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參數(shù)資料
| 型號(hào)： | LM1269NA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 110 MHz I2C Compatible RGB Video Amplifier System with OSD & DACs |
| 中文描述： | 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP24 |
| 封裝： | PLASTIC, DIP-24 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 1676K |
| 代理商： | LM1269NA |
Active Video Signal Electrical Characteristics
(Continued)
Unless otherwise noted: T
A
= 25C, V
CC
= +5V, V
IN
= 0.7V, V
ABL
= V
CC
, C
L
= 8 pF, Video Output = 2 V
P-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)
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
ABL
= 2V(Note 12)
Test Setting 4, AC Input Signal
(Note 12)
Clamp Comparators Off
Clamp Comparators On
V
23
= 0V to V
CC
1V
(Note 15)
Limit is guaranteed by design
±
0.5
dB
V
ABL TH
ABL Control Upper Limit
5
V
V
ABL Range
ABL Control Voltage Active
Range
ABL Control Range
2
V
A
ABL
8
dB
I
ABL Active
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
Ref
Output Voltage
0
10
μA
I
ABL Max
1
mA
V
Clamp Max
V
Clamp Min
I
Clamp
t
PW Clamp
t
Clamp-Video
1.4
V
V
μA
ns
2.6
5
200
0.1
10
200
nsec
R
In-Video
I
In-Video
V
Ref
Out
Test Setting (4)
Test Setting (4)
10 k
, 1% Resistor; Pin 10 to
GND
V
CC
Adjusted to Activate
20
0.1
M
μA
10
1.25
1.40
1.55
V
V
Spot
Spot Killer Voltage
3.6
4.0
4.25
V
OSD Electrical Characteristics
Unless otherwise noted: T
A
= 25C, V
CC
= +5V, V
IN
= 0.7V, V
ABL
= V
CC
, C
L
= 8 pF, Video Signal Output = 2 V
P-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 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
P-P
Attenuation
Output Variation between
Channels
OSD Inputs are Selected
1.2
V
V
OSD-H
OSD Inputs are Selected
2.5
V
I
OSD
V
OSD-Sel-L
V
OSD
= 0V to V
CC
1V
Video Inputs are Selected
5
0.1
10.0
μA
1.2
V
V
OSD-Sel-H
OSD Inputs are Selected
2.5
V
I
OSD-Sel
V
O-OSD(Blk)
V
OSD-Sel
= 0V to V
CC
1V
Register 08 = 18, Minimum
Video Black Level
5
0.1
10
μA
±
45
±
150
mV
V
O-OSD(Blk)
Register 08 = 18, Minimum
Video Black Level
100
0
+100
mV
V
OSD-out
Register 08 = 18, Minimum
Video Black Level
Register 08 = 08
Register 08 Changed from 18
to 08
75
88
100
%
V
OSD-out
V
OSD-out
(Track)
58
63
68
%
±
3.0
±
5.0
%
L
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