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LF453CM Datasheet

  • LF453CM

  • LF453 Wide-Bandwidth Dual JFET-Input Operational Amplifiers

  • 8頁

  • NSC

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LF453 Wide-Bandwidth Dual JFET-Input Operational Amplifiers
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
Y
Y
Y
Y
Y
Y
Y
Y
Y
Internally trimmed offset voltage
Low input bias current
Low input noise current
Wide gain bandwidth
High slew rate
Low supply current
High input impedance
Low total harmonic distortion
A
V
e
10 R
L
e
10k
V
O
e
20 V
p 鈥損
f
e
20 Hz 鈥?20 kHz
Low 1 f noise corner
Fast settling time to 0 01%
5 0 mV (max)
50 pA (typ)
0 01 pA
S
Hz (typ)
4 MHz (typ)
13 V
ms
(typ)
6 5 mA (max)
10
12
X
(typ)
k
0 02% (typ)
50 Hz (typ)
2
ms
(typ)
Typical Connection
Connection Diagram
SO Package
TL H 9710 鈥?2
Top View
Order Number LF453CM
See NS Package Number M08A
TL H 9710 鈥?1
Simplified Schematic
TL H 9710 鈥?3
BI-FET II
TM
is a trademark of National Semiconductor Corporation
C
1995 National Semiconductor Corporation
TL H 9710
RRD-B30M115 Printed in U S A

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