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参数资料
| 型号： | LM1881M-X/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 信号分离 |
| 英文描述： | SYNC SEPARATOR IC, PDSO8 |
| 封装： | PLASTIC, SO-8 |
| 文件页数： | 6/12页 |
| 文件大小： | 303K |
| 代理商： | LM1881M-X/NOPB |
Electrical Characteristics LM1881–X
V
CC = 5V; RSET = 680 k
;T
A = –40C to +85C by correlation with 100% electrical testing at TA=25C
Parameter
Conditions
Min
Typ
Max
Units
Supply Current
Outputs at
Logic 1
V
CC =5V
V
CC = 12V
5.2
5.5
10
12
mA
DC Input Voltage
Pin 2
1.3
1.5
1.8
V
Input Threshold Voltage
55
70
85
mV
Input Discharge Current
Pin 2; V
IN = 2V
6
11
16
A
Input Clamp Charge Current
Pin 2; V
IN = 1V
0.2
0.8
mA
R
SET Pin Reference Voltage
Pin 6;
1.10
1.22
1.35
V
Composite Sync. & Vertical
Outputs
I
OUT =40A;
Logic 1
V
CC =5V
V
CC = 12V
4.0
11.0
4.5
V
I
OUT = 1.6 mA
Logic 1
V
CC =5V
V
CC = 12V
2.4
10.0
3.6
V
Burst Gate & Odd/Even
Outputs
I
OUT =40A;
Logic 1
V
CC =5V
V
CC = 12V
4.0
11.0
4.5
V
Composite Sync. Output
I
OUT = 1.6 mA; Logic 0; Pin 1
0.2
0.8
V
Vertical Sync. Output
I
OUT = 1.6 mA; Logic 0; Pin 3
0.2
0.8
V
Burst Gate Output
I
OUT = 1.6 mA; Logic 0; Pin 5
0.2
0.8
V
Odd/Even Output
I
OUT = 1.6 mA; Logic 0; Pin 7
0.2
0.8
V
Vertical Sync Width
140
230
588
s
Burst Gate Width
2.7 k
from Pin 5 to V
CC
2.2
4
4.7
s
Vertical Default Time
32
65
90
s
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. For guaranteed specifications and test conditions, see the
Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed.
Note 2: For operation in ambient temperatures above 25C, the device must be derated based on a 150C maximum junction temperature and a package thermal
resistance of 110C/W, junction to ambient.
Note 3: ESD susceptibility test uses the “human body model, 100 pF discharged through a 1.5 k
resistor”.
Note 4: Typicals are at TJ = 25C and represent the most likely parametric norm.
Note 5: Relative difference between the input clamp voltage and the minimum input voltage which produces a horizontal output pulse.
Note 6: Careful attention should be made to prevent parasitic capacitance coupling from any output pin (Pins 1, 3, 5 and 7) to the RSET pin (Pin 6).
Note 7: Delay time between the start of vertical sync (at input) and the vertical output pulse.
Typical Performance Characteristics
R
SET Value Selection
vs Vertical Serration
Pulse Separation
Vertical Default
Sync Delay Time
vs R
SET
00915007
00915008
LM1881,
LM1881-X
www.national.com
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM1881MX-X/NOPB | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LM1881N | 功能描述:视频 IC RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| LM1881N | 制造商:Texas Instruments 功能描述:VIDEO SYNC SEPARATOR 1881 DIP8 |
| LM1881N/NOPB | 功能描述:视频 IC RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| LM1881N/NOPB | 制造商:Texas Instruments 功能描述:Special Function IC |
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