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TDA7541B Datasheet(PDF) 57 Page - STMicroelectronics

Part # TDA7541B
Description  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system
PDF  77 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7541B Datasheet(HTML) 57 Page - STMicroelectronics

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TDA7541B
Software specification
Doc ID 16048 Rev 1
57/77
Table 31.
Addr 14 IF2 adjust (FM E8h, AM 08h)
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
IF2A<3:0>
00
0
0
Cadj 0 pF
00
0
1
Cadj 2,2 pF
--
-
-
0
0
1
0
Cadj 4,4 pF
00
1
1
Cadj 6,6 pF
01
0
0
Cadj 8,8 pF
10
0
0
Cadj 17,6 pF
11
1
1
Cadj 33 pF
IF2Q<5:4>
0
0
no Rint, AM Q=28/gain=26 dB, FM Q=28/gain=16 dB
--
0
1
-
-
-
-
Rint =5 kOhm, FM Q=3/gain=14 dB, BW=150 kHz
10
Rint =4,1 kOhm, FM Q=2,5/gain=14 dB, BW=180 kHz
11
Rint =3,3 kOhm, FM Q=2,05/gain=14 dB, BW=220 kHz
IF1G<7:6>
0
0
IF1 gain 9 dB (AM)
0
1
-
-
-
-
-
-
IF1 gain 12 dB
1
0
IF1 gain 17 dB
1
1
IF1 gain 21 dB (FM)



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