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OPA544

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High-Current (4A Typ), High-Voltage, Operational Amplifier

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High-Current (4A Typ), High-Voltage, Operational Amplifier

OPA544

ACTIVE
Data sheet Order now

Product details

Parameters

Number of channels (#) 1 Total supply voltage (Min) (+5V=5, +/-5V=10) 20 Total supply voltage (Max) (+5V=5, +/-5V=10) 70 Output current (Typ) (mA) 4000 GBW (Typ) (MHz) 1.4 Slew rate (Typ) (V/us) 8 Vos (offset voltage @ 25 C) (Max) (mV) 5 Offset drift (Typ) (uV/C) 10 Iq per channel (Typ) (mA) 12 Features — Rating Catalog Operating temperature range (C) -40 to 85 Input bias current (Max) (pA) 100 CMRR (Typ) (dB) 106 Rail-to-rail No Architecture FET open-in-new Find other Power op amps

Package | Pins | Size

TO-220 (KC) 5 86 mm² 10.2 x 8.7 TO-263 (KTT) 5 155 mm² 10.16 x 15.24 open-in-new Find other Power op amps

Features

  • HIGH OUTPUT CURRENT: 2A min
  • WIDE POWER SUPPLY RANGE: ±10 to ±35V
  • SLEW RATE: 8V/µs
  • INTERNAL CURRENT LIMIT
  • THERMAL SHUTDOWN PROTECTION
  • FET INPUT: IB = 100pA max
  • 5-LEAD TO-220 PLASTIC PACKAGE
  • 5-LEAD SURFACE MOUNT PACKAGE
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Description

The OPA544 is a high-voltage/high-current operational amplifier suitable for driving a wide variety of high power loads. High performance FET op amp circuitry and high power output stage are combined on a single monolithic chip.

The OPA544 is protected by internal current limit and thermal shutdown circuits.

The OPA544 is available in industry-standard 5-lead TO-220 and 5-lead surface-mount power packages. Its copper tab allows easy mounting to a heat sink for excellent thermal performance. It is specified for operation over the extended industrial temperature range, -40°C to +85°C.

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Technical documentation

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No results found. Please clear your search and try again. View all 10
Type Title Date
* Datasheet High-Voltage, High-Current Operational Amplifier datasheet Sep. 27, 2000
Technical articles How to lay out a PCB for high-performance, low-side current-sensing designs Feb. 06, 2018
Technical articles Low-side current sensing for high-performance cost-sensitive applications Jan. 22, 2018
Technical articles Voltage and current sensing in HEV/EV applications Nov. 22, 2017
Technical articles Unique active mux capability combines buffer and switch into one solution Oct. 10, 2017
More literature The Signal e-book: A compendium of blog posts on op amp design topics Mar. 28, 2017
Application notes Building your own Battery Simulator Oct. 14, 2013
Application notes MTTF, Failrate, Reliability, and Life Testing Oct. 04, 2000
Application notes DC MOTOR SPEED CONTROLLER: Control a DC Motor without Tachometer Feedback Sep. 27, 2000
Application notes Power Amplifier Stress and Power Handling Limitations Sep. 27, 2000

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
Description

The Universal OPAMPEVM is a series of general purpose blank circuit boards that simplify prototyping circuits for a variety of IC package types. The evaluation module board design allows many different circuits to be constructed easily and quickly. Five models are offered with each targeted for (...)

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Design tools & simulation

SIMULATION MODELS Download
SBOC112C.TSC (309 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SBOM086B.ZIP (14 KB) - PSpice Model
SIMULATION MODELS Download
SBOM189B.ZIP (10 KB) - TINA-TI Spice Model
SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI — TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide
CALCULATION TOOLS Download
Analog engineer's calculator
ANALOG-ENGINEER-CALC — 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 (...)
Features
  • Expedites circuit design with analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
    • Noise calculations
    • Common unit translation
  • Solves common amplifier circuit design problems
    • Gain selections using standard resistors
    • Filter configurations
    • Total noise for common amplifier configurations
  • (...)
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CAD/CAE symbols

Package Pins Download
DDPAK/TO-263 (KTT) 5 View options
TO-220 (KC) 5 View options

Ordering & quality

Support & training

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Training series

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Videos

Operational Amplifiers (Op Amp) Technology Overview

Learn how to effectively choose & implement the most suitable operational amplifiers for your application

Posted: 10-Jan-2018
Duration: 34:28

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