TDA4443 Datasheet, PDF (4/7 Pages) STMicroelectronics – MULTISTANDARD VIDEO IF AMPLIFIER

TDA4443
ELECTRICAL OPERATING CHARACTERISTICS (continued)
TAMB = 25^oC, VCC = 12V, unless otherwise spacified. Test Circuit Page 5.
Symbol
I
∆G_IF
I_AGC
∆AGC
VIF
V2IF
d
aM
∆Sync
Sync
RI
CI
V
I
Parameter
Control Current Status C (see status of mode switching) - V₂ = 6.3V
IF AGC Range
Available Tuner AGC Current (10dB above the AGC starting point)
Delay Between Tuner AGC and IF AGC (pin 6 not connected)
IF residual carrier at the video o/p withing the
AGC range 38.9MHz
77.8MHz
Differential Distortion on Composite VIdeo Signal Amplitude
SIGNAL 3
Attenuation of sound to color carrier intermodulation signal (1.07MHz)
referred to the demodulated color carrier : PIcture Carrier = 0dB,
Color Carrier = -6dB, Sound Carrier = -24dB
Sync. Pulse Compression within the IF AGC Range
Input Impedance : Resistance
Capacitance
Switch off Control Voltage for VTR Mode
Switch off Current for VTR Mode
Pin Min. Typ. Max.
2
60 400
60
5 8 12
5
50
Unit
µA
dB
mA
dB
11
20
mV_RMS
11
50
mVRMS
11
5
%
11
50
dB
3
%
1-16
2.5
kΩ
1-16
2
pF
49
10
V
4
150 µA
SIGNAL 1 (standard B/G)
Demodulated Signal
1000mV
IF Signal
300mV
0mV
100%
100%
10%
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