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參數(shù)資料
| 型號： | LF451CM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | LF451 Wide-Bandwidth JFET-Input Operational Amplifier |
| 中文描述： | OP-AMP, 5000 uV OFFSET-MAX, 4 MHz BAND WIDTH, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 207K |
| 代理商： | LF451CM |
TL/H/9660
L
December 1995
LF451 Wide-Bandwidth
JFET-Input Operational Amplifier
General Description
The LF451 is a low-cost high-speed JFET-input operational
amplifier with an internally trimmed input offset voltage (BI-
FET II
TM
technology). The device requires a low supply cur-
rent and yet maintains a large gain bandwidth product and a
fast slew rate. In addition, well matched high voltage JFET
input devices provide very low input bias and offset cur-
rents. The LF451 is pin compatible with the standard
LM741, allowing designers to upgrade the overall perform-
ance of existing designs.
The LF451 may be used in such applications as high-speed
integrators, fast D/A converters, sample-and-hold circuits
and many other circuits requiring low input bias current, high
input impedance, high slew rate and wide bandwidth.
Features
Y
Internally trimmed offset voltage
5.0 mV (max)
50 pA (typ)
Y
Low input bias current
Y
Low input noise current
0.01 pA/
Hz (typ)
4 MHz (typ)
13 V/
m
s (typ)
3.4 mA (max)
10
12
X
(typ)
k
0.02% (typ)
Y
Wide gain bandwidth
Y
High slew rate
Y
Low supply current
Y
High input impedance
Y
Low total harmonic distortion A
V
e
10,
R
L
e
10k, V
O
e
20 V
p–p
, f
e
20 Hz–20 kHz
Y
Low 1/f noise corner
50 Hz (typ)
2
m
s (typ)
Y
Fast settling time to 0.01%
Connection Diagram
S.O. Package
TL/H/9660–2
Top View
Order Number LF451CM
See NS Package Number M08A
Typical Connection
TL/H/9660–1
Simplified Schematic
TL/H/9660–3
BI-FET
TM
is a trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation
RRD-B30M125/Printed in U. S. A.
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