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TDA7540B Datasheet(PDF) 52 Page - STMicroelectronics

Part # TDA7540B
Description  AM/FM Car Radio Tuner IC with Stereo Decoder and Intelligent Selectivity System (ISS)
PDF  75 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7540B Datasheet(HTML) 52 Page - STMicroelectronics

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Software specification
TDA7540B
52/75
000
1
DAGC V71TH= 77(47 ANTENNA)dBµ
001
0
DAGC V71TH= 79(49 ANTENNA)dBµ
001
1
DAGC V71TH= 80,5(50,5 ANTENNA)dBµ
010
0
DAGC V71TH= 82(52 ANTENNA)dBµ
010
1
DAGC V71TH= 83,5(53,5 ANTENNA)dBµ
011
0
DAGC V71TH= 85(55 ANTENNA)dBµ
011
1
DAGC V71TH= 86,5(56,5 ANTENNA)dBµ
100
0
DAGC V71TH= 88(58 ANTENNA)dBµ
100
1
DAGC V71TH= 89(59 ANTENNA)dBµ
101
0
DAGC V71TH= 90(60 ANTENNA)dBµ
101
1
DAGC V71TH= 91(61 ANTENNA)dBµ
110
0
DAGC V71TH= 92(62 ANTENNA)dBµ
110
1
DAGC V71TH= 93(63 ANTENNA)dBµ
111
0
DAGC V71TH= 94(64 ANTENNA)dBµ
111
1
DAGC V71TH= 96(66 ANTENNA)dBµ
Table 27.
Addr 16 AM AGC (continued)
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
Table 28.
Addr 17 FM Demodulator Fine Adjust
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
000000
0mV
000001
+8.5mV
000010
+17mV
------
-
011111
+263.5mV
100000
0mV
100001
-8.5mV
100010
-17mV
------
-
111111
-263.5mV
0
0
Spike cancelation ”OFF”
0
1
Threshold for spike cancelation 750mV
1
0
Threshold for spike cancelation 270mV
1
1
Threshold for spike cancelation 520mV



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