STV8224B Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
STV8224B Datasheet PDF : 12 Pages
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STV8224B
ELECTRICAL CHARACTERISTICS (continued)
(Tamb = 25°C, VCC = 9V, IF input = 10mVRMS synclevel at B/G, Peak-white level at L,
Video modulation DSB, D = 90% at B/G, D = 95% at L, fPC = 38.9MHz, fSC = 33.4MHz,
Video BW = 5MHz, Sound carrier input : 5.5MHz, 10mVRMS, fM = 1kHz, Audio BW = 20kHz, ∆f = ±50kHz,
Volume attenuation = 0dB, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
AUDIO SWITCH
R16
CRtk
En
Input Resistance
Crosstalk
Output Noise Level (Pin 14)
EXTHD THD on External Signal (Pin 14)
Audio Reference Voltage (Pin 9)
VIDEO SWITCH
VDC 12
VS12
V11
VS11
GEX
DC Input Level
Top Sync. Clamp Level
DC Output Level
Top Sync. Clamp Level
Crosstalk
Gain from Ext. Input to Output
I12
VBW
Output Swing
Input Current
Bandwidth
GIN
Gain from Int. Input to Output
MUTE (Pin 13)
VTH13
Threshold Voltage Pin 13
CONTROL INPUT
55 70 85 kΩ
70 80
dB
Weighted CCIR 468-4, V13 = 0.5V
70
µV
(quasi peak level)
VIN = 2VRMS, Attenuation = 0dB
0.1 0.3 %
4.5
V
No signal
No signal
V12 = VDC12 = 1.5V
VIN = 1VPP
1.6 1.9 2.2
V
1.8
V
1.7 2 2.3
V
1.5
V
55
dB
5.5 6 6.5 dB
4
5
V
1
5
µA
15
MHz
-0.5 0 +0.5 dB
0.2 0.3 0.4
V
Negative Modulation
Threshold 3
Positive Modulation
Threshold 2
Positive Modulation
Threshold 1
Negative Modulation
Video : External - Audio : External 7.2
V
Level linked to VCC
6.4 6.8 7.2
V
Video : External - Audio : External 4.9
6.4
V
Level linked to VCC
4.1 4.5 4.9
V
Video : Internal - Audio : External 2.6
4.1
V
Level linked to VCC
1.8 2.2 2.6
V
Video : Internal - Audio : Internal
1.8
V
5/12
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