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Active Video Signal Electrical Characteristics (Continued)
Unless otherwise noted: T
A = 25C, VCC = +5V, VIN = 0.7V, VABL =VCC,CL = 5 pF, Video Signal Output = 2VP-P.
Symbol
Parameter
Conditions
Min
(Note 7)
Typ
(Note 6)
Max
(Note 7)
Units
V
ABL TH
ABL Control Upper Limit
Test Setting 4, AC Input Signal
(Note 12)
5V
V
ABL Range
ABL Active Range Control
Voltage
Test Setting 4, AC Input Signal
(Note 12)
2.7
V
A
ABL
ABL Control Range
Test Setting 4, AC Input Signal
(Note 12)
-6
8
dB
I
ABL Active
ABL Input Bias Current during
ABL
Test Setting 4, AC Input
Signal, V
ABL = 2V (Note 12)
010
A
I
ABL Max
ABL Input Current Clamp Sink
Capability
Test Setting 4, AC Input Signal
(Note 12)
1mA
V
Vert Bnk Off
Vertical Blank Gate Low
Input Voltage at pin 13
Vertical Blank Comparators Off
Register B set to 0x02 (Note
18)
1.0
V
Vert Bnk On
Vertical Blank Gate High
Input Voltage at pin 13
Vertical Blank Comparators On
Register B set to 0x02 (Note
18)
2.6
V
I
Vert Bnk Low
Vertical Blank Gate Low
Input Current at pin 13
V
13 = 0V, Register B set to
0x02 (Note 18)
-4.0
A
I
Vert Bnk High
Vertical Blank Gate High
Input Current at pin 13
V
13 =VCC, Register B set to
0x02 (Note 18)
(internal 50k resistor to ground)
100
A
V
Vert Bnk Off
Vertical Blank Gate Low
Input Voltage at pin 23
Vertical Blank Comparators Off
Register B set to 0x06
0.7
V
Vert Bnk On
Vertical Blank Gate High
Input Voltage at pin 23
Vertical Blank Comparators On
Register B set to 0x06 (Note
16)
1.2
3.2
V
Clamp Min
Horizontal Clamp Gate High
Input Voltage
Horizontal Clamp Comparators
On
3.8
V
I
Clamp
Clamp Gate Input Current
V
23 = 0VtoVCC 1V,
Register B set to 0x06
5
0.1
10
A
t
PW Clamp
Back Porch Clamp Pulse Width
(Note 15)
200
ns
t
Clamp-Video
End of Clamp Pulse to Start of
Active Video
Limit is guaranteed by design
200
ns
t
PW SandClamp
Sandcastle Clamp Pulse Width
Horizontal Clamp Comparators
On Register B set to 0x06
(Note 16)
0.20
1.20
sec
R
In-Video
Input Resistance
Test Setting (4)
20
M
V
RefOut
V
Ref Output Voltage
10 k
, 1% Resistor; Pin 10 to
GND
1.25
1.40
1.55
V
Spot
Spot Killer Voltage
V
CC Adjusted to Activate
3.4
4.0
4.25
V
OSD Electrical Characteristics
Unless otherwise noted: T
A = 25C, VCC = +5V, VIN = 0.7V, VABL =VCC,CL = 5 pF, Video Signal Output = 2VP-P, Test Set-
ting 8.
Symbol
Parameter
Conditions
Min
(Note 7)
Typ
(Note 6)
Max
(Note 7)
Units
V
OSD-L
OSD Input Low Input
Operating Range
OSD Inputs are Selected
1.2
V
OSD-H
OSD Input High Input
Operating Range
OSD Inputs are Selected
2.5
V
I
OSD
OSD Input Current
V
OSD = 0VtoVCC 1V
5
0.1
10
A
LM1262
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