TDA7511 Datasheet, PDF (31/41 Pages) STMicroelectronics – AM/FM TUNER FOR CAR RADIO AND HIFI APPLICATIONS

Addr 18 AM Control1
Table 21.
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
0 Normal AGC time constant
1 Short time constant for AM seek stop
0
Multipath information available FM
1
AM stereo output available
00
Prescaler ratio 10
01
Prescaler ratio 8
10
Prescaler ratio 6
11
Prescaler ratio 4
0000
Narrow band AGC threshold 74.4dBµV
0001
Narrow band AGC threshold 78.8dBµV
0010
Narrow band AGC threshold 80.0dBµV
0011
Narrow band AGC threshold 80.7dBµV
0100
Narrow band AGC threshold 53.2dBµV
0101
Narrow band AGC threshold 77.1dBµV
0110
Narrow band AGC threshold 78.5dBµV
0111
Narrow band AGC threshold 79.4dBµV
1000
Narrow band AGC threshold 42.7dBµV
1001
Narrow band AGC threshold 65.8dBµV
1010
Narrow band AGC threshold 77.6dBµV
1011
Narrow band AGC threshold 78.5dBµV
1100
Narrow band AGC threshold 32.6dBµV
1101
Narrow band AGC threshold 55.0dBµV
1110
Narrow band AGC threshold 73.3dBµV
1111
Narrow band AGC threshold 77.6dBµV
Addr 19 AM Control2
Table 22.
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
0
0
0
0 AGC Threshold 82.0dBµV 80.1dBµV
0
0
0
1 AGC Threshold 85.4dBµV 83.4dBµV
0
0
1
0 AGC Threshold 87.5dBµV 85.5dBµV
0
0
1
1 AGC Threshold 89.2dBµV 87.2dBµV
0
1
0
0 AGC Threshold 90.6dBµV 88.6dBµV
0
1
0
1 AGC Threshold 91.9dBµV 89.8dBµV
0
1
1
0 AGC Threshold 92.9dBµV 90.8dBµV
0
1
1
1 AGC Threshold 93.8dBµV 91.8dBµV
1
0
0
0 AGC Threshold 94.6dBµV 92.6dBµV
1
0
0
1 AGC Threshold 95.4dBµV 93.3dBµV
1
0
1
0 AGC Threshold 96.1dBµV 94.0dBµV
TDA7511
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