TDA7411 ST Microelectronics, TDA7411 Datasheet - Page 18

• Manufacturer Part Number: TDA7411
• Description: ADVANCED CAR SIGNAL PROCESSOR
• Manufacturer: ST Microelectronics

TDA7411
ELECTRICAL CHARACTERISTICS (continued)
(V
T
Notes to the characteristics:
1. Intermodulation Suppression:
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-
18/43
STEREOBLEND-and HIGHCUT-CONTROL
Carrier and harmonic suppression at the output
Intermodulation (Note 1)
Traffic Ratio (Note 2)
SCA - Subsidiary Communications Authoorization (Note 3)
ACI - Adjacent Channel Interference (Note 4)
VSBL
VSBL
VHCH
VHCH
VHCL
VHCL
VSBL
VHCH
VHCL
Symbol
T
amb
REF5V
S
L
L
CREF5V
L
Gmax
Gstep
Gmin
114
190
= 8V; deemphasis time constant = 50 s,V
19
38
57
76
57
67
2
3
= 27°C; unless otherwise specified)
max
max
step
max
step
step
min
min
min
Internal Reference Voltage
Temperature Coefficient
Min. LEVEL Gain
Max. LEVEL Gain
LEVEL Gain Step Resolution
Min. Voltage for Mono
Min. Voltage for Mono
Step Resolution
Min. Voltage for NO Highcut
Min. Voltage for NO Highcut
Step Resolution
Min. Voltage for FULL Highcut
Max. Voltage for FULL Highcut
Step Resolution
Pilot Signal f = 19KHz
Subcarrier f = 38KHz
Subcarrier f = 57KHz
Subcarrier f = 76KHz
f
f
Signal f = 57KHz
Signal f = 67KHz
Signal f = 114KHz
Signal f = 190KHz
mod
mod
= 10KHz, f
= 13KHz, f
Parameter
spur
spur
= 1KHz
= 1KHz
2
3
=
=
----------------------------------------------------- -
V
----------------------------------------------------- -
V
V
V
O s pu rious a t1kHz
O s pu rious a t1kHz
O sig na l at1 kHz
O sig na l at1 kHz
MPX
Test Condition
= 500mV(75KHz deviation), fm= 1KHz, Gv = 6dB,
; f
; f
s
s
= (2 x 10kHz) - 19kHz
= (3 x 13kHz) - 38kHz
Min.
4.7
0.3
2.2
2.2
25
54
38
62
12
28
40
-1
8
5
3300
Typ.
0.67
4.2
8.4
4.2
10
29
58
42
66
17
33
50
5
0
Max.
5.3
6.2
6.2
12
33
62
46
70
12
22
38
75
62
90
65
75
70
75
95
84
1
1
%REF5V
%REF5V
%REF5V
%REF5V
%REF5V
%REF5V
%VHCH
%VHCH
%VHCH
Unit
ppm
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V