參數(shù)資料
型號(hào): TDA7406
廠商: 意法半導(dǎo)體
英文描述: Car radio signal processor
中文描述: 車(chē)載無(wú)線(xiàn)電信號(hào)處理器
文件頁(yè)數(shù): 28/64頁(yè)
文件大?。?/td> 825K
代理商: TDA7406
Stereodecoder part
TDA7406
28/64
PLL
Δ
f/f
Capture Range
0.5
%
DEEMPHASIS and HIGHCUT
τ
DeempFM
De-emphasis Time constants FM
V
LEVEL
>> V
HCH
25
50
75
μs
V
LEVEL
>> V
HCH
44
62.5
80
μs
V
LEVEL
>> V
HCH
50
75
100
μs
V
LEVEL
>> V
HCH
70
100
130
μs
M
FM
Highcut Time constant Multiplier
FM
V
LEVEL
<< V
HCL
3
τ
DeempAM
De-emphasis Time constants AM
V
LEVEL
>> V
HCH
37.5
μs
V
LEVEL
>> V
HCH
47
μs
V
LEVEL
>> V
HCH
56
μs
V
LEVEL
>> V
HCH
75
μs
M
AM
High cut Time constant Multiplier
AM
V
LEVEL
<< V
HCL
3.7
REF5V
Internal Reference Voltage
4.7
5
5.3
V
L
min
min. LEVEL Gain
-1
0
+1
dB
L
maxs
max. LEVEL Gain
5
6
7
dB
L
Gstep
LEVEL Gain Step Resolution
0.2
0.4
0.6
dB
VSBL
min
Min. Voltage for Mono
17
20
23
%REF5V
VSBL
max
Max. Voltage for Mono
62
70
78
%REF5V
VSBL
step
Step Resolution
1.6
3.3
5.0
%REF5V
VHCH
min
Min. Voltage for NO Highcut
77
42
47
%REF5V
VHCH
max
Max. Voltage for NO Highcut
58
66
74
%REF5V
VHCH
step
Step Resolution
4.2
8.4
12.6
%REF5V
VHCL
min
Min. Voltage for FULL High cut
15
17
19
%VHCH
VHCL
max
Max. Voltage for FULL High cut
29
33
37
%VHCH
VHCL
step
Step Resolution
2.1
4.2
6.3
%REF5V
Carrier and harmonic suppression at the output
α
19
Pilot Signalf=19kHz
40
50
dB
α
38
Subcarrier f=38kHz
75
dB
α
57
Subcarrier f=57kHz
62
dB
α
76
Subcarrier f=76kHz
90
dB
Table 5.
Stereodecoder electrical characteristics (continued)
V
S
= 9V, de-emphasis time constant = 50μs, MPX input voltage VMPX = 500mV (75kHz
deviation), modulation frequency = 1kHz, input gain = 6dB, T
amb
= 27°C, unless
otherwise specified.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
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