Overview
The ADUM1100AR is a high-speed digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler technology. This component combines high-speed CMOS and monolithic air core transformer technology to provide superior performance compared to traditional optocoupler devices. It is designed as a pin-compatible replacement for existing high-speed optocouplers and supports data rates up to 25 Mbps. The ADUM1100AR operates with supply voltages ranging from 3.0 V to 5.5 V and is compatible with temperatures up to 105°C, making it suitable for a variety of applications requiring high-speed data isolation.
Key Specifications
| Parameter | Min | Max | Unit | Description |
|---|---|---|---|---|
| Supply Voltages (VDD1, VDD2) | 3.0 | 5.5 | V | Operating supply voltage range |
| Maximum Operating Temperature | -40 | 105 | °C | Ambient operating temperature range |
| Data Rate | - | 25 | Mbps | Maximum supported data rate |
| Propagation Delay | - | 18 | ns | Maximum propagation delay |
| Edge Asymmetry | - | 2 | ns | Maximum edge asymmetry |
| Quiescent Current | - | 0.9 | mA | Sum of both sides at 3.3 V or 5 V operation |
| Dynamic Current per Mbps | - | 160 | μA | Dynamic current per Mbps of data rate |
| Package Type | - | - | - | 8-lead SOIC_N package (RoHS compliant version available) |
| Common-Mode Transient Immunity | - | >25 | kV/μs | High common-mode transient immunity |
| Safety and Regulatory Approvals | - | - | - | UL recognized 2500 V rms for 1 minute per UL 1577, CSA Component Acceptance Notice #5A, VDE Certificate of Conformity DIN V VDE V 0884-10 |
Key Features
- High Data Rate: Supports data rates up to 25 Mbps.
- Low Power Operation: Less than 0.9 mA of quiescent current and a dynamic current of less than 160 μA per Mbps of data rate.
- Compatibility with Multiple Voltages: Compatible with 3.3 V and 5.0 V operation and level translation.
- High Common-Mode Transient Immunity: Greater than 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 DIN V VDE V 0884-10.
- DC Correctness: Patented refresh feature that continuously updates the output signal to ensure dc correctness.
- Small Footprint: Standard 8-lead SOIC_N package.
Applications
- Digital Fieldbus Isolation: Suitable for isolating digital signals in fieldbus applications.
- Opto-Isolator Replacement: Designed as a pin-compatible replacement for existing high-speed optocouplers.
- Computer-Peripheral Interface: Used in interfaces between computers and peripherals.
- Microprocessor System Interface: Ideal for isolating signals in microprocessor systems.
- General Instrumentation and Data Acquisition: Applicable in various instrumentation and data acquisition systems.
Q & A
- What is the maximum data rate supported by the ADUM1100AR?
The ADUM1100AR supports data rates up to 25 Mbps.
- What are the operating supply voltage ranges for the ADUM1100AR?
The ADUM1100AR operates with supply voltages ranging from 3.0 V to 5.5 V.
- What is the maximum operating temperature for the ADUM1100AR?
The maximum operating temperature for the ADUM1100AR is 105°C.
- What is the propagation delay of the ADUM1100AR?
The propagation delay of the ADUM1100AR is less than 18 ns.
- What is the edge asymmetry of the ADUM1100AR?
The edge asymmetry of the ADUM1100AR is less than 2 ns.
- What is the quiescent current of the ADUM1100AR?
The quiescent current of the ADUM1100AR is less than 0.9 mA (sum of both sides).
- What is the dynamic current per Mbps of data rate for the ADUM1100AR?
The dynamic current per Mbps of data rate for the ADUM1100AR is less than 160 μA.
- What package type is the ADUM1100AR available in?
The ADUM1100AR is available in an 8-lead SOIC_N package.
- What safety and regulatory approvals does the ADUM1100AR have?
The ADUM1100AR has UL recognition of 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.
- What is the common-mode transient immunity of the ADUM1100AR?
The common-mode transient immunity of the ADUM1100AR is greater than 25 kV/μs.
