TDA7541B Datasheet, PDF (22/77 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

Electrical specifications and characteristics
TDA7541B
Table 8. Stereo decoder section (continued)
Item Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
37.10
V_PEAKFS
Min. fieldstrength
controlled peak voltage
V_MPX=0mV, V_LEVEL<< V_SBL
(fully mono), NBFC = 11 (“OFF”)
-
0.8
-
V
37.11
V_PEAKFS
Max. fieldstrength
controlled peak voltage
V_MPX=0mV, V_LEVEL<< V_SBL
(fully mono), NBFC = 00
- 2.0 -
V
37.12 T_S Min. blanking time
Signal HOLDN in testmode,
NBT = 00
-
38
-
μs
37.13 T_S Max. blanking time
Signal HOLDN in testmode,
NBT = 11
-
22
-
μs
37.14 SR_PEAK Noise rectifier charge
Signal PEAK in testmode,
NBPC =0
-
5
- mV/μs
37.15 SR_PEAK Noise rectifier charge
Signal PEAK in testmode,
NBPC=1
-
12
- mV/μs
37.16
V_RECTADJ
Noise rectifier discharge
adjustment
Signal PEAK in testmode,
NBRR=00
- 0.3 - V/ms
37.17
V_RECTADJ
Noise rectifier discharge
adjustment
Signal PEAK in testmode,
NBRR=01
- 1.8 - V/ms
37.18
V_RECTADJ
Noise rectifier discharge
adjustment
Signal PEAK in testmode,
NBRR=10
- 2.8 - V/ms
37.19
V_RECTADJ
Noise rectifier discharge
adjustment
Signal PEAK in testmode,
NBRR=11
-
4
- V/ms
37.20
V_ADJMP
Noise rectifier adjustment
by multipath
Signal PEAK in testmode,
V_MPTC=1V, NBSMP=0, NBMP=1,
NBRR=01
-
3
- V/ms
Noise rectifier adjustment Signal PEAK in testmode,
37.21 V_ADJMP by strong multipath
influence
V_MPTC = 1V, NBSMP = 1,
NBMP = 0, NBRR = 01
-
4
- V/ms
Noise rectifier adjustment Signal PEAK in testmode,
37.22 V_ADJMP by multipath and strong
multipath influence
V_MPTC=1 V, MBSMP=1,
NBMP=1, NBRR=01
- 5.2 - V/ms
38. Multipath detector
38.1
38.2
38.3
38.4
38.5
38.6
38.7
G_MP Min. multipath gain
MPG = 00
G_MP Max. multipath gain
MPG = 11
G_RECTMP Min. rectifier gain
MPRG = 01
G_RECTMP Max. rectifier gain
MPRG = 11
I_CHMP Rectifier charge current MPCC = 0
I_CHMP Rectifier charge current MPCC = 1
I_DISMP Rectifier discharge current
39. Quality detector
5
6
7
dB
11 12 13
dB
-1
0
1
dB
5 7.6 9
dB
0.5 0.8 1.1 μA
0.2 0.4 0.7 μA
0.5 1
-
mA
39.1
a
Min. quality detector
coefficient
QDC
0.5 0.6 0.7
-
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