TDA7405 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7405' PDF : 56 Pages View PDF
TDA7405
Table 8. ELECTRICAL CHARACTERISTICS (continued)
All parameters mesured in FM mode if not otherwise specified.
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
VRECT Rectifier Voltage
VMPX=0mV
VMPX=50mV, f=150kHz
VMPX=200mV, f=150kHz
0.5
0.9
1.3
V
1.5
1.7
2.1
V
2
2.5
2.9
V
VRECTDEV Deviation dependent
Rectifier Voltage
meas.with
11
0.5 0.9 (off) 1.3
VOP
VMPX=500mV
10
0.9
1.2
1.5
VOP
(75kHz dev.)
01
1.7
2.0
2.3
VOP
00
2.5
2.8
3.1
VOP
VRECTFS Fieldstrength
controlled Rectifier
Voltage
meas.with
11
VMPX=0mV,
10
VLEVEL<< VSBL
01
(fully mono)
00
0.5 0.9 (off) 1.3
V
0.9
1.4
1.5
V
1.7
1.9
2.3
V
2.1
2.4
3.1
V
TSFM Suppression Pulse Duration FM Signal HOLDN
00
in Testmode
01
10
11
38
µs
25.5
µs
32
µs
22
µs
TSAM Suppression Pulse Duration AM Signal HOLDN
00
in Testmode
01
10
11
1.2
ms
800
µs
1.0
ms
640
µs
VRECTADJ Noise rectifier discharge
adjustment
Signal PEAK in
00
Testmode
01
10
11
0.3
V/ms
0.8
1.3
2.0
SRPEAK Noise rectifier
charge
Signal PEAK in
0
Testmode
1
10
mV/µs
20
VADJMP Noise rectifier adjustment
Signal PEAK in
00
through
Testmode
01
Multipath
10
11
0.3
V/ms
0.5
0.7
0.9
RAMIF AM IF Input resistance
35
50
65 kOhm
GAMIF,min min. gain AM IF
GAMIF,max max. gain AM IF
Signal AM-RECTIFIER in
Testmode
6
dB
20
dB
GAMIF,step step gain AM IF
2
dB
fAMIF,min min. fc AM IF
fAMIF,max max. fc AM IF
Signal AM-RECTIFIER in
Testmode
14
kHz
56
kHz
5. 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.
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