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TDA7411 Datasheet(PDF) 18 Page - STMicroelectronics

Part # TDA7411
Description  ADVANCED CAR SIGNAL PROCESSOR
PDF  43 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7411 Datasheet(HTML) 18 Page - STMicroelectronics

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Notes to the characteristics:
1. Intermodulation Suppression:
; fs = (2 x 10kHz) - 19kHz
; fs = (3 x 13kHz) - 38kHz
measured with: 91% pilot signal; fm = 10kHz or 13kHz.
2. Traffic Radio (V.F.) Suppression: measured with: 91% stereo signal; 9% pilot signal; fm=1kHz; 5% sub-
STEREOBLEND-and HIGHCUT-CONTROL
REF5V
Internal Reference Voltage
4.7
5
5.3
V
TCREF5V
Temperature Coefficient
3300
ppm
LGmin
Min. LEVEL Gain
-1
0
1
dB
LGmax
Max. LEVEL Gain
8
10
12
dB
LGstep
LEVEL Gain Step Resolution
0.3
0.67
1
dB
VSBLmin Min. Voltage for Mono
25
29
33
%REF5V
VSBLmax Min. Voltage for Mono
54
58
62
%REF5V
VSBLstep Step Resolution
2.2
4.2
6.2
%REF5V
VHCHmin Min. Voltage for NO Highcut
38
42
46
%REF5V
VHCHmax Min. Voltage for NO Highcut
62
66
70
%REF5V
VHCHstep Step Resolution
5
8.4
12
%REF5V
VHCLmin Min. Voltage for FULL Highcut
12
17
22
%VHCH
VHCLmax Max. Voltage for FULL Highcut
28
33
38
%VHCH
VHCLstep Step Resolution
2.2
4.2
6.2
%VHCH
Carrier and harmonic suppression at the output
α19
Pilot Signal f = 19KHz
40
50
dB
α38
Subcarrier f = 38KHz
75
dB
α57
Subcarrier f = 57KHz
62
dB
α76
Subcarrier f = 76KHz
90
dB
Intermodulation (Note 1)
α2fmod = 10KHz, fspur = 1KHz
65
dB
α3fmod = 13KHz, fspur = 1KHz
75
dB
Traffic Ratio (Note 2)
α57
Signal f = 57KHz
70
dB
SCA - Subsidiary Communications Authoorization (Note 3)
α67
Signal f = 67KHz
75
dB
ACI - Adjacent Channel Interference (Note 4)
α114
Signal f = 114KHz
95
dB
α190
Signal f = 190KHz
84
dB
ELECTRICAL CHARACTERISTICS (continued)
(VS = 8V; deemphasis time constant = 50µs,VMPX = 500mV(75KHz deviation), fm= 1KHz, Gv = 6dB,
Tamb = 27°C; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
α2
V
Osig na l
() at1kHz
()
V
O s pu rious
() at1kHz
()
------------------------------------------------------
=
α3
V
Osig na l
() at1kHz
()
V
O s pu rious
() at1kHz
()
------------------------------------------------------
=



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