STV2247H(2009) 查看數據表（PDF） - STMicroelectronics
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STV2247H Datasheet PDF : 86 Pages
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STV224X, STV228X, STV223X - ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Crosstalk Deletion of non-selected signals
MGAIN Output Gain
DCMAIN DC Output Voltage
Test Conditions
Register 1Dhex, data = 07hex
Up to 5 MHz
Register 1Dhex, data = 07hex
From any CVBS/Y inputs
Register 1Dhex, data = 07hex
Black Level
Min. Typ. Max. Unit
50
dB
-0.5 0 0.5 dB
4.2
V
4.5.4 CVBS2 Output
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VOUT2 Dynamic Output Amplitude
3
VPP
ROUT2 Internal Output Resistance
10
Ω
BW2 CVBS Bandwidth
Crosstalk2 Deletion of non-selected signals
) SWI2gain Output Gain
t(s SWI2DC DC Output Voltage
RLOAD2 Output Load Resistance
VIN = 1 VPP
Up to 5 MHz
From any CVBS/Y inputs
Black Level
10
MHz
50
dB
5.5
6
6.5 dB
3.8
V
1.5
kΩ
uc 4.5.5 OSD RGB Inputs
d Symbol
ro VCLAMP
P VRGB
CRGB
te Dblack
ole IRGB
s Crosstalk
Parameter
Test Conditions
Clamp Level
Max. Contrast
RGB Input Voltage
RGB Gain
Max. Contrast, Max. Drive
Difference of black level of internal
and external signals at the RGB out- OSD signal versus internal signal
puts
Clamping Current
Deletion of non-selected RGB source From 0 to 5 MHz
Min.
60
50
Typ.
4
0.7
4.28
100
Max.
1
50
140
Unit
V
VPP
-
mV
µA
dB
b 4.5.6 FBOSD/HC Inputs
- O Symbol
Parameter
) VTHFB1A OSD Insertion Threshold Voltage
t(s VTHFB1B OSD Insertion Threshold Voltage
uc VTH-HC Half Contrast Threshold Voltage
d VTHFB2
ro tSWI1
Blanking Threshold Voltage,
Insertion Switching Delay
P tSWI2 Blanking Switching Delay
bsoleteIFB Input current
Test Conditions
Min. Typ. Max. Unit
Half Contrast disable
Register 08hex d6 = 0
0.5 0.7 0.85 V
Half Contrast enable
Register 08hex d6 = 1
1.5 1.9 2.3
V
Half Contrast enable
Register 08hex d6 = 1
0.5 0.7 0.85 V
Oversize Blanking active
Register 08hex, d7 = 1
3.2
4
4.8
V
20
40
ns
From FBOSD = 4V to starting of
blanking falling edge at RGB out-
100
ns
puts
0V at Pin FBOSD
10 µA
32/86
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