TDA7541 Datasheet, PDF (61/76 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

TDA7541
Software specification
Table 34. 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
0 1 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 @ 3.5kHz = 6.3dB
0 01
0 10
AM attenuation @ 3.5kHz = 7.9dB
AM attenuation @ 3.5kHz = 9.2dB
-
--
1 10
AM attenuation @ 3.5kHz = 13.1dB
1 11
AM attenuation @ 3.5kHz = 13.8dB
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