AD261AND-5

Overview

The AD261AND-5 is a high-speed digital isolator manufactured by Analog Devices Inc. It features five forward channels and one reverse channel, providing robust isolation for digital control signals. The device operates with a supply voltage range of 1.7 V to 5.5 V and supports data rates up to 150 Mb/s. Key electrical parameters include an insulation voltage of 5000 Vrms, a propagation delay of 7.2 ns, and a pulse width distortion of 500 ps. It functions within a temperature range of -40°C to +125°C and consumes 17.3 mA of operating current.

Feature Summary

• Provides galvanic isolation between microcontrollers and field I/O components using magnetic coupling technology.
• Supports unidirectional signal transmission with dedicated forward and reverse channel configurations.
• Ensures high-speed data integrity with low propagation delay and minimal pulse width distortion.

Applications

• Isolating digital control signals in industrial automation systems
• Connecting microcontrollers to related field I/O components
• High-voltage interface applications requiring robust signal isolation

Procurement Notes

Verify the specific suffix AND-5 against official Analog Devices documentation to confirm pinout and package configuration. Ensure compatibility with system voltage requirements and thermal management needs. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Confirm that the SOIC-16 package meets your PCB layout constraints.

Selection Notes

Select this component when high-speed digital isolation is required between logic domains. Consider the 5000 Vrms insulation rating for safety-critical applications. Evaluate the 1.7 V to 5.5 V supply range for compatibility with various logic families. Assess the 150 Mb/s data rate capability against system bandwidth requirements.

Part Context

The AD261 series belongs to Analog Devices' portfolio of digital isolators designed for robust signal transmission across isolation barriers. This specific model integrates multiple channels into a single package, reducing board space compared to discrete solutions. It utilizes proprietary magnetic coupling technology to achieve high reliability and low power consumption.

Replacement Considerations

Consult Analog Devices official substitution guides for compatible alternatives. Verify functional equivalence regarding channel count, insulation voltage, and data rate before replacing.