SNOSBS8C – MARCH 1998 – REVISED MARCH 2013
LM118-N/lm218-N/LM318-N Operational Amplifiers
Check for Samples:
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FEATURES
15 MHz Small Signal Bandwidth
Ensured 50V/μs Slew Rate
Maximum Bias Current of 250 nA
Operates from Supplies of ±5V to ±20V
Internal Frequency Compensation
Input and Output Overload Protected
Pin Compatible with General Purpose Op
Amps
DESCRIPTION
The LM118 series are precision high speed
operational amplifiers 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
compensation. This considerably simplifies its
application since no external components are
necessary for operation. However, unlike most
internally compensated amplifiers, external frequency
compensation may be added for optimum
performance. For inverting applications, feedforward
compensation will boost the slew rate to over
150V/μs 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
reduce the 0.1% settling time to under 1
μs.
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 magnitude better AC
performance than industry standards such as the
LM709.
The LM218-N is identical to the LM118 except that
the LM218-N has its performance specified over a
−25°C
to +85°C temperature range. The LM318-N is
specified from 0°C to +70°C.
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Fast Voltage Follower
Do not hard-wire as voltage follower (R1
≥
5 kΩ)
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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Copyright © 1998–2013, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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