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Current/Voltage/Power monitors (2)
Operational amplifiers (Op Amps) (344)

1. Amplifiers and comparators

Amplifiers and comparators

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STM32 ODE Sense HW (1) STM32 ODE Translate HW (1)

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Amplifier and comparator eval boards (15) STM32 Nucleo expansion boards (1)

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LED lighting and controls (1) Motor control (4) Power supplies and converters (1) Sensing (2) Wireless (1)

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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.

Operational amplifiers

op amps operational amplifiers

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

Comparators

comparators

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.

Current/Voltage/Power Monitors

Digital current and power monitors to measure and analyze energy consumption, also performing communication with microcontrollers

Featured Products

TSZ181 and TSZ182: 3 MHz chopper operational amplifiers for high-accuracy signal conditioning

Dual precision op amps with an excellent speed/power consumption ratio

TSU11 series: nanopower (900 nA), high-accuracy (150 µV) op amps

Enables longer battery life

Micropower comparators combining very low current consumption and outstanding robustness

Featured Videos

Accelerate your circuit performance with ST’s high-speed 5 V comparators

Accelerate your circuit performance with ST’s high-speed 5 V comparators

Watch the video (0:34)

How eDSim can simplify op amps design

How eDSim can simplify op amps design

Watch the video (1 min 23)

TSC1641: Current voltage and power monitoring IC

TSC1641: Current voltage and power monitoring IC

Watch the video (1:30)

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Premium Content

Angular position sensing in harsh environments using rotary resolvers - On-demand webinar

Can we help you develop better power monitoring solutions? - On-demand webinar

Discover and test high-performance
op amps by using this Sample Kit

Current Sensing
Quick Reference Guide

Fast and powerful electrical simulation software for SMPS and analog ICs

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eDesignSuite

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.

Power Management Design Center

Thermal-electrical Simulators for Components

Signal Conditioning Design Tool

NFC/RFID Calculators

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Power Management Design Center

Power Supply Design Tool

• SMPS design, by topology, by type and by product

• PFC design with analog and digitial control

• Supports various PCB configurations

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DC/DC

AC/DC

Solar Battery Charger

Power Management Design Center

LED Lighting Design Tool

• Handles AC-DC and DC-DC design in common topologies

• Displays interactive and annotated schematic

• Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data

Choose type:

DC/DC

AC/DC

Power Management Design Center

Digital Power Workbench

• Provides a step-by-step optimized design of power section and control loop

• Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs

Power Management Design Center

Power Tree Designer

• Specify input/output power for each node in the tree

• Check for consistency

• Design each individual node

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Thermal-electrical Simulators for Components

AC Switches Simulator

• Select ratings and application waveforms

• Get junction temperature and blocking voltage graphs

• Search and sort suitable devices

Thermal-electrical Simulators for Components

Rectifier Diodes Simulator

• Select ratings and application waveforms

• Estimate power losses

• Search and sort suitable devices

Thermal-electrical Simulators for Components

STPOWER Studio

• Supports long mission profiles

• Provides power loss and temperature graphs

• Helps define heatsink thermal properties

Thermal-electrical Simulators for Components

Twister Sim

• Help select the right ViPOWER Automotive power device

• Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis

• Supports various PCB configurations

Thermal-electrical Simulators for Components

TVS Simulator

• Specify system ratings and surge waveform

• Search and sort suitable devices

Thermal-electrical Simulators for Components

Estimate

• Build simple schematics and firmware inputs in minutes

• Quickly generate reliable estimates of battery life, system power consumption and bill of materials costs

Thermal-electrical Simulators for Components

PCB Thermal Simulator

• Thermal analysis of a PCB from Gerber files.

• Possibility to add heat sources, heat sinks, copper areas and thermal paths.

• Powerful server-side engine for rendering and simulation.

• Thermal results shown graphically via 2D table.

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Signal Conditioning 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

Signal Conditioning Design Tool

Comparators

• Handles most common configurations

• Returns circuit components values

• Provides I/O signal waveforms

• Inverting, Non Inverting, Window

Signal Conditioning Design Tool

Low side Current Sensing

• Returns circuit component values

• Provides current error graphs

Signal Conditioning Design Tool

High side Current Sensing

• Provides current error graphs.

• Help to select the right High side current sensing and shunt devices.

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NFC/RFID Calculators

NFC Inductance

• Input geometry and substrate properties

• Get antenna impedance

NFC/RFID Calculators

UHF Link Budget

• Enter forward and reverse link characteristics

• The tool returns link budget estimate

NFC/RFID Calculators

NFC Tuning Circuit

• Enter antenna parameter and matching target

• Select the topology of the matching network

• The tool returns component values for the desired design targets

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All Product evaluation tools Amplifier and comparator eval boards (15) STM32 Nucleo expansion boards (1)

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