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TDA7540B Datasheet(PDF) 51 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) 51 Page - STMicroelectronics

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TDA7540B
Software specification
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0
0
0
KAGC threshold 80dBµV
0
0
1
KAGC threshold 82dBµV
0
1
0
KAGC threshold 84dBµV
0
1
1
KAGC threshold 86dBµV
1
0
0
KAGC threshold 88dBµV
1
0
1
KAGC threshold 90dB
µV
1
1
0
KAGC threshold 92dB
µV
1
1
1
Keying AGC “OFF”
0RF KAGC“0FF”
1RF KAGC“0N”
Table 26.
Addr 15 FM AGC (continued)
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
Table 27.
Addr 16 AM AGC
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0000
WAGC V4TH= 90(65 ANT)dBµ V71TH= 90(60 ANT)dBµ
0001
WAGC V4TH= 94(69 ANT)dBµ V71TH= 94(64 ANT)dBµ
0010
WAGC V4TH= 97(72 ANT)dBµ V71TH= 96,5(66,5 ANT)dBµ
0011
WAGC V4TH= 98,5(73,5 ANT)dBµ V71TH= 98,5(68,5
ANT)dB
µ
0100
WAGC V4TH= 100(75 ANT)dBµ V71TH= 100(70 ANT)dBµ
0101
WAGC V4TH= 101,5(76,5 ANT)dBµ V71TH= 101(71 ANT)dBµ
0110
WAGC V4TH= 102,5(77,5 ANT)dBµV71TH= 102,5(72,5
ANT)dB
µ
0111
WAGC V4TH= 103,5(78,5 ANT)dBµV71TH= 103,5(73,5
ANT)dB
µ
1000
WAGC V4TH= 104,5(79,5 ANT)dBµ V71TH= 104(74 ANT)dBµ
1001
WAGC V4TH= 105(80 ANT)dBµ V71TH= 105(75 ANT)dBµ
1010
WAGC V4TH= 106(81 ANT)dBµ V71TH= 105,5(75,5 ANT)dBµ
1011
WAGC V4TH= 106,5(81,5 ANT)dBµV71TH= 106,5(76,5
ANT)dB
µ
1100
WAGC V4TH= 107(82 ANT)dBµ V71TH= 107(77 ANT)dBµ
1101
WAGC V4TH= 108(83 ANT)dBµ V71TH= 107,5(77,5 ANT)dBµ
1110
WAGC V4TH= 108,5(83,5 ANT)dBµ V71TH= 108(78 ANT)dBµ
1111
WAGC V4TH= 109(84 ANT)dBµ V71TH= 108,5(78,5 ANT)dBµ
000
0
DAGC V71TH= 74(44 ANTENNA)dBµ



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