AD202KN Precision Isolation Amplifier: Ensure Safety and Accuracy in Harsh Environments

In industrial automation, medical instrumentation, and power systems, high voltages, transient noise, and ground loops pose serious risks to equipment and personnel, while also distorting critical measurement data. The AD202KN Isolation Amplifier from Analog Technologies Inc. is the definitive solution, creating a robust barrier between input and output to ensure signal integrity, operational safety, and high precision.

Why Your System Needs Isolation: The Core Value of the AD202KN

The AD202KN is a transformer-coupled isolation amplifier module. It is more than just an amplifier; it's a complete isolated signal conditioning system designed to extract low-level analog signals from the most electrically hostile environments.

Key Features and Benefits:

• Superior Safety Isolation: Provides up to 7500Vrms of continuous electrical isolation (1 minute, @5mA), effectively blocking high common-mode voltages and suppressing ground loop noise to protect sensitive downstream circuitry and operators.
• High Accuracy & Linearity: Features exceptionally low non-linearity (±0.025% max), ensuring signals are transmitted across the isolation barrier without distortion for reliable and accurate data.
• Integrated Signal Conditioning: Includes a user-accessible, uncommitted op-amp for easy gain setting (1V/V to 100V/V), making it simple to interface with various sensors (shunt resistors, thermocouples, strain gauges).
• Wide Bandwidth: A 5kHz bandwidth accurately tracks dynamic signals, meeting the requirements for most industrial process control and data acquisition applications.
• Excellent Stability: Maintains very low gain and null drift over a wide temperature range (-25°C to +85°C) and during long-term operation, ensuring performance in demanding industrial environments.
• Simplified Design: As a fully realized modular solution, it eliminates the need to design complex discrete isolation circuits, significantly reducing development time and increasing overall system reliability.

Typical Applications for the AD202KN

This versatile isolation amplifier is the ideal choice for:

• Industrial Automation & Control: Motor drive current sensing, PLC analog input modules, isolated sensor interfaces.
• Medical Electronics: Patient monitoring equipment (ECG, EEG), ensuring compliance with stringent safety isolation standards (IEC 60601).
• Power Systems & Instrumentation: Power inverter monitoring, ground loop elimination, data acquisition in high-voltage environments.
• Test and Measurement: Isolating sensitive measurement equipment from high-voltage units under test (UUT).

The Value of a Modular Solution: AD202KN vs. Discrete Designs

Designing a reliable, high-voltage isolation circuit from scratch with discrete components is complex, time-consuming, and requires rigorous safety validation. The AD202KN module offers:

• Faster Time-to-Market: A proven, pre-engineered solution that is ready to integrate into your design.
• Guaranteed Performance and Safety: Comes with certified isolation characteristics and tested performance parameters.
• Reduced Total Cost: Lowers engineering design time, component sourcing, and validation costs.

Get Technical Information and Support Today

If your next project requires safe, accurate, and reliable signal acquisition in the presence of high voltages and noise, the AD202KN is the superior choice.

>>> Click to Download the Complete AD202KN Datasheet (PDF) <<<

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