参数资料
型号: 5962P9853901QPA
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 运算放大器
英文描述: OP-AMP, 4000 uV OFFSET-MAX, 15 MHz BAND WIDTH, CDIP8
封装: CERDIP-8
文件页数: 1/22页
文件大小: 590K
代理商: 5962P9853901QPA
LM118/LM218/LM318
Operational Amplifiers
General Description
The LM118 series are precision high speed operational am-
plifiers designed for applications requiring wide bandwidth
and high slew rate. They feature a factor of ten increase in
speed over general purpose devices without sacrificing DC
performance.
The LM118 series has internal unity gain frequency compen-
sation. This considerably simplifies its application since no
external components are necessary for operation. However,
unlike most internally compensated amplifiers, external fre-
quency compensation may be added for optimum perfor-
mance. For inverting applications, feedforward compensa-
tion will boost the slew rate to over 150V/s and almost
double the bandwidth. Overcompensation can be used with
the amplifier for greater stability when maximum bandwidth
is not needed. Further, a single capacitor can be added to re-
duce the 0.1% settling time to under 1 s.
The high speed and fast settling time of these op amps make
them useful in A/D converters, oscillators, active filters,
sample and hold circuits, or general purpose amplifiers.
These devices are easy to apply and offer an order of mag-
nitude better AC performance than industry standards such
as the LM709.
The LM218 is identical to the LM118 except that the LM218
has its performance specified over a 25C to +85C tem-
perature range. The LM318 is specified from 0C to +70C.
Features
n
15 MHz small signal bandwidth
n
Guaranteed 50V/s slew rate
n
Maximum bias current of 250 nA
n
Operates from supplies of ±5V to ±20V
n
Internal frequency compensation
n
Input and output overload protected
n
Pin compatible with general purpose op amps
Fast Voltage Follower
(Note 1)
DS007766-13
Note 1: Do not hard-wire as voltage follower (R1
≥ 5k)
August 2000
LM1
18/LM218/LM318
Operational
Amplifiers
2000 National Semiconductor Corporation
DS007766
www.national.com
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