TDA7541B Datasheet, PDF (61/77 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

TDA7541B
Software specification
Table 35. Addr 18 SD Stereoblend / AM corner frequency (0Dh)
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
SBC<2:0>
0 0 0 Stereoblend control at 29 % REF5V
0 0 1 Stereoblend control at 33 % REF5V
0 1 0 Stereoblend control at 38 % REF5V
-
-
-
-
-
01
1 Stereoblend control at 42 % REF5V
1 0 0 Stereoblend control at 46 % REF5V
1 0 1 Stereoblend control at 50 % REF5V
1 1 0 Stereoblend control at 54 % REF5V
1 1 1 Stereoblend control at 58 % REF5V
PTH
-
-
-
-
0
-
-
- Pilot threshold high
1
Pilot threshold low
ASI
-
-
-
0
-
-
-
- Audio inverter “OFF”
1
Audio inverter “ON”
AMCF<7:5>
0 00
AM attenuation @ 3.5 kHz = 8.4 dB
0 01
AM attenuation @ 3.5 kHz = 8.0 dB
0
10 -
-
-
-
- AM attenuation @ 3.5 kHz = 7.3 dB
1 10
AM attenuation @ 3.5 kHz = 4.4 dB
1 11
AM attenuation @ 3.5 kHz = 3.6 dB
Doc ID 16048 Rev 1
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