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參數(shù)資料
| 型號(hào)： | LM1270 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Hi-Brite 200 MHz I2C Compatible RGB Image Enhancer with Video Auto Sizing |
| 中文描述： | 高亮度場(chǎng)致200兆赫與I2C兼容的RGB視頻自動(dòng)上漿圖像增強(qiáng) |
| 文件頁數(shù)： | 2/27頁 |
| 文件大?。?/td> | 1302K |
| 代理商： | LM1270 |
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Absolute Maximum Ratings
3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Notes 1,
Supply Voltage, Pins 9 and 18
Peak Video Output Source Current
(Any One Amp) Pins 19, 20 or 21
Voltage at Any Input Pin
(V
IN
)
Power Dissipation (P
D
)
(Above 25C Derate Based
on
θ
JA
and T
J
)
6.0V
28 mA
V
CC
+0.5
>
V
IN
>
0.5V
2.4W
Thermal Resistance to Ambient (
θ
JA
)
Thermal Resistance to Case (
θ
JC
)
Junction Temperature (T
J
)
ESD Susceptibility (Note 4)
ESD Machine Model (Note 5)
Storage Temperature
Lead Temperature (Soldering, 10 sec.)
51C/W
32C/W
150C
2 kV
200V
65C to +150C
265C
Operating Ratings
(Note 2)
Temperature Range
Supply Voltage (V
CC
& PLL V
CC
)
Video Inputs
0C to +70C
4.75V
<
V
CC
<
5.25V
0.0V
<
V
IN
<
1.0V
P-P
Active Video Signal Electrical Characteristics
Unless otherwise noted: T
A
= 25C, V
CC
= +5V, V
IN
= 0.7V, C
L
= 5 pF, Video Signal Output = 0.7V
P-P
.
Symbol
Parameter
Conditions
Min
(Note 7)
Typ
(Note 6)
165
Max
(Note 7)
235
Units
I
CC
I
CC-PS
Maximum Supply Current
Maximum Supply Current, Power
Save Mode
Linearity Error
Both Supplies, R
L
=
∞
(Note 8)
Both Supplies, R
L
=
∞
(Note 8)
mA
15
25
35
mA
LE
Triangular Signal Input Source
(Note 9)
Test Setting 4, No AC Input Signal
No AC Input Signal
5
%
V
O BLK TYP
V
O BLK A-B
Typical Video Black Level Output
Typical Video Black Level
Difference A-B
White Level Video Output Voltage
Rise Time
1.2
1.4
1.6
VDC
0.05
0
0.05
VDC
V
O WHITE-MAX
t
r
Video in = 0.7V
10% to 90%, AC Input Signal
(Note 10)
AC Input Signal (Note 10)
90% to 10%, AC Input Signal
(Note 10)
AC Input Signal (Note 10)
V
O
= 1V
P-P
0.9
1.0
1.1
V
1.9
ns
OS
R
t
f
Overshoot (Rising Edge)
Fall Time
6
%
2.0
ns
OS
F
f (3 dB)
Overshoot (Falling Edge)
Video Amplifier Bandwidth
(Note 12)
Video Amplifier 10 kHz Isolation
Video Amplifier 10 MHz Isolation
Maximum Voltage Gain
8
%
200
MHz
V
SEP
10 kHz
V
SEP
10 MHz
A
V MAX
(Note 14)
(Note 14)
Reg. 09 & 0A = 7Fh, AC Input
Signal
Reg. 09 & 0A = 40h, AC Input
Signal
Reg. 09 & 0A = 00h, AC Input
Signal
Reg. 09 & 0A = 7Fh, AC Input
Signal
Tracking When Changing A
V MAX
to
A
V 1/2
(Note 11)
Normal Operation
Default Mode, Clamp Comparators
Off
Default Mode, Clamp Comparators
On
Default Mode, V
24
= 0V
70
50
dB
dB
1.3
1.4
1.5
V/V
A
V 1/2
Contrast
@
50% Level
5
dB
A
V MIN
Maximum Contrast Attenuation
10
dB
A
V MATCH
Absolute Gain Match
@
A
V MAX
±
0.5
dB
A
V TRACK
Gain Change between Amplifiers
±
0.5
dB
VID
THRESHOLD
V
CLAMP MAX
Video Threshold
Clamp Gate Low Input Voltage
80
mV
2.2
V
V
CLAMP MIN
Clamp Gate High Input Voltage
2.8
V
I
CLAMP LOW
Clamp Gate Input Current
1.6
1.4
1.1
mA
L
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