ADM3053BRWZ-REEL7

Overview

The ADM3053BRWZ-REEL7 is an isolated CAN transceiver with an integrated isoPower DC-to-DC converter. It complies with the ISO 11898 standard and supports data rates up to 1 Mbps. The device operates on a single 5 V supply for VCC, while VIO supports 3.3 V or 5 V logic levels. It provides 2.5 kVrms signal and power isolation using iCoupler technology within a 20-lead wide-body SOIC package. Key electrical parameters include a common-mode transient immunity greater than 25 kV/µs, propagation delays of 90 ns (on) and 120 ns (off), and an operating temperature range from -40°C to +85°C.

Feature Summary

• Integrates a 2-channel isolator, CAN transceiver, and isoPower DC-to-DC converter in a single package.
• Provides fully isolated interface between CAN protocol controller and physical layer bus.
• Features slope control capability to reduce electromagnetic interference (EMI).
• Includes thermal shutdown protection and current limiting against output short circuits.

Applications

• CAN data buses
• Industrial field networks

Procurement Notes

Verify the REEL7 suffix indicates tape-and-reel packaging when sourcing. Confirm the component matches the Rev F datasheet specifications. Ensure the supplier provides traceability documentation for the Analog Devices Inc. manufacturer part number. Check for any specific handling requirements related to ESD sensitivity during assembly.

Selection Notes

Select this component when a fully isolated CAN solution is required without external magnetics. It is suitable for systems needing 2.5 kVrms isolation and high-speed communication up to 1 Mbps. Consider the 20-lead SOIC footprint and industrial temperature range (-40°C to +85°C) for environmental compatibility. Verify that the integrated DC-DC converter meets the isolated power requirements for the secondary side.

Part Context

The ADM3053 belongs to Analog Devices' IsoPower and iCoupler product families. It utilizes chip-scale transformer windings for magnetic signal coupling and power transfer. This integration eliminates the need for separate digital isolators and isolated power supplies, simplifying the design of robust CAN interfaces.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Engineering teams should consult official Analog Devices documentation for qualified alternatives or cross-reference options based on specific isolation voltage and pinout requirements.

FAQ

How is the RS pin used for operation mode selection?

Connecting the RS pin directly to GND2 selects high-speed mode for maximum data rate. Connecting it via a resistor to ground enables slope control mode to reduce EMI.

What happens if the device reaches excessive temperatures?

Thermal shutdown circuitry disables the driver outputs when the die temperature reaches 150°C. The drivers re-enable automatically once the temperature cools to 140°C.

Can unpowered nodes disturb the bus?

No, the ADM3053 is designed such that unpowered nodes do not disturb the CAN bus, ensuring system stability during power transitions.