Amplifiers and Comparators

ST's product portfolio includes operational amplifiers and comparators dedicated to the challenging industrial, automotive and consumer markets.

The main features of our growing portfolio are low power, high precision and tiny packages.
The range of products allows easy and fast integration of analog products inside signal conditioning, monitoring and control solutions.

Explore our most commonly used amplifiers. Download our quick reference guide.

Download the Op Amps quick reference guide

Operational amplifiers

op amps operational amplifiers

High performance, low power, precision, automotive-grade qualified op amps and tiny packages.



High-speed, low-power, automotive-grade qualified comparators, outstanding robustness and tiny packages.

Current sense amplifiers

Current sensing

Integrated solution, robust devices and automotive-grade qualified current sense amplifiers.

Video amplifiers

video amplifiers

Single and triple video buffers/filters, with or without power-down function, for HD or SD applications.

Power op amp

power op amps

High output current, low drop and high gain. Power op amp available in insertion and surface-mount packages.

Current Sensing
Quick Reference Guide
Fast and powerful electrical simulation software for SMPS and analog ICs
Training kit for operational amplifiers and comparators


eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Signal Conditioning Design Tool

Choose design tool:

Active Filters

Handles multi-stage-designs and common topologies
Returns circuit component values
Provides gain, phase and group delay graphs
Low Pass, High Pass and Band Pass


Handles most common configurations
Returns circuit components values
Provides I/O signal waveforms
Inverting, Non Inverting, Window

Current Sensing

Returns circuit component values
Provides current error graphs