STV2246H STMicroelectronics, STV2246H Datasheet - Page 33

• Manufacturer Part Number: STV2246H
• Manufacturer: STMicroelectronics

Specifications of STV2246H

• Lead Free Status / Rohs Status: Compliant

STV224X, STV228X, STV223X - ELECTRICAL CHARACTERISTICS
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
33/86
Overshoot
Crosstalk Deletion of non-selected RGB source From 0 to 5 MHz
Groupdel
Symbol
Symbol
V
Symbol
Symbol
V
Dblack
CRGB
V
fPEAK
G
V
V
t
CLAMP
I
t
YCrCb
SHIFT
RGB
THFB
I
SWI
RGB
MAX
t
t
t
t
PEAK
FB
D1
D2
D3
D4
Clamp Level
RGB Input Voltage
YCrCb Input Voltage
RGB Gain
Difference of black level of internal
and external signals at the RGB out-
puts
Clamping Current
Insertion Threshold Voltage
Insertion Switching Delay
Input Current
Max. voltage allowed at FBEXT input
Delay Time PAL/NTSC
Delay Time SECAM
Delay Time PAL/NTSC
Delay Time SECAM
Delay Time (lumDel1 - lumDel2)
Group Delay up to 3.5MHz
Center Frequency
Gain Variation from Min. to Max.
peaking
Amplitude Variation compared to
B/W amplitude
Parameter
Parameter
Parameter
Parameter
SVHS mode, Register 1F d3 = 0
SVHS mode, Register 1F d3 = 0
CVBS mode, Register 1F d3 = 0
CVBS mode, Register 1F d3 = 0
lumDel1 = reg 1F d3 = 0, standard
luma delay
lumDel2 = reg 1F d3 = 1, shifted luma
delay
Trap-off
Trap-off, coring ON
At f
2T pulse, Max. peaking, coring ON
Max. Contrast
100% color bar
register 0Ahex d7d6 = 11
Max. Contrast, Max. Drive
OSD signal versus internal signal
0V at Pin FBEXT
PEAK
, coring ON
Test Conditions
Test Conditions
Test Conditions
Test Conditions
Cb
Cr
Y
Min.
Min.
0.5
60
50
Min.
Min.
2.5
Typ.
Typ.
4.28
100
0.7
0.7
Typ.
Typ.
3.5
0.7
0.7
20
520
640
560
710
140
±30
1
55
3
9
Max.
Max.
0.85
Max.
Max.
140
3.5
50
40
10
1
5
MHz
Unit
Unit
Unit
Unit
V
V
mV
µA
dB
µA
dB
ns
ns
ns
ns
ns
ns
ns
%
V
V
V
PP
PP
-