Overview
The ADUM1311ARWZ is a triple-channel digital isolator produced by Analog Devices Inc. This component combines high-speed CMOS and monolithic air core transformer technology, leveraging Analog Devices' iCoupler® technology. It offers superior performance characteristics compared to traditional optocoupler devices by eliminating concerns such as uncertain current transfer ratios, maximum operating temperature, and lifetime effects. The ADUM1311ARWZ is designed for high reliability and stability in various industrial and communication applications.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADUM1311ARWZ-RL |
| Package Type | 16-lead SOIC-W |
| Number of Channels | 3 |
| Maximum Data Rate | 1 Mbps |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Operating Temperature Range | -40°C to +105°C |
| Propagation Delay | 100 ns (max at 5V) |
| Pulse Width Distortion | 40 ns (max) |
| Common-Mode Transient Immunity | 25 kV/μs |
| Isolation Voltage | 3750 Vrms (1 minute per UL 1577) |
| RoHS Status | Yes |
Key Features
- High-Speed CMOS and Monolithic Air Core Transformer Technology: Provides superior performance compared to optocouplers.
- Bidirectional Communication: Supports bidirectional data transfer with Schmitt trigger inputs.
- Programmable Default Output State: Allows for customizable output states.
- High Common-Mode Transient Immunity: Offers immunity up to 25 kV/μs.
- Wide Operating Temperature Range: Operates from -40°C to +105°C.
- UL, CSA, and VDE Certifications: Meets various international safety standards.
Applications
- General-Purpose Multichannel Isolation: Suitable for isolating multiple digital signals in a single package.
- SPI Interface/Data Converter Isolation: Ideal for isolating SPI interfaces and data converters.
- RS-232/RS-422/RS-485 Transceiver Isolation: Used in serial communication interfaces to ensure signal integrity and isolation.
- Industrial Field Bus Isolation: Applies to various industrial field bus protocols requiring high-speed and reliable signal isolation.
Q & A
- What is the ADUM1311ARWZ used for?
The ADUM1311ARWZ is a triple-channel digital isolator used for isolating digital signals in various applications, including general-purpose multichannel isolation, SPI interfaces, and industrial field buses.
- What is the maximum data rate of the ADUM1311ARWZ?
The maximum data rate of the ADUM1311ARWZ is 1 Mbps.
- What is the operating temperature range of the ADUM1311ARWZ?
The operating temperature range is from -40°C to +105°C.
- What is the common-mode transient immunity of the ADUM1311ARWZ?
The common-mode transient immunity is up to 25 kV/μs.
- What certifications does the ADUM1311ARWZ hold?
The ADUM1311ARWZ holds certifications from UL, CSA, and VDE, and is RoHS compliant.
- What is the package type of the ADUM1311ARWZ?
The package type is a 16-lead SOIC-W.
- Can the ADUM1311ARWZ be used for bidirectional communication?
Yes, the ADUM1311ARWZ supports bidirectional communication with Schmitt trigger inputs.
- What is the isolation voltage of the ADUM1311ARWZ?
The isolation voltage is 3750 Vrms for 1 minute per UL 1577.
- Is the ADUM1311ARWZ RoHS compliant?
Yes, the ADUM1311ARWZ is RoHS compliant.
- What are some typical applications of the ADUM1311ARWZ?
Typical applications include general-purpose multichannel isolation, SPI interface/data converter isolation, and RS-232/RS-422/RS-485 transceiver isolation.
