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LF453

更新时间: 2024-11-03 22:47:11
品牌 Logo 应用领域
美国国家半导体 - NSC 运算放大器
页数 文件大小 规格书
8页 221K
描述
LF453 Wide-Bandwidth Dual JFET-Input Operational Amplifiers

LF453 数据手册

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December 1994  
LF453 Wide-Bandwidth Dual  
JFET-Input Operational Amplifiers  
General Description  
Features  
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  
5.0 mV (max)  
50 pA (typ)  
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.  
0.01 pA/ Hz (typ)  
S
4 MHz (typ)  
13 V/ms (typ)  
6.5 mA (max)  
Low supply current  
12  
10 X (typ)  
High input impedance  
Low total harmonic distortion  
k
0.02% (typ)  
e
e
e
A
V
10, R  
20 V  
10k,  
e
20 Hz20 kHz  
V
L
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.  
, f  
p–p  
O
Y
Y
Low 1/f noise corner  
Fast settling time to 0.01%  
50 Hz (typ)  
2 ms (typ)  
Typical Connection  
Connection Diagram  
SO Package  
TL/H/9710–2  
Top View  
Order Number LF453CM  
See NS Package Number M08A  
TL/H/9710–1  
Simplified Schematic  
TL/H/9710–3  
BI-FET IITM 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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