ADN4622BRNZ

Overview

The ADN4622BRNZ is a quad-channel, signal-isolated low voltage differential signaling (LVDS) buffer manufactured by Analog Devices Inc. It operates at data rates up to 2.5 Gbps with very low jitter. The device integrates iCoupler technology, combining capacitive and magnetic coupling for isolation. Key electrical parameters include an insulation voltage of 5700 Vrms, a propagation delay of 2.15 ns, and rise/fall times of 180 ps. It functions within a supply voltage range of 1.7 V to 3.6 V, drawing 116 mA of operating current. The component supports a wide operating temperature range from -40°C to +125°C and is housed in a 28-pin SOIC package.

Feature Summary

• Integrates iCoupler technology for combined capacitive and magnetic coupling isolation
• Provides four independent LVDS channels for high-speed signal buffering
• Operates at data rates up to 2.5 Gbps with minimal jitter
• Supports dual power domains with wide input voltage flexibility

Applications

• High-speed digital isolation in industrial communication systems
• Signal buffering for LVDS interfaces in medical equipment
• Isolation barriers in automotive electronic control units
• Data acquisition systems requiring high common-mode transient immunity

Procurement Notes

Verify the specific suffix (e.g., BRNZ vs. BRLNZ) against the official datasheet to ensure correct packaging and tape-and-reel specifications. Confirm that the required isolation voltage rating meets system safety standards. Check for availability constraints as distribution status may vary by region. Ensure the selected variant matches the desired pinout and thermal performance requirements for the target application environment.

Selection Notes

Select this component when designing circuits requiring robust isolation between LVDS sources and receivers. Consider the 5700 Vrms insulation rating for safety-critical applications. Evaluate the 2.15 ns propagation delay for timing-sensitive designs. Ensure the power supply rails align with the specified 1.7 V to 3.6 V range. Verify that the SOIC-28 package fits the PCB layout constraints and thermal management strategy.

Part Context

The ADN4622 belongs to the ADN4622/ADN4624 family of quad-channel LVDS isolators. These devices are designed to replace traditional optocouplers in high-speed applications. They offer superior performance in terms of speed, power consumption, and size. The family utilizes Analog Devices' proprietary iCoupler technology to provide reliable signal transmission across isolation barriers without the limitations of optical components.

Replacement Considerations

Check for direct substitutes within the ADN4624 series if channel configuration differs. Verify compatibility with alternative LVDS isolators from other manufacturers regarding pinout and voltage levels. Ensure any replacement maintains the required 2.5 Gbps data rate and isolation voltage specifications.