This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

[FAQ] Designing with general purpose op amps

Former Member
Former Member
Other Parts Discussed in Thread: TINA-TI, LM324, LM358

Last Updated: January 3, 2022

This FAQ covers a wide breadth of topics relating to designing with general purpose op amps and provides circuit design ideas and approaches while highlighting some of our latest products.

___________________________________________________________________________________

Golden reference sources

Analog Engineer's Circuit Cookbook: Amplifiers: Learn how to simplify and speed up system design with our comprehensive library of sub-circuit ideas. Our analog engineer’s circuit amplifier cookbook offers 60+ sub-circuit designs in an easy to use e-book. Each circuit can be easily adapted to meet your specific end equipment needs and includes step-by-step instructions, basic formulas, schematic diagrams and SPICE simulations.

Texas Instruments Precision Labs – Op Amps: TI Precision Labs is the electronics industry’s most comprehensive online classroom for analog engineers. The on-demand courses and tutorials include introductory ideas about device architecture in addition to advanced, application-specific problem-solving, using both theory and practical knowledge. Use these hands-on courses to predict circuit performance and move seamlessly from abstract concepts to specific formulae in an easy-to-follow format. Industry experts present each topic in order to help reduce design time and move quickly from proof-of-concept to production.

Analog Engineer’s Pocket Reference: Written by op amp experts Art Kay and Tim Green, the Analog Engineer's Pocket Reference covers a wide variety of popular precision signal chain topics – from op amp bandwidth and stability to analog-to-digital and digital-to-analog conversions and more. The e-book is available three ways – PDF, iPhone and Android apps and hard copy (for purchase) – so you can keep this tried-and-true reference guide at your fingertips, no matter where you are.

Analog Engineer’s Calculator: The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback resistors to selecting appropriate circuit design elements for stabilizing an analog-to-digital converter (ADC) drive buffer circuit.

The Signal: A compendium of blog posts on op amp design topics, this source was compiled by the famous analog applications engineer, Bruce Trump.

AN-31 amplifier circuit collection: This collection of analog circuits provides a thorough list of amplifier configurations for a broad range of design needs.  Circuits come with relevant equations, TINA-TI simulation files, and links to extra resources.

___________________________________________________________________________________

Choosing an op amp

[FAQ] How to Find In-Stock Alternative Parts

What is an op amp?

Taking the family-first approach to op amp selection

Simplify your bill of materials with high-voltage amplifiers

Do You Really Need Rail-to-Rail Input Amplifiers?

Op amps with complementary-pair input stages: What are the design trade-offs?

Low Voltage, High Slew Rate Op-amps for Motor Drive Circuits

Op Amp ESD Protection Structures

___________________________________________________________________________________

LM358, LM324 and 555 timers

Application Design Guidelines for LM324/LM358 Devices

How do I design monostable timer circuits using LMC555, TLC555, LM555, NA555, NE555, SA555, or SE555?

How do I design a-stable timer circuits using LMC555, TLC555, LM555, NA555, NE555, SA555, or SE555?

How do I design a pulse width modulator (PWM) circuit using LMC555, TLC555, LM555, NA555, NE555, SA555, or SE555?

Why Users Should Consider Upgrading Their LMV324, LMV358, and LMV321 Devices

___________________________________________________________________________________

Circuit design topics

[FAQ] Why does the slew rate in my application not match the op amp's data sheet?

How to Design Transimpedance Amplifier Circuits

Using Operational Amplifiers as Multiplexers in Cost-Optimized Designs

Improve Stability Issues with Low CON Multiplexers

Using An Op Amp for High-Side Current Sensing

Designing for TLV90xxS operational amplifiers with shutdown

Low-side current sensing for high-performance cost-sensitive applications

Designing tiny microphone circuits with the industry’s smallest op amp

Using quad op amps to sense multiple currents

Comparing two-wire microphone circuits for automotive applications

Three ways to scale an analog input signal

Voltage scaling for almost any application (single ended)

Designing with low-power op amps

___________________________________________________________________________________

Simulation, layout, manufacturing and second-sourcing

AN-1516 SPICE Universal Test Circuits

Designing and Manufacturing with TI’s X2SON Packages

How to lay out a PCB for high-performance, low-side current-sensing designs

Second-sourcing options for small-package amplifiers

Simplifying Signal Chain Design for High Performance in Small Systems

Op Amp PCB Layout - TI Precision Labs

MSL Ratings and Reflow Profiles

___________________________________________________________________________________

Op amp cross-references

Operational amplifiers (op amps) - Cross reference tool

Operational amplifiers (op amps) - Product parametric search tool

TLV9302: What are the best cross reference replacements for the MC33202, MC33172, and MC33178 devices? P2P is preferred.

Automotive amplifiers: Is the LM2904B-Q1 a cross reference replacement for the LM2904-Q1?

OPA991: What are the best cross reference replacements for the AD711, AD8627 and ADA4000-1 devices? P2P is preferred

TLV9151: What are the best cross reference replacement for the TS921, TLV271, and AD8665 devices? P2P is preferred

TLV9351: What is the best cross reference replacement for MC33071, MIC6211, and NCS20071 devices? P2P (Pin to Pin) is preferred.