LM1269 National Semiconductor, LM1269 Datasheet - Page 3
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LM1269
Manufacturer Part Number
LM1269
Description
110 MHz I2C Compatible RGB Video Amplifier System with OSD & DACs
Manufacturer
National Semiconductor
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM1269NA
Manufacturer:
NS/国半
Quantity:
20 000
A
V
V
I
I
V
V
I
t
t
R
I
V
V
V
V
I
V
V
I
V
V
V
(Track)
ABL Active
ABL Max
Clamp
PW Clamp
Clamp-Video
In-Video
OSD
OSD-Sel
A
V
V
Unless otherwise noted: T
V Track
ABL TH
ABL Range
Clamp Max
Clamp Min
Ref
Spot
Unless otherwise noted: T
ting 8.
OSD-L
OSD-H
OSD-Sel-L
OSD-Sel-H
O-OSD(Blk)
OSD-out
OSD-out
In-Video
Active Video Signal Electrical Characteristics
OSD Electrical Characteristics
ABL
O-OSD(Blk)
OSD-out
Symbol
Symbol
Out
Gain Change between
Amplifiers
ABL Control Upper Limit
ABL Control Voltage Active
Range
ABL Control Range
ABL Input Bias Current during
ABL
ABL Input Current Clamp Sink
Capability
Clamp Gate Low Input Voltage
Clamp Gate High Input Voltage
Clamp Gate Input Current
Back Porch Clamp Pulse Width
End of Clamp Pulse to Start of
Active Video
Input Resistance
Input Bias Current
V
Spot Killer Voltage
OSD Input Low Input
Operating Range
OSD Input High Input
Operating Range
OSD Input Current
OSD Select Low Input
Operating Range
OSD Select High Input
Operating Range
OSD Select Input Current
OSD Black Level Output
Voltage, Difference from Video
Output
Range of OSD Black Level
Output Voltage between the 3
Channels
OSD Output Voltage, Percent
of Maximum Video Out
OSD Output V
Output Variation between
Channels
Ref
Output Voltage
A
A
Parameter
Parameter
= 25˚C, V
= 25˚C, V
P-P
Attenuation
CC
CC
= +5V, V
= +5V, V
IN
IN
Tracking when Changing from
Test Setting 8 to Test Setting 5
(Note 11)
Test Setting 4, AC Input Signal
(Note 12)
Test Setting 4, AC Input Signal
(Note 12)
Test Setting 4, AC Input Signal
(Note 12)
Test Setting 4, AC Input
Signal, V
Test Setting 4, AC Input Signal
(Note 12)
Clamp Comparators Off
Clamp Comparators On
V
(Note 15)
Limit is guaranteed by design
Test Setting (4)
Test Setting (4)
10 k , 1% Resistor; Pin 10 to
GND
V
OSD Inputs are Selected
OSD Inputs are Selected
V
Video Inputs are Selected
OSD Inputs are Selected
V
Register 08 = 18, Minimum
Video Black Level
Register 08 = 18, Minimum
Video Black Level
Register 08 = 18, Minimum
Video Black Level
Register 08 = 08
Register 08 Changed from 18
to 08
23
CC
OSD
OSD-Sel
= 0.7V, V
= 0.7V, V
= 0V to V
Adjusted to Activate
= 0V to V
ABL
= 0V to V
Conditions
Conditions
ABL
ABL
3
= 2V(Note 12)
CC
= V
= V
CC
− 1V
CC
CC
− 1V
CC
, C
, C
− 1V
L
L
= 8 pF, Video Output = 2 V
(Continued)
= 8 pF, Video Signal Output = 2 V
(Note 7)
(Note 7)
−100
1.25
Min
Min
200
200
2.6
3.6
2.5
2.5
−5
−5
−5
75
58
(Note 6)
(Note 6)
±
±
1.40
Typ
Typ
±
0.1
0.1
4.0
0.1
0.1
−8
20
88
63
0.5
3.0
5
2
0
0
45
P-P
.
(Note 7)
(Note 7)
±
+100
±
Max
1.55
4.25
Max
10.0
100
1.4
1.2
1.2
10
10
10
10
68
150
5.0
1
P-P
, Test Set-
www.national.com
Units
Units
nsec
mA
M
mV
mV
dB
dB
µA
µA
µA
µA
µA
ns
%
%
%
V
V
V
V
V
V
V
V
V
V