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參數(shù)資料
| 型號： | LM249J |
| 英文描述： | Voltage-Feedback Operational Amplifier |
| 中文描述： | 電壓反饋運(yùn)算放大器 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 291K |
| 代理商： | LM249J |
Absolute Maximum Ratings
(Note 4)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage (IN to GND)
Voltage ON/OFF to GND
Power Dissipation (Note 5)
Junction Temp. (T
J
) (Note 5)
Ambient Storage Temp.
Soldering Time, Temp. (Note 6)
Wave
Infrared
Vapor Phase
35V
5.5V
400 mW
+150C
65 to +150C
4sec., 260C
10sec., 240C
75sec., 219C
ESD (Note 7)
ON/OFF
All Other Pins
1.0kV
2.0kV
Operating Ratings
(Note 4)
Maximum Input Voltage (IN to GND)
Voltage ON/OFF to GND
Junction Temperature (T
J
)
Maximum Power Dissipation (Note 8)
30V
0 to 5V
40 to +125C
300 mW
Electrical Characteristics
LM3490-3.3, LM3490-5.0
V
= V
+ 1.5V unless otherwise noted. Typicals and limits appearing in normal type apply for T
= T
= 25C. Limits ap-
pearing in boldface type apply over the entire junction temperature range for operation, 40 to +125C. (Notes 9, 10, 11)
Nominal Output Voltage (V
NOM
)
Symbol
Parameter
Conditions
V
OUT
Output Voltage
1 mA
≤
I
OUT
≤
100 mA
3.3V
5.0V
Units
Typical
3.30
Limit
Typical
5.00
Limit
3.17
3.14
3.43
3.46
4.80
4.75
5.20
5.25
V
V(min)
V(min)
V(max)
V(max)
mV
mV(max)
mV
mV(max)
V
OUT
Line Regulation
V
NOM
+ 1.5V
≤
V
IN
≤
30V,
I
OUT
= 1 mA
10 mA
≤
I
OUT
≤
100 mA
7
25
9
25
V
OUT
Load Regulation
15
40
15
40
I
GND
Ground Pin
Current
V
NOM
+ 1.5V
≤
V
IN
≤
30V,
No Load
V
ON/OFF
= 5V
2
2
mA
4
4
mA(max)
μA
μA(max)
V
V(max)
V(max)
V
V(max)
V(max)
μV
rms
V
ON/OFF
= 0V
0.1
0.1
5
5
V
IN
-
V
OUT
Dropout Voltage
I
OUT
= 10 mA
0.7
0.9
1.0
0.7
0.9
1.0
I
OUT
= 100 mA
0.9
1.1
1.2
0.9
1.1
1.2
e
n
Output Noise
Voltage
Maximum Low
Level Input
Voltage at
ON/OFF
Minimum High
Level Input
Voltage at
ON/OFF
V
IN
= 10V,
Bandwidth: 10 Hz to 100 kHz
100
150
V
IL
0.2
0.2
V(max)
V
IH
2.0
2.0
V(min)
I
IL
I
IH
V
ON/OFF
= 0V
V
ON/OFF
= 5V
1
1
μA(max)
μA
μA(max)
1
1
20
20
www.national.com
3
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