ADUM1201WSRZ33

Overview

The ADUM1201WSRZ33 is a dual-channel digital isolator from Analog Devices, utilizing iCoupler technology for galvanic isolation. It operates within a supply voltage range of 2.7 V to 5.5 V and supports data rates up to 25 Mb/s. The device features a propagation delay of 150 ns and offers an insulation voltage of 2500 Vrms. It is housed in an 8-lead SOIC package with a width of 3.90 mm. The component provides high common-mode transient immunity of 25 kV/µs and functions reliably across an extended temperature range from -40°C to +125°C.

Feature Summary

• Integrates monolithic transformer technology with CMOS logic for robust signal transmission without optical components.
• Provides bidirectional communication capabilities with automatic direction sensing for simplified circuit design.
• Supports 3 V and 5 V level translation between isolated domains to ensure compatibility with various logic families.

Applications

• Industrial automation systems requiring reliable signal isolation
• Medical equipment needing enhanced safety and regulatory compliance
• Automotive electronics demanding high temperature stability

Procurement Notes

Verify the specific suffix '33' against official Analog Devices documentation to confirm pinout or electrical variations. Ensure the selected packaging format matches production requirements. Confirm RoHS compliance status and moisture sensitivity level prior to assembly. Cross-reference the manufacturer part number with authorized distributor lists to avoid counterfeit components.

Selection Notes

Select this component when high-speed digital isolation is required in space-constrained designs. The narrow body SOIC package facilitates surface-mount assembly. Consider the power consumption characteristics at specific data rates during system planning. Evaluate the thermal performance within the specified operating temperature range for long-term reliability.

Part Context

This device belongs to the ADuM120x series of dual-channel digital isolators. The series leverages proprietary iCoupler technology to replace traditional optocouplers. It offers superior performance in terms of speed, power efficiency, and size reduction. The family includes variants with different data rates and packaging options to suit diverse application needs.

FAQ

What is the maximum data rate supported by the ADUM1201WSRZ33?

The device supports data rates up to 25 Mb/s using non-return-to-zero (NRZ) signaling.

Does the ADUM1201WSRZ33 support bidirectional communication?

Yes, the isolator features automatic direction sensing, enabling bidirectional communication on both channels.