Overview
The ADUM1100URZ is a high-performance digital isolator from Analog Devices Inc., based on their proprietary iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technology to provide superior isolation and data transfer capabilities. It is designed as a pin-compatible replacement for high-speed optocouplers, offering significant improvements in terms of speed, power consumption, and reliability. The ADUM1100URZ supports data rates up to 100 Mbps and operates over a wide voltage supply range of 3.0 V to 5.5 V, making it versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Data Rate | Up to 100 Mbps |
| Isolation Voltage | 2500 Vrms for 1 minute per UL 1577 |
| Common-Mode Transient Immunity (CMTI) | >25 kV/μs |
| Propagation Delay | <18 ns |
| Edge Asymmetry | <2 ns |
| Operating Temperature | Up to 125°C |
| Package Type | 8-lead SOIC_N (RoHS compliant) |
| Quiescent Current | <0.9 mA (sum of both sides) |
| Dynamic Current | <160 μA per Mbps of data rate |
Key Features
- High-speed data transfer up to 100 Mbps
- Low power consumption with quiescent current less than 0.9 mA and dynamic current less than 160 μA per Mbps
- High common-mode transient immunity (>25 kV/μs)
- Patented refresh feature for dc correctness
- Operating voltage range of 3.0 V to 5.5 V
- Compatibility with temperatures up to 125°C
- RoHS compliant 8-lead SOIC_N package
Applications
- Digital field bus isolation
- Opto-isolator replacement
- Computer peripheral interface
- Microprocessor system interface
- General instrumentation and data acquisition applications
Q & A
- What is the maximum data rate supported by the ADUM1100URZ?
The ADUM1100URZ supports data rates up to 100 Mbps.
- What is the isolation voltage of the ADUM1100URZ?
The isolation voltage is 2500 Vrms for 1 minute per UL 1577.
- What is the common-mode transient immunity (CMTI) of the ADUM1100URZ?
The CMTI is greater than 25 kV/μs.
- What is the propagation delay of the ADUM1100URZ?
The propagation delay is less than 18 ns.
- What is the operating temperature range of the ADUM1100URZ?
The operating temperature range is up to 125°C.
- What package type is the ADUM1100URZ available in?
The ADUM1100URZ is available in an 8-lead SOIC_N package (RoHS compliant).
- What is the quiescent current of the ADUM1100URZ?
The quiescent current is less than 0.9 mA (sum of both sides).
- What are some common applications of the ADUM1100URZ?
Common applications include digital field bus isolation, opto-isolator replacement, computer peripheral interface, microprocessor system interface, and general instrumentation and data acquisition applications.
- Does the ADUM1100URZ have any safety and regulatory approvals?
Yes, it has UL recognized 2500 V rms for 1 minute per UL 1577, CSA Component Acceptance Notice 5A, and VDE Certificate of Conformity DIN V VDE V 0884-10:2006-12.
- What is the patented feature that ensures dc correctness in the ADUM1100URZ?
The patented refresh feature continuously updates the output signal to ensure dc correctness.
