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TDA7402 数据表(PDF) 26 Page - STMicroelectronics

部件名 TDA7402
功能描述  CARRADIO SIGNAL PROCESSOR
PDF  59 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7402 数据表(HTML) 26 Page - STMicroelectronics

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TDA7402
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VPTHMO0 Pilot Threshold Voltage
for Mono, PTH = 0
19
mV
PLL
∆f/f
Capture Range
0.5
%
DEEMPHASIS and HIGHCUT
τDeempFM Deemphasis Timeconstants FM
VLEVEL >> VHCH
50
µs
VLEVEL >> VHCH
62.5
µs
VLEVEL >> VHCH
75
µs
VLEVEL >> VHCH
100
µs
MFM
Highcut Timeconstant Multiplier FM
VLEVEL << VHCL
3
τDeempAM Deemphasis Timeconstants AM
VLEVEL >> VHCH
37.5
µs
VLEVEL >> VHCH
47
µs
VLEVEL >> VHCH
56
µs
VLEVEL >> VHCH
75
µs
MAM
Highcut Timeconstant Multiplier AM
VLEVEL << VHCL
3.7
REF5V
Internal Reference Voltage
5
V
Lmin
min. LEVEL Gain
0
dB
Lmaxs
max. LEVEL Gain
6
dB
LGstep
LEVEL Gain Step Resolution
see section 2.7
0.4
dB
VSBLmin Min. Voltage for Mono
see section 2.8
20
%REF5V
VSBLmax Max. Voltage for Mono
see section 2.8
70
%REF5V
VSBLstep Step Resolution
see section 2.8
3.3
%REF5V
VHCHmin Min. Voltage for NO Highcut
see section 2.9
42
%REF5V
VHCHmax Max. Voltage for NO Highcut
see section 2.9
66
%REF5V
VHCHstep Step Resolution
see section 2.9
8.4
%REF5V
VHCLmin Min. Voltage for FULL High cut
see section 2.9
17
%VHCH
VHCLmax Max. Voltage for FULL High cut
see section 2.9
33
%VHCH
VHCLstep Step Resolution
see section 2.9
4.2
%REF5V
Carrier and harmonic suppression at the output
α19
Pilot Signal f=19kHz
50
dB
α38
Subcarrier f=38kHz
75
dB
Symbol
Parameter
Test Conditio n
Min.
Typ.
Max.
Unit
2.2 ELECTRICAL CHARACTERISTICS (continued)



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