ADM3065EARMZ-R7

Overview

The ADM3065EARMZ-R7 is a half-duplex RS-485 transceiver manufactured by Analog Devices Inc. It supports data rates up to 50 Mbps and operates within a supply voltage range of 3.0 V to 5.5 V. The device features ±12 kV IEC contact discharge ESD protection on bus pins without latch-up or damage. It incorporates full receiver fail-safe capabilities for short-circuit, open circuit, and bus idle conditions. The component utilizes an 8-lead MSOP package and functions across an extended temperature range from -40°C to +125°C.

Feature Summary

• IEC 61000-4-2 compliant electrostatic discharge protection on bus pins
• Full hot swap support with glitch-free power-up and power-down
• Thermal shutdown circuitry prevents excessive power dissipation during fault conditions
• 1/4 unit load input impedance allows connection of up to 128 transceivers

Applications

• Industrial fieldbuses
• Process control systems
• Building automation networks
• PROFIBUS networks
• Motor control servo drives and encoders

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and reel specifications. Confirm that the procurement channel provides genuine components directly from Analog Devices Inc. or authorized distributors. Ensure the received part matches the exact model number to guarantee correct electrical characteristics and thermal performance.

Selection Notes

Select this component when high-speed bidirectional communication at 50 Mbps is required over multipoint bus transmission lines. It is suitable for applications demanding robust ESD protection and operation in harsh industrial environments. Consider the 8-lead MSOP package for space-constrained designs requiring surface-mount assembly.

Part Context

This device belongs to the ADM306xE family of RS-485 transceivers designed for high-speed data communication. The series includes variants with different data rates and duplex modes. The ADM3065E specifically targets half-duplex applications requiring 50 Mbps throughput while maintaining compatibility with standard RS-485 interface protocols.

Replacement Considerations

ADM3065EBRMZ-R7 (SOIC-8 package variant)

FAQ

Does the ADM3065E support PROFIBUS?

Yes, the ADM3065E is fully compliant with the PROFIBUS standard when the supply voltage is greater than or equal to 4.5 V.

What happens if the driver output is shorted?

A thermal shutdown circuit detects significant temperature increases caused by output shorting and forces the driver output into a high impedance state to prevent damage.

How many transceivers can be connected to the bus?

The 1/4 unit load input impedance allows up to 128 transceivers to be connected onto a single bus.