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參數(shù)資料
| 型號： | LM1253AN |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 畫面疊加 |
| 英文描述： | Monolithic Triple 180 MHz I2C CRT Pre-amp With Integrated Analog On Screen Display (OSD) Generator |
| 中文描述： | ON-SCREEN DISPLAY IC, PDIP28 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 5/57頁 |
| 文件大?。?/td> | 1621K |
| 代理商： | LM1253AN |
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Absolute Maximum Ratings
(Notes 1, 3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage, (V
CC
)
Input Voltage, (V
IN
)
Storage Temperature Range, (T
STG
)
T
JMAX
6V
6V
65C to +150C
150C
Lead Temperature (Soldering,
<
10 sec.)
ESD Tolerance, Human Body Model
300C
3 kV
300V
Machine Model
Operating Ranges
(Note 2)
Temperature Range
V
CC
0C to +70C
+4.75V to +5.25V
Active Video Signal Electrical Characteristics
(See Figure 3 for Test Circuit, and Table 1 for Control Test Settings Chart)
Unless otherwise noted: V
CC
= +5V, V
IN
= 0.7V, C
L
= 8 pF, Video Signal Output = 1 V
PP
, T
A
= 25C, V
ABL
= V
CC
.
Symbol
Parameter
Conditions
LM1253A
Typ
245
Units
Min
Max
I
CC1MAX
V
OUT BLK
Maximum Supply Current
Active Video Black Level Minimum
Output Voltage
Linearity Error
Test Setting 1, No Output Load
Test Setting 1, No AC Input Signal
mA
V
REF
V
DC
LE
Test Setting 3, (Note 4), Triangular
Step Signal Input
Test Setting 3, AC Input Signal
1
%
V
OUT WHITE
Active Video White Level Max
Output Voltage
Rise Time
2.7
V
t
r
Test Setting 3, (Note 5), 10% to
90%, AC Input Signal
Test Setting 3, (Note 5), 90% to
10%, AC Input Signal
Test Setting 3, (Note 5), AC Input
Signal
Test Setting 3, (Note 5), AC Input
Signal
Measured in AC2DC002 Demo
Board. LM1253A set for 40 V
PP
swing at LM2453 output
Test Setting 2, AC Input Signal
3.0
ns
t
f
Fall Time
3.0
ns
OS
R
Rising Edge Overshoot
5
%
OS
F
Falling Edge Overshoot
5
%
f(3dB)
Video Amplifier Bandwidth
180
MHz
A
CONTRAST
Contrast Max-Min Adjustment
Range
Gain Max-Min Adjustment Range
Max Signal Voltage Gain
Auto Beam Limit Control Upper
Limit
Auto Beam Limit Control Voltage
Range
Auto Beam Limit Control Range
20
dB
A
GAIN
A
MAX
V
ABL TH
Test Setting 2, AC Input Signal
Test Setting 2, AC Input Signal
Test Setting 3, (Note 6), AC Input
Signal
Test Setting 3, (Note 6), AC Input
Signal
Test Setting 3, (Note 6), AC Input
Signal
Test Setting 3, (Note 6), AC Input
Signal
Test Setting 3
10
1.8
dB
V/V
4.5
V
V
ABL RANGE
3
V
A
ABL
10
dB
I
ABL MAX
Auto Beam Limit Input Current
Sink Capability
Input AC Coupling Capacitor
Typical V
REF
Output Voltage
Channel to Channel Crosstalk
1
mA
C
IP
V
REF
XT
4.7
1.65
40
nF
V
dB
1.55
1.75
10 MHz
L
www.national.com
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