Analog Devices Provides Amplifiers for Every Application
Why are there so many different types of operational amplifiers (op amps)?
Here at Analog Devices our engineers continue the pursuit of the
illusive ideal op amp. And while we’re extremely close to its realization,
unfortunately it still exists only in textbooks. That is why we are committed
to offering such a broad portfolio of op amps to meet the many and varied
needs of our customers.
maker (yes, op amps can be found in coffee makers) or the next generation
medical imaging system, Analog Devices has the right amplifier to meet
your needs.
This document will help you quickly and easily identify the right op
amp(s) for your application. Inside you’ll find a list of op amp terminology
and processes used to fabricate the ICs, a variety of selection tables,
application guides, design tools, and a handy detachable op amp reference
wall chart. We hope you’ll refer to this selection guide often and that it
provides you with a better understanding and appreciation of op amps
and their many applications.
Selecting an op amp is no trivial task: with so many different types of
amplifiers, categories, architectures, and parameters to choose from, the
process can be difficult. Each customer and application requires slightly
different performance. It doesn’t matter whether you’re designing a coffee
Contents
Op Amp Glossary ..................................................... 4 High Speed Amplifiers (BW > 50 MHz)
Amplifier Design Technology.........................................
Amplifier Process and Trimming Technology.........................
5
6
Differential ........................................................... 36
Low Noise/Low Distortion.............................................. 37
Quick Selection Guide—High Speed Amplifiers .................... 7–8 Low Cost ............................................................. 38
Quick Selection Guide—Precision Amplifiers ..................... 9–11 Rail-to-Rail Input/Output............................................... 39
Amplifier Selection Guide by Specifications
Precision Amplifiers (BW < 50 MHz)
FastFET (FET Input).................................................... 40
Current Feedback ..................................................... 41
Zero-Drift ............................................................. 15 High Output Current ................................................... 42
Zero Input Crossover Distortion (ZCO) .................................. 16 High Supply Voltage ................................................... 43
Overvoltage Protection (OVP)........................................... 17 Clamp ................................................................ 44
Ultralow Offset Voltage (VOS # 250 mV Max) ........................ 18–19 Amplifier Selection Guide by Applications
Low Offset Voltage (VOS # 1 mV) ....................................... 20 Energy................................................................ 45
/Amp
Low Power (IS
# 1 mA) ....................................... 21–22 Process Control and Industrial Automation.............................. 46
Low Noise (Vn # 10 nV/√Hz)....................................... 23–24 Instrumentation and Measurement..................................... 47
Low Input Bias Current (IB # 50 pA)................................ 25–26 Motor and Power Control .............................................. 48
Single Supply ..................................................... 27–28 Healthcare ........................................................ 49–50
Rail-to-Rail Output ................................................ 29–31 Communications ...................................................... 51
Rail-to-Rail Input/Output .......................................... 32–33 Consumer Audio ..................................................... 52
Low Cost ......................................................... 34–35 Automotive........................................................... 53
Defense and Aerospace ............................................54–57
Tools, Evaluation Boards, and Other Design Resources...........58–62
Design Equations—Commonly Used Amplifier Configurations.....63–68
Packaging ........................................................69–70
www.analog.com/opamps
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