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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.
| Type | Title | Date | |
|---|---|---|---|
| * | Data sheet | LM118/LM218/LM318 Operational Amplifiers datasheet (Rev. C) | 20 Mar 2013 |
| Technical article | What is an op amp? | 21 Jan 2020 | |
| Technical article | How to lay out a PCB for high-performance, low-side current-sensing designs | 06 Feb 2018 | |
| Technical article | Low-side current sensing for high-performance cost-sensitive applications | 22 Jan 2018 | |
| Technical article | Voltage and current sensing in HEV/EV applications | 22 Nov 2017 | |
| E-book | The Signal e-book: A compendium of blog posts on op amp design topics | 28 Mar 2017 | |
| Application note | Building an Op Amp With Bipolar Transistors, A Historical Application Note (Rev. A) | 19 Sep 2016 | |
| Application note | Effect of Heavy Loads on Accuracy and Linearity of Op Amp Circuits (Rev. B) | 22 Apr 2013 | |
| Application note | AN-446 A 150W IC Op Amp Simplifies Design of Power Circuits | 10 May 2004 | |
| Application note | Instrumentational Amplifiers (See also LMP8358) | 02 Oct 2002 |
For additional terms or required resources, click any title below to view the detail page where available.
Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.
The (...)
| Package | Pins | Download |
|---|---|---|
| PDIP (P) | 8 | View options |
| SOIC (D) | 8 | View options |
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