TDA7541B Datasheet, PDF (54/77 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

Software specification
TDA7541B
Table 26. Addr 9 Quality Dev (FM 49h)
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
TDEV<2:0>
0 0 0 charge current 39 µA, discharge current 1 µA
0 0 1 charge current 38 µA, discharge current 2 µA
-
- - - - 0 1 0 charge current 37 µA, discharge current 3 µA
0 1 1 charge current 36 µA, discharge current 4 µA
1 1 0 charge current 33 µA, discharge current 7 µA
1 1 1 charge current 32 µA, discharge current 8 µA
00
DWTH<4:3>
DEV threshold for ISS narrow/wide 20 kHz
-
- - 01 - -
- DEV threshold for ISS narrow/wide 30 kHz
10
DEV threshold for ISS narrow/wide 40 kHz
11
DEV threshold for ISS narrow/wide 50 kHz
00
DTH<6:5>
DEV threshold for ISS filter “OFF” ratio 1.5
-
01 - - - -
- DEV threshold for ISS filter “OFF” ratio 1.4
10
DEV threshold for ISS filter “OFF” ratio 1.3
11
DEV threshold for ISS filter “OFF” ratio 1
ISSM
0
------
- ISS filter application mode 1
1
ISS filter application mode 2
54/77
Doc ID 16048 Rev 1