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TDA7402 Datasheet, PDF (29/59 Pages) STMicroelectronics – CARRADIO SIGNAL PROCESSOR
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TDA7402
2.4.2 ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
VRECTDEV Deviation dependent
meas.with
11
Rectifier Voltage
VMPX=500mV
10
(75kHz dev.)
01
00
VRECTFS Fieldstrength
controlled Rectifier
Voltage
meas.with
11
VMPX=0mV,
10
VLEVEL<< VSBL
01
(fully mono)
00
TSFM Suppression Pulse Duration FM Signal HOLDN in
00
Testmode
01
10
11
TSAM Suppression Pulse Duration AM Signal HOLDN in
00
Testmode
01
10
11
VRECTADJ Noise rectifier discharge
Signal PEAK in
00
adjustment
Testmode
01
10
11
SRPEAK Noise rectifier
charge
Signal PEAK in
0
Testmode
1
VADJMP Noise rectifier adjustment
Signal PEAK in
00
through
Testmode
01
Multipath
10
11
RAMIF AM IF Input resistance
GAMIF,min min. gain AM IF
GAMIF,max max. gain AM IF
Signal AM-RECTIFIER in
Testmode
GAMIF,step step gain AM IF
fAMIF,min min. fc AM IF
fAMIF,max max. fc AM IF
Signal AM-RECTIFIER in
Testmode
Min.
35
Typ.
0.9
(off)
1.2
2.0
2.8
0.9
(off)
1.4
1.9
2.4
38
25.5
32
22
1.2
800
1.0
640
0.3
0.8
1.3
2.0
10
20
0.3
0.5
0.7
0.9
50
6
20
2
14
56
Max.
Unit
VOP
VOP
VOP
VOP
V
V
V
V
µs
µs
µs
µs
ms
µs
µs
µs
V/ms
mV/µs
V/ms
65 kOhm
dB
dB
dB
kHz
kHz
Notes: 1. All thresholds are measured using a pulse with TR = 2 µs, THIGH= 2 µs and TF = 10 µs. The repetition rate must not increase the
PEAK voltage.
V
in
V
op
DC
TR
T HIGH
TF
Time
29/59
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