 0.75pF
00010
CLoad 1.5pF
00011
CLoad 2.25pF
00100
CLoad 3pF
-----
-
11111
CLoad 23.25pF



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