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TDA7402 Fiches technique(PDF) 37 Page - STMicroelectronics

No de pièce TDA7402
Description  Car radio signal processor
PDF  71 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7402 Fiches technique(HTML) 37 Page - STMicroelectronics

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TDA7402
Stereo decoder part
37/71
V
RECT
Rectifier voltage
VMPX=0mV
0.5
0.9
1.3
V
VMPX=50mV, f=150kHz
1.5
1.7
2.1
V
VMPX=200mV, f=150kHz
2
2.5
2.9
V
V
RECT
DE
V
Deviation dependent
rectifier voltage
meas.with
VMPX=500mV
(75kHz dev.)
11
10
01
00
0.5
0.9
1.7
2.5
0.9(off)
1.2
2.0
2.8
1.3
1.5
2.3
3.1
VOP
VOP
VOP
VOP
V
RECT
FS
Fieldstrength
controlled rectifier
voltage
meas.with
VMPX=0mV,
VLEVEL<< VSBL
(fully mono)
11
10
01
00
0.5
0.9
1.7
2.1
0.9(off)
1.4
1.9
2.4
1.3
1.5
2.3
3.1
V
V
V
V
TSFM
Suppression pulse duration FM
Signal HOLDN in
testmode
00
01
10
11
38
25.5
32
22
µs
µs
µs
µs
TSAM
Suppression pulse duration AM
Signal HOLDN in
testmode
00
01
10
11
1.2
800
1.0
640
ms
µs
µs
µs
VRECTAD
J
Noise rectifier discharge (2)
adjustment
Signal PEAK in
testmode
00
01
10
11
0.3
0.8
1.3
2.0
V/ms
SRPEAK
Noise rectifier (2)
charge
Signal PEAK in
testmode
0
1
10
20
mV/µs
VADJMP
Noise rectifier adjustment
through multipath (2)
Signal PEAK in
testmode
00
01
10
11
0.3
0.5
0.7
0.9
V/ms
RAMIF
AM IF Input resistance
35
50
65
kOhm
GAMIF,min min. gain AM IF
Signal AM-RECTIFIER in
Testmode
6dB
GAMIF,max max. gain AM IF
20
dB
GAMIF,step step gain AM IF
2
dB
fAMIF,min min. fc AM IF
Signal AM-RECTIFIER in
Testmode
14
kHz
fAMIF,max max. fc AM IF
56
kHz
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.
2.
By design/characterization functionally guaranteed through dedicated test mode structure
Table 8.
Electrical characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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