Overview
The ADuM1100BRZ, produced by Analog Devices Inc., is a high-performance digital isolator based on the proprietary iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technology to provide superior isolation and data transfer characteristics compared to traditional optocoupler devices. The ADuM1100 is designed to operate over a wide voltage range from 3.0 V to 5.5 V, making it versatile for various applications. It supports data rates up to 100 Mbps and is known for its low power consumption and high common-mode transient immunity.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Input Supply Voltage (VDD1, VDD2) | 3.0 | - | 5.5 | V | - |
| Input Supply Current (Quiescent) | 0.1 | 0.3 | - | mA | VI = 0 V or VDD1 |
| Input Supply Current (25 Mbps) | 2.0 | 2.8 | - | mA | 12.5 MHz logic signal frequency |
| Output Supply Current (Quiescent) | 0.005 | 0.04 | - | mA | VI = 0 V or VDD1 |
| Output Supply Current (25 Mbps) | 0.3 | 0.7 | - | mA | 12.5 MHz logic signal frequency |
| Propagation Delay | - | - | <18 ns | - | - |
| Edge Asymmetry | - | - | <2 ns | - | - |
| Common-Mode Transient Immunity | - | - | >25 kV/μs | - | - |
| Maximum Operating Temperature | - | - | 125°C | - | - |
| Package Type | - | - | 8-lead SOIC_N | - | - |
Key Features
- High data rates: dc to 100 Mbps (NRZ)
- Compatible with 3.3 V and 5.0 V operation/level translation
- Low power operation: less than 0.9 mA of quiescent current (sum of both sides)
- Dynamic current less than 160 μA per Mbps of data rate
- High common-mode transient immunity: >25 kV/μs
- Safety and regulatory approvals: UL recognized 2500 V rms for 1 minute per UL 1577, CSA Component Acceptance Notice 5A, VDE Certificate of Conformity
- Patented refresh feature for dc correctness
- Operating temperature up to 125°C
- Propagation delay of <18 ns and edge asymmetry of <2 ns
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 ADuM1100BRZ used for?
The ADuM1100BRZ is a digital isolator used for applications requiring high-speed data isolation, such as digital field bus isolation, opto-isolator replacement, and microprocessor system interfaces.
- What are the supported data rates for the ADuM1100BRZ?
The ADuM1100BRZ supports data rates up to 100 Mbps.
- What is the operating voltage range for the ADuM1100BRZ?
The operating voltage range is from 3.0 V to 5.5 V.
- What is the maximum operating temperature for the ADuM1100BRZ?
The maximum operating temperature is 125°C.
- What is the propagation delay of the ADuM1100BRZ?
The propagation delay is less than 18 ns.
- What is the common-mode transient immunity of the ADuM1100BRZ?
The common-mode transient immunity is greater than 25 kV/μs.
- Does the ADuM1100BRZ 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.
- What package type is the ADuM1100BRZ available in?
The ADuM1100BRZ is available in an 8-lead SOIC_N package.
- How does the ADuM1100BRZ ensure dc correctness?
The ADuM1100BRZ ensures dc correctness with a patented refresh feature that continuously updates the output signal.
- What are the typical quiescent and dynamic current consumptions of the ADuM1100BRZ?
The quiescent current is less than 0.9 mA (sum of both sides), and the dynamic current is less than 160 μA per Mbps of data rate.
