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STV224X 数据表(PDF) 33 Page - STMicroelectronics

部件名 STV224X
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

STV224X 数据表(HTML) 33 Page - STMicroelectronics

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STV224XH/228XH/223XH - ELECTRICAL CHARACTERISTICS
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4.5.7 External RGB/YCrCb Inputs
4.5.8 External Fast Blanking Input
(See Note 8)
Note 8: The FBEXT input must be connected to ground if not used in the application.
4.6 LUMA PART
4.6.1 Y Delay Line
4.6.2 Peaking Circuit
Electrical parameter measured with color identified
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VCLAMP
Clamp Level
Max. Contrast
3.5
V
VRGB
RGB Input Voltage
0.7
1
VPP
VYCrCb
YCrCb Input Voltage
100% color bar
register 0Ahex d7d6 = 11
Y
Cr
Cb
1
0.7
0.7
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
VTHFB
Insertion Threshold Voltage
0.5
0.7
0.85
V
tSWI
Insertion Switching Delay
20
40
ns
IFB
Input Current
0V at Pin FBEXT
10
µA
VMAX
Max. voltage allowed at FBEXT input
5
V
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
tD1
Delay Time PAL/NTSC
SVHS mode, Register 1F d3 = 0
520
ns
tD2
Delay Time SECAM
SVHS mode, Register 1F d3 = 0
640
ns
tD3
Delay Time PAL/NTSC
CVBS mode, Register 1F d3 = 0
560
ns
tD4
Delay Time SECAM
CVBS mode, Register 1F d3 = 0
710
ns
tSHIFT
Delay Time (lumDel1 - lumDel2)
lumDel1 = reg 1F d3 = 0, standard
luma delay
lumDel2 = reg 1F d3 = 1, shifted luma
delay
140
ns
Groupdel
Group Delay up to 3.5MHz
Trap-off
±30
ns
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
fPEAK
Center Frequency
Trap-off, coring ON
2.5
3
3.5
MHz
GPEAK
Gain Variation from Min. to Max.
peaking
At fPEAK, coring ON
9
dB
Overshoot
Amplitude Variation compared to
B/W amplitude
2T pulse, Max. peaking, coring ON
55
%



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