The precision current sensing signal chains offer a wide range of accurate, robust, and industry-proven current measurement solutions that can be adopted in all environments to measure current in low, medium, or high power applications. They have been developed by combining extensive application-level knowledge with best-in-class current sensing technologies, enabling precise and robust measurement of DC and AC. These cover the most common industrial sensors such as shunt, Hall effect, and current transformers to address your specific measurement needs.
Coupled with Analog Devices’ unrivalled suite of design support tools, our precision current sensing signal chains provide a simplified design journey, allowing you to get to market quicker with a solution that generates superior insights within your end application.
Our technology combines precision amplifiers, voltage references, analog-to-digital converters, and isolation products, empowering designers to build a solution optimized for their most important parameters with confidence.
Learn how ADI’s precision current sensing signal chains can be applied to solve your most difficult current measurement challenges in applications as diverse as motor control inverters, DC-to-DC converters, valve/solenoid control, protective relays, AC-to-DC metering, and PV inverters.
Precision Current Sensing Signal Chains
Generic Signal Chains for Current Measurement
- Shunt: Common-Mode Voltage Level Up to:
- Contactless Sensing: Current Transformer
- Contactless Sensing: Hall 5 V Output
Current Measurement: Motor Control Inverter
Current Measurement: Grid Monitoring
Shunt: Common-Mode Voltage Level Up to 70 V
Optimized for bidirectional current measurements in the presence of PWM-type input common-mode voltages.
Shunt: Common-Mode Voltage Level Up to ±600 V
Optimized solution for highly robust, multichannel current measurement applications.
Difference Amplifier |
ADC |
Isolation |
Ref |
AD8479 |
AD7172-4 |
ADuM3471 |
ADR4550 |
Shunt: Common-Mode Voltage Level Up to ±1060 V
Optimized for measurement accuracy, with an isolation barrier for increased robustness and safety, offering a good balance between power consumption, size, and design complexity.
ADC |
ADuM7703 |
Contactless Sensing: Current Transformer
Optimized for isolated and robust precision current measurement with a CT sensor.
ADC |
Ref |
AD7606C-16 |
ADR4525 |
Contactless Sensing: Hall 5 V Output
Optimized for high precision and wide bandwidth Hall-based current measurement.
Resources
Video
Design Precision Robotics with Ease Using ADI's Signal Chains
AD7606C-18: 8-Channel DAS, 1 Msps Input, Simultaneous Sampling ADC
VT2302: AD7606 ADC Family and Software Tool Overview
Application Notes
Differential Overvoltage Protection Circuits for Current Sense Amplifiers
Technical Articles
High-Side Current Sensing: Difference Amplifier vs. Current-Sense Amplifier
Difference and Current Sense Amplifiers
Differential Overvoltage Protection Circuits for Current Sense Amplifiers
Next-Generation SAR ADC Addresses Pain Points of Precision Data Acquisition Signal Chain Design
Webcasts
How to Enhance High Precision Current Sensing Systems
Evaluation Boards
ADC |
ADuM7701 |
Shunt: Medium Precision and Performance
Optimized solution for bidirectional current measurements in the presence of PWM-type input common-mode voltages.
Amplifier |
ADC |
Ref |
AD8418A |
AD4683 |
ADR4533 |
High Power Current Transformer Sensor
Isolated and robust high voltage and high current simultaneous sampling measurement solution optimized for CT (current transformer) sensors.
Resources
Tools
Simulation
Webcasts
Technical Articles
Sigma Delta Conversion Used for Motor Control
High-Side Current Sensing: Difference Amplifier vs. Current-Sense Amplifier
Difference and Current Sense Amplifiers
Differential Overvoltage Protection Circuits for Current Sense Amplifiers
Video
Design Precision Robotics with Ease Using ADI's Signal Chains
Current Measurement: Grid Monitoring
Precision CT Measurement
Optimized for isolated and robust precision current measurement with CT (current transformer)-based current measurement and PT (potential transformer)-based measurement.
Precision DC Measurement
Optimized shunt solution for low drift and a 1% accurate shunt-based DC metering of both current and voltage.
Power Solutions
Resources
Tools
Simulation
AD7606 Family Software Model
(Download zip)
Video
Design Precision Robotics with Ease Using ADI's Signal Chains
Design Notes
Improving System-Level Performance and Robustness in Power Line Monitoring
Application Notes
Translating System Level Protection and Measurement Requirements to ADC Specifications
Migrating to the AD7606B from the AD7606
An EMC Robust PCB Design Based on the AD7606B ADC for Power Automated Applications
Webcasts
Application Areas

Industrial Automation
Industry 4.0 promises to deliver greater levels of flexibility and productivity to manufacturing and process control. When it comes to motion control, ADI is a trusted ally, providing advanced products and technologies, as well as the industrial expertise to turn them into system-level solutions.
- Motion Control
- Industrial Robotics
- Collaborative Robots

Energy Monitoring
ADI’s sensing, signal conversion, and signal processing technology powers energy infrastructure around the world. From microgrids and utilities to data centers and factories and more, ADI’s domain experts help you design intelligent, flexible, efficient systems to help reach your business goals.
- Protective Relays
- DC Metering
- PV Inverter

Electronic Test and Measurement
Advances in wireless communication technology, autonomous vehicles, energy storage, human machine interfaces, and cloud-connected sensors that help form the Internet of Things (IoT) are all driving the demand for faster and more precise measurement capabilities in smaller form factors. Our devices cover:
- Data Acquisition
- Precision Measurement
- Automated Test Equipment
Precision Current Sensing Signal Chain Support
Use ADI’s engineering community forum to find answers to common questions, access blogs, and submit your own unique questions about circuits and products to an ADI engineer. The Precision Current Sensing forum content is tailored to the unique challenges of designing current sensing signal chains that require precision and robustness with flexible sensor types.
