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TDA7406 데이터시트(PDF) 28 Page - STMicroelectronics

부품명 TDA7406
상세설명  Car radio signal processor
PDF  64 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7406 데이터시트(HTML) 28 Page - STMicroelectronics

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Stereodecoder part
TDA7406
28/64
PLL
Δf/f
Capture Range
0.5
%
DEEMPHASIS and HIGHCUT
τ
DeempFM
De-emphasis Time constants FM
VLEVEL >> VHCH
25
50
75
µs
VLEVEL >> VHCH
44
62.5
80
µs
VLEVEL >> VHCH
50
75
100
µs
VLEVEL >> VHCH
70
100
130
µs
MFM
Highcut Time constant Multiplier
FM
VLEVEL << VHCL
3
τ
DeempAM
De-emphasis Time constants AM
VLEVEL >> VHCH
37.5
µs
VLEVEL >> VHCH
47
µs
VLEVEL >> VHCH
56
µs
VLEVEL >> VHCH
75
µs
MAM
High cut Time constant Multiplier
AM
VLEVEL << VHCL
3.7
REF5V
Internal Reference Voltage
4.7
5
5.3
V
Lmin
min. LEVEL Gain
-1
0
+1
dB
Lmaxs
max. LEVEL Gain
5
6
7
dB
LGstep
LEVEL Gain Step Resolution
0.2
0.4
0.6
dB
VSBLmin Min. Voltage for Mono
17
20
23
%REF5V
VSBLmax Max. Voltage for Mono
62
70
78
%REF5V
VSBLstep Step Resolution
1.6
3.3
5.0
%REF5V
VHCHmin Min. Voltage for NO Highcut
77
42
47
%REF5V
VHCHmax Max. Voltage for NO Highcut
58
66
74
%REF5V
VHCHstep Step Resolution
4.2
8.4
12.6
%REF5V
VHCLmin Min. Voltage for FULL High cut
15
17
19
%VHCH
VHCLmax Max. Voltage for FULL High cut
29
33
37
%VHCH
VHCLstep Step Resolution
2.1
4.2
6.3
%REF5V
Carrier and harmonic suppression at the output
α19
Pilot Signalf=19kHz
40
50
dB
α38
Subcarrier f=38kHz
75
dB
α57
Subcarrier f=57kHz
62
dB
α76
Subcarrier f=76kHz
90
dB
Table 5.
Stereodecoder electrical characteristics (continued)
VS = 9V, de-emphasis time constant = 50µs, MPX input voltage VMPX = 500mV (75kHz
deviation), modulation frequency = 1kHz, input gain = 6dB, Tamb = 27°C, unless
otherwise specified.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit



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