TDA7511 Datasheet, PDF (28/41 Pages) STMicroelectronics – AM/FM TUNER FOR CAR RADIO AND HIFI APPLICATIONS

TDA7511
Addr 12 IF 1 and FM AGC
Table 15.
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
0 0 IF1 gain1 9dB
0 1 IF1 gain1 11dB
1 0 IF1 gain1 13dB
1 1 IF1 gain1 15dB
00
IF1 gain2 9dB
01
IF1 gain2 11dB
10
IF1 gain2 13dB
11
IF1 gain2 15dB
000
AGC threshold 80dBµV
001
AGC threshold 82dBµV
010
AGC threshold 84dBµV
011
AGC threshold 86dBµV
100
AGC threshold 88dBµV
101
AGC threshold 90dBµV
110
AGC threshold 92dBµV
111
Keying AGC “OFF”
0
has to be “0”
Addr 13 Demodulator Fine Adjust
Table 16.
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
0 0 0 0 0 0 0mV
0 0 0 0 0 1 +6mV
0 0 0 0 1 0 +12mV
-
-
-
-
-
--
0 1 1 1 1 1 +186mV
1 0 0 0 0 0 0mV
1 0 0 0 0 1 -6mV
1 0 0 0 1 0 -12mV
-
-
-
-
-
--
1 1 1 1 1 1 -186mV
11
have to be “1”
Function
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