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ADUM1445ARQZ-RL7

ADUM1445ARQZ-RL7 Description

The ADUM1445ARQZ-RL7 from Analog Devices Inc. is a high-performance, quad-channel digital isolator leveraging magnetic coupling (iCoupler®) technology. Designed for general-purpose isolation, it provides 2500Vrms of reinforced isolation, ensuring robust protection in high-voltage environments. Operating from 2.25V to 3.6V, this device supports 2Mbps data rates with minimal propagation delay (180ns max) and low pulse width distortion (8ns max). Its unidirectional channels (4 inputs, 0 outputs) make it ideal for signal isolation in systems requiring reliable noise immunity (25kV/µs CMTI). Packaged in a 16-lead QSOP and available in tape & reel (TR), it suits automated assembly.

ADUM1445ARQZ-RL7 Features

• High Isolation: 2500Vrms meets stringent safety standards for industrial and medical applications.
• Fast Switching: 2ns rise/fall time ensures minimal signal degradation in high-speed circuits.
• Robust Noise Immunity: 25kV/µs common-mode transient immunity (CMTI) rejects noise in noisy environments.
• Low Power: Operates down to 2.25V, ideal for battery-powered or energy-efficient designs.
• Compact & Reliable: 16QSOP package with MSL 1 (unlimited) rating ensures long-term reliability.
• Compliance: RoHS3 and REACH unaffected, with ECCN EAR99 for global deployment.

ADUM1445ARQZ-RL7 Applications

• Industrial Automation: Isolate PLCs, motor drives, and sensors in high-noise factory settings.
• Medical Equipment: Ensure patient safety in isolated data acquisition (e.g., patient monitors).
• Power Supplies: Isolate feedback loops in SMPS or inverters for enhanced safety.
• Communication Interfaces: Protect low-voltage microcontrollers from high-voltage transients in RS-485/CAN systems.

Conclusion of ADUM1445ARQZ-RL7

The ADUM1445ARQZ-RL7 excels in applications demanding high isolation, speed, and noise immunity. Its iCoupler® technology eliminates optocoupler limitations (e.g., LED degradation), while the compact QSOP package saves board space. With Analog Devices' proven reliability, this isolator is a top choice for engineers designing robust, safety-critical systems.