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STV2236 数据表(PDF) 32 Page - STMicroelectronics

部件名 STV2236
功能描述  I짼C BUS-CONTROLLED MULTISTANDARD SINGLE CHIP TV PROCESSOR
PDF  86 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV2236 数据表(HTML) 32 Page - STMicroelectronics

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STV224XH/228XH/223XH - ELECTRICAL CHARACTERISTICS
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4.5.4 CVBS2 Output
4.5.5 OSD RGB Inputs
4.5.6 FBOSD/HC Inputs
Crosstalk
Deletion of non-selected signals
Register 1Dhex, data = 07hex
Up to 5 MHz
50
dB
MGAIN
Output Gain
Register 1Dhex, data = 07hex
From any CVBS/Y inputs
-0.5
0
0.5
dB
DCMAIN
DC Output Voltage
Register 1Dhex, data = 07hex
Black Level
4.2
V
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VOUT2
Dynamic Output Amplitude
3
VPP
ROUT2
Internal Output Resistance
10
W
BW2
CVBS Bandwidth
VIN = 1VPP
10
MHz
Crosstalk2 Deletion of non-selected signals
Up to 5 MHz
50
dB
SWI2gain
Output Gain
From any CVBS/Y inputs
5.5
6
6.5
dB
SWI2DC
DC Output Voltage
Black Level
3.8
V
RLOAD2
Output Load Resistance
1.5
k
W
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VCLAMP
Clamp Level
Max. Contrast
4
V
VRGB
RGB Input Voltage
0.7
1
VPP
CRGB
RGB Gain
Max. Contrast, Max. Drive
4.28
-
Dblack
Difference of black level of internal
and external signals at the RGB out-
puts
OSD signal versus internal signal
50
mV
IRGB
Clamping Current
60
100
140
µA
Crosstalk
Deletion of non-selected RGB source From 0 to 5 MHz
50
dB
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VTHFB1A
OSD Insertion Threshold Voltage
Half Contrast disable
Register 08hex d6 = 0
0.5
0.7
0.85
V
VTHFB1B
OSD Insertion Threshold Voltage
Half Contrast enable
Register 08hex d6 = 1
1.5
1.9
2.3
V
VTH-HC
Half Contrast Threshold Voltage
Half Contrast enable
Register 08hex d6 = 1
0.5
0.7
0.85
V
VTHFB2
Blanking Threshold Voltage,
Oversize Blanking active
Register 08hex, d7 = 1
3.244.8
V
tSWI1
Insertion Switching Delay
20
40
ns
tSWI2
Blanking Switching Delay
From FBOSD = 4V to starting of
blanking falling edge at RGB out-
puts
100
ns
IFB
Input current
0V at Pin FBOSD
10
µA



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