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TDA8222 Datasheet, PDF (5/9 Pages) STMicroelectronics – VIDEO & SOUND IF SYSTEM WITH VIDEO AND SOUND SWITCHES
TDA8222
ELECTRICAL CHARACTERISTICS (continued)
(Tamb = 25oC, VCC = 9V, IF input = 10mVRMS top sync, D = 90%, Video BW = 5MHz,
Sound carrier input : 5.5MHz, 10mVRMS, fm = 1kHz, Audio BW = 20kHz, ∆f = ± 25kHz,
Volume attenuation = 0dB, Rload on Pin 12 = 1kΩ, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ.
AUDIO SWITCH
R17
CRtk
EXTHD
Input Resistance
Crosstalk
THD on External Signal
VIDEO SWITCH
VIN = 2VRMS, Attenuation = 0dB
40
65
70
80
0.05
VDC 13-14
VS 13-14
V12
VS 12
G13-14 . 12
I13-14
VBW
DC Input Level
Top Sync Clamp Level
DC Output Level
Top Sync Clamp Level
Crosstalk
Gain from inputs to output
Output Swing
Input Current
Bandwidth
SWITCHING INPUT
No signal
No signal
VIN = 1VPP
V13-14 = VDC 13-14 + 1.5V
VIN = 1VPP
1.6
1.9
1.8
0.7
1.0
0.85
55
5.5
6
4.5
1
15
V21 ext External Input Selection Level
5
V21 int Internal Input Selection Level
I21
Sourced Current
0
MUTE
V15 Threshold Voltage
2.1
V15 DC Level when mute disabled
High impedance controling circuit
2.8
Max.
0.3
2.2
1.3
6.5
5
2.5
10
Unit
kΩ
dB
%
V
V
V
V
dB
dB
V
µA
MHz
V
µA
V
V
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