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參數(shù)資料
| 型號： | LF453CM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | LF453 Wide-Bandwidth Dual JFET-Input Operational Amplifiers |
| 中文描述： | DUAL OP-AMP, 5000 uV OFFSET-MAX, 4 MHz BAND WIDTH, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SOP-8 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 219K |
| 代理商： | LF453CM |
TL/H/9710
L
December 1994
LF453 Wide-Bandwidth Dual
JFET-Input Operational Amplifiers
General Description
The LF453 is a low-cost, high-speed, dual JFET-input oper-
ational amplifier with an internally trimmed input offset volt-
age (BI-FET II technology). The device requires a low supply
current and yet the amplifiers maintain a large gain band-
width product and a fast slew rate. In addition, well matched
high voltage JFET input devices provide very low input bias
and offset currents. The LF453 is pin compatible with the
standard LM1558, allowing designers to upgrade the overall
performance of existing designs.
The LF453 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)
0.01 pA/
S
Hz (typ)
4 MHz (typ)
13 V/
m
s (typ)
6.5 mA (max)
10
12
X
(typ)
k
0.02% (typ)
Y
Low input bias current
Y
Low input noise current
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%
Typical Connection
TL/H/9710–1
Connection Diagram
SO Package
TL/H/9710–2
Top View
Order Number LF453CM
See NS Package Number M08A
Simplified Schematic
TL/H/9710–3
BI-FET II
TM
is a trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
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