09/04/2026
Manufacturer Part Number
AD215BY
Manufacturer
Analog Devices
Introduction
AD215BY is an isolation amplifier designed for precision analog signal transfer across an isolation barrier. It is intended for systems that need electrical isolation between input and output stages while maintaining accurate analog signal conditioning, making it suitable for industrial measurement, medical electronics, and high-voltage monitoring applications.
Product Features and Performance
Isolation amplifier architecture for safe analog signal transfer across isolated domains
Single amplifier channel for one isolated analog signal path
Slew rate 6 V/µs for moderate-speed analog response
-3 dB bandwidth 120 kHz for low- to medium-frequency signal conditioning
Input bias current 300 pA for reduced loading on source circuits
Input offset voltage 400 µV for precision signal measurement
Supply current 40 mA
Output current capability 5 mA per channel
Wide total supply span from 28.5 V to 34 V
Designed for accurate isolated amplification in mixed-voltage environments
Suitable for continuous analog monitoring and conditioning
Through-hole SIP package for secure board mounting and isolation spacing
Stable analog performance across industrial temperature range
Useful for signal isolation where direct electrical connection is not acceptable
Product Advantages
Provides galvanic isolation for sensitive analog measurement paths
Helps protect low-voltage control electronics from high common-mode voltages
Reduces ground-loop problems in measurement systems
Precision analog performance supports instrumentation and process monitoring
Very low input bias current helps with high-impedance sensor interfaces
Through-hole SIP package supports robust industrial assembly and creepage spacing
Analog Devices isolation amplifier design offers proven field use in legacy systems
Key Technical Parameters
Amplifier type isolation amplifier
Number of circuits 1
Slew rate 6 V/µs
Bandwidth -3 dB 120 kHz
Input bias current 300 pA
Input offset voltage 400 µV
Supply current 40 mA
Output current 5 mA
Supply span minimum 28.5 V
Supply span maximum 34 V
Operating temperature -40 °C to +85 °C
Mounting type through hole
Package 12-SIP
Package / case 44-SIP, 12 leads, offset leads
Base product family AD215
Quality and Safety Features
Electrical isolation improves operator and equipment safety in high-voltage signal environments
Helps prevent direct fault coupling between measurement side and system side
Designed for stable operation across industrial temperature range
Precision offset and low bias characteristics support reliable analog measurement accuracy
Suitable for systems requiring analog isolation in noisy electrical environments
Compatibility
Compatible with industrial analog front ends and signal conditioning chains
Suitable for isolated sensor interfaces and process control measurement inputs
Can be used with legacy instrumentation systems designed around SIP isolation amplifiers
Compatible with through-hole PCB layouts requiring isolated analog signal paths
Useful in systems where isolated amplification is preferred over discrete opto-isolated analog approaches
Application Areas
Industrial process control
High-voltage measurement systems
Data acquisition equipment
Medical instrumentation
Test and measurement equipment
Motor drive feedback isolation
Power system monitoring
Legacy industrial analog control systems
Product Lifecycle
Part status obsolete
Not recommended for new designs
Main use case is maintenance, repair, and long-life support of existing equipment
Replacement or upgrade should be evaluated using newer isolation amplifiers or isolated data-conversion solutions from current Analog Devices product families
Migration may require redesign because package style, supply requirements, and performance architecture can differ from newer parts
Several Key Reasons to Choose This Product
Provides true analog isolation for precision measurement paths
Low input bias current and low offset support accurate signal conditioning
120 kHz bandwidth is suitable for many instrumentation and control signals
Wide industrial temperature range supports harsh operating environments
Useful for maintaining legacy systems already qualified with AD215BY
Through-hole SIP package supports robust mounting and isolation spacing
Proven Analog Devices isolation amplifier architecture for established designs