STV2247H View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
STV2247H Datasheet PDF : 86 Pages
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STV224XH/228XH/223XH - 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
VOUT2 Dynamic Output Amplitude
ROUT2 Internal Output Resistance
BW2 CVBS Bandwidth
Crosstalk2 Deletion of non-selected signals
SWI2gain Output Gain
SWI2DC DC Output Voltage
RLOAD2 Output Load Resistance
Test Conditions
VIN = 1 VPP
Up to 5 MHz
From any CVBS/Y inputs
Black Level
Min.
10
50
5.5
1.5
Typ.
10
6
3.8
Max.
3
6.5
Unit
VPP
W
MHz
dB
dB
V
kW
4.5.5 OSD RGB Inputs
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VCLAMP
VRGB
CRGB
Clamp Level
RGB Input Voltage
RGB Gain
Max. Contrast
Max. Contrast, Max. Drive
4
V
0.7
1
VPP
4.28
-
Dblack
Difference of black level of internal
and external signals at the RGB out- OSD signal versus internal signal
puts
50 mV
IRGB Clamping Current
Crosstalk Deletion of non-selected RGB source From 0 to 5 MHz
60 100 140 µA
50
dB
4.5.6 FBOSD/HC Inputs
Symbol
Parameter
VTHFB1A OSD Insertion Threshold Voltage
VTHFB1B OSD Insertion Threshold Voltage
VTH-HC Half Contrast Threshold Voltage
VTHFB2
tSWI1
Blanking Threshold Voltage,
Insertion Switching Delay
tSWI2 Blanking Switching Delay
IFB
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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