TDA7402 STMicroelectronics, TDA7402 Datasheet - Page 32

• Manufacturer Part Number: TDA7402
• Description: IC PROCESSOR CAR SIGNAL 44-LQFP
• Manufacturer: STMicroelectronics
• Type: Car Signal Processorr

Specifications of TDA7402

• Applications: Automotive Systems
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• Case: QFP
• Dc: 05+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Stereo decoder part
Table 7.
32/69
De-emphasis and highcut
Carrier and harmonic suppression at the output
VHCH
VHCH
τ
τ
VHCL
VHCL
VSBL
VSBL
VHCH
VHCL
VSBL
Symbol
DeempAM
DeempFM
REF5V
L
L
M
M
L
α19
α38
α57
α76
Gstep
maxs
min
FM
AM
max
step
max
step
min
max
step
min
min
De-emphasis time constants FM
Highcut time constant multiplier FM
De-emphasis time constants AM
Highcut time constant multiplier AM
Internal reference voltage
min. LEVEL gain
max. LEVEL gain
LEVEL gain step resolution
Min. voltage for mono
Max. voltage for mono
Step resolution
Min. voltage for NO highcut
Max. voltage for NO highcut
Step resolution
Min. voltage for FULL high cut
Max. voltage for FULL high cut
Step resolution
Pilot signal f=19kHz
Subcarrier f=38kHz
Subcarrier f=57kHz
Subcarrier f=76kHz
Stereo decoder electrical characteristics (continued)
Parameter
V
V
V
V
V
V
V
V
V
V
see section 2.7
see section 2.8
see section 2.8
see section 2.8
see section 2.9
see section 2.9
see section 2.9
see section 2.9
see section 2.9
see section 2.9
LEVEL
LEVEL
LEVEL
LEVEL
LEVEL
LEVEL
LEVEL
LEVEL
LEVEL
LEVEL
Test condition
>> V
>> V
>> V
>> V
<< V
>> V
>> V
>> V
>> V
<< V
HCH
HCH
HCH
HCH
HCL
HCH
HCH
HCH
HCH
HCL
Min.
4.7
0.2
1.6
4.2
2.1
25
44
50
70
17
62
37
58
40
-1
15
29
5
Typ.
62.5
37.5
100
3.7
0.4
3.3
8.4
4.2
70
50
50
75
47
56
75
20
42
66
75
62
90
17
33
3
5
0
6
Max.
12.6
100
130
5.3
0.6
5.0
6.3
75
80
23
78
47
74
19
37
1
7
TDA7402
%REF
%REF
%REF
%REF
%REF
%REF
%REF
%VHCH
%VHCH
Unit
dB
dB
dB
5V
5V
5V
5V
5V
5V
5V
dB
dB
dB
dB
µs
µs
µs
µs
µs
µs
µs
µs
V