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LM1269 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM1269
Description  110 MHz I2C Compatible RGB Video Amplifier System with OSD & DACs
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM1269 Datasheet(HTML) 3 Page - National Semiconductor (TI)

 
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Active Video Signal Electrical Characteristics (Continued)
Unless otherwise noted: T
A = 25˚C, VCC = +5V, VIN = 0.7V, VABL =VCC,CL = 8 pF, Video Output = 2 VP-P.
Symbol
Parameter
Conditions
Min
(Note 7)
Typ
(Note 6)
Max
(Note 7)
Units
A
V Track
Gain Change between
Amplifiers
Tracking when Changing from
Test Setting 8 to Test Setting 5
(Note 11)
±0.5
dB
V
ABL TH
ABL Control Upper Limit
Test Setting 4, AC Input Signal
(Note 12)
5V
V
ABL Range
ABL Control Voltage Active
Range
Test Setting 4, AC Input Signal
(Note 12)
2V
∆A
ABL
ABL Control Range
Test Setting 4, AC Input Signal
(Note 12)
−8
dB
I
ABL Active
ABL Input Bias Current during
ABL
Test Setting 4, AC Input
Signal, V
ABL = 2V(Note 12)
010
µA
I
ABL Max
ABL Input Current Clamp Sink
Capability
Test Setting 4, AC Input Signal
(Note 12)
1mA
V
Clamp Max
Clamp Gate Low Input Voltage
Clamp Comparators Off
1.4
V
V
Clamp Min
Clamp Gate High Input Voltage
Clamp Comparators On
2.6
V
I
Clamp
Clamp Gate Input Current
V
23 = 0VtoVCC − 1V
−5
0.1
10
µA
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
nsec
R
In-Video
Input Resistance
Test Setting (4)
20
M
I
In-Video
Input Bias Current
Test Setting (4)
0.1
10
µA
V
RefOut
V
Ref Output Voltage
10 k
Ω, 1% Resistor; Pin 10 to
GND
1.25
1.40
1.55
V
V
Spot
Spot Killer Voltage
V
CC Adjusted to Activate
3.6
4.0
4.25
V
OSD Electrical Characteristics
Unless otherwise noted: T
A = 25˚C, VCC = +5V, VIN = 0.7V, VABL =VCC,CL = 8 pF, Video Signal Output = 2 VP-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
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
10.0
µA
V
OSD-Sel-L
OSD Select Low Input
Operating Range
Video Inputs are Selected
1.2
V
V
OSD-Sel-H
OSD Select High Input
Operating Range
OSD Inputs are Selected
2.5
V
I
OSD-Sel
OSD Select Input Current
V
OSD-Sel = 0VtoVCC − 1V
−5
0.1
10
µA
∆V
O-OSD(Blk)
OSD
∆Black Level Output
Voltage, Difference from Video
Output
Register 08 = 18, Minimum
Video Black Level
±45
±150
mV
V
O-OSD(Blk)
Range of OSD Black Level
Output Voltage between the 3
Channels
Register 08 = 18, Minimum
Video Black Level
−100
0
+100
mV
V
OSD-out
OSD Output Voltage, Percent
of Maximum Video Out
Register 08 = 18, Minimum
Video Black Level
75
88
100
%
∆V
OSD-out
OSD Output V
P-P Attenuation
Register 08 = 08
58
63
68
%
V
OSD-out
(Track)
Output Variation between
Channels
Register 08 Changed from 18
to 08
±3.0
±5.0
%
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