• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer

Analog IC Tips

Analog IC Design, Products, Tools Layout

  • Products
    • Amplifiers
    • Clocks & Timing
    • Data Converters
    • EMI/RFI
    • Interface & Isolation
    • MEMS & Sensors
  • Applications
    • Audio
    • Automotive/Transportation
    • Industrial
    • IoT
    • Medical
    • Telecommunications
    • Wireless
  • Learn
    • eBooks / Tech Tips
    • FAQs
    • EE Learning Center
    • EE Training Days
    • Tech Toolboxes
    • Webinars & Digital Events
  • Resources
    • Design Guide Library
    • Digital Issues
    • Engineering Diversity & Inclusion
    • LEAP Awards
    • Podcasts
    • White Papers
    • DesignFast
  • Video
    • EE Videos
    • Teardown Videos
  • EE Forums
    • EDABoard.com
    • Electro-Tech-Online.com
  • Engineering Training Days
  • Advertise
  • Subscribe

Two-channel, high-speed op amps feature slew rates to 10V/µs

December 22, 2020 By Redding Traiger

ROHM announced the availability of a two-channel, high-speed, ground sense CMOS operational amplifier (op-amp), BD77502FVM, optimized for consumer and industrial equipment requiring high-speed sensings – such as industrial measurement and control systems.

The proliferation of the Internet of Things (IoT) in recent years has led to a significant increase in the number of electronic components used for advanced control in a variety of applications. This trend towards greater electronics density is leading to noisier environments, making it extremely difficult to implement designs with electromagnetic compatibility (EMC). Op-amps play a critical point role because they quickly amplify small signals (from sensors) in many detection systems that provide safety. In addition, printed circuit board design can be problematic for conventional op-amps that are susceptible to oscillation due to capacitive loads (i.e., from wiring).

To mitigate noise issues common with conventional op-amps, ROHM has developed the EMARMOUR series featuring superior noise-tolerant op-amps. The first groundbreaking member of the EMARMOUR family was the BD77501G single-channel, high-speed CMOS op-amp that leveraged the original Nano Cap technology to prevent oscillation caused by load capacitance. This product has been well received by engineers in a variety of fields and regions, and this two-channel version was developed to meet increasing market demands.

The newest BD77502FVM integrates two op-amp devices that prevent oscillation (i.e., due to wiring) while providing high-speed amplification with slew rates up to 10V/µs and breakthrough immunity to electromagnetic interference (EMI). The output voltage across the entire noise frequency band is limited to under ±20mV, which is 10x lower than a conventional op-amp. High-speed signal amplification is now achievable without being affected by external noise or load capacitance when used in devices that output small signals, such as sensors, thus improving reliability while simplifying circuit designs.

Application Examples include: Facility management equipment, such as abnormal current and gas detectors; Motors requiring high-speed control (signal transmission); Inverter control equipment; Pre-drive buffers for driving transistors; Other industrial and consumer applications requiring high-speed signal transmission and amplification without worrying about load capacitance

You may also like:

  • mmwave
    What is the 5G RF/mmWave signal chain?
  • Magnetic resonance imaging
    Magnetic resonance imaging (MRI), Part 1: how it works
  • RF power amplifier
    The RF power amplifier, part 1: functions
  • Class D Roundtable
    Class D audio, Gallium-Nitride versus Silicon – Virtual Roundtable (part…

  • Class D audio technology and applications – Virtual Roundtable (part…

  • Sound design considerations for Class D amps
  • class D amplifiers
    Class D audio – Why now?

Filed Under: Amplifiers, Consumer, Industrial, IoT, Tools Tagged With: rohm

Primary Sidebar

Featured Contributions

Design a circuit for ultra-low power sensor applications

Active baluns bridge the microwave and digital worlds

Managing design complexity and global collaboration with IP-centric design

PCB design best practices for ECAD/MCAD collaboration

Open RAN networks pass the time

More Featured Contributions

EE TECH TOOLBOX

“ee
Tech Toolbox: 5G Technology
This Tech Toolbox covers the basics of 5G technology plus a story about how engineers designed and built a prototype DSL router mostly from old cellphone parts. Download this first 5G/wired/wireless communications Tech Toolbox to learn more!

EE LEARNING CENTER

EE Learning Center
“analog
EXPAND YOUR KNOWLEDGE AND STAY CONNECTED
Get the latest info on technologies, tools and strategies for EE professionals.

EE ENGINEERING TRAINING DAYS

engineering

RSS Current EDABoard.com discussions

  • dc-dc converter in series
  • Right Half Plane Zero
  • Single ended measuring ports and balanced antenna
  • Thermal modelling of repetitive power pulse
  • Permittivity and Permealibility in CST

RSS Current Electro-Tech-Online.com Discussions

  • Is AI making embedded software developers more productive?
  • Can I make two inputs from one??
  • Kawai KDP 80 Electronic Piano Dead
  • Fun with AI and swordfish basic
  • Simple LED Analog Clock Idea
“bills

Design Fast

Component Selection Made Simple.

Try it Today
design fast globle

Footer

Analog IC Tips

EE WORLD ONLINE NETWORK

  • 5G Technology World
  • EE World Online
  • Engineers Garage
  • Battery Power Tips
  • Connector Tips
  • DesignFast
  • EDA Board Forums
  • Electro Tech Online Forums
  • EV Engineering
  • Microcontroller Tips
  • Power Electronic Tips
  • Sensor Tips
  • Test and Measurement Tips

ANALOG IC TIPS

  • Subscribe to our newsletter
  • Advertise with us
  • Contact us
  • About us

Copyright © 2025 · WTWH Media LLC and its licensors. All rights reserved.
The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of WTWH Media.

Privacy Policy