Overview
The ADUM1311BRWZ is a triple-channel digital isolator produced by Analog Devices, Inc. This component utilizes Analog Devices' iCoupler® technology, which combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to traditional optocoupler devices. The ADUM1311BRWZ is designed to offer reliable and high-speed data transfer across isolation barriers, making it suitable for a variety of applications requiring signal isolation.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Number of Channels | 3 | ||
| Voltage - Supply | 2.7 V to 5.5 V | V | |
| Voltage - Isolation | 2500 Vrms | Vrms | |
| Data Rate | Up to 10 Mbps | bps | BRWZ Grade Only |
| Propagation Delay | 20 ns to 100 ns | ns | CL = 15 pF, CMOS signal levels |
| Output Type | Logic | ||
| Package | 16-SOIC W | ||
| Logic High Input Threshold | 2.0 V | V | |
| Logic Low Input Threshold | 0.8 V | V | |
| Logic High Output Voltages | 4.8 V to 5.0 V | V | IOx = -20 µA, VIx = VIxH |
| Logic Low Output Voltages | 0.0 V to 0.1 V | V | IOx = 20 µA, VIx = VIxL |
Key Features
- Bidirectional Communication: Allows for data transfer in both directions across the isolation barrier.
- 3 V/5 V Level Translation: Supports voltage translation between 3 V and 5 V systems.
- Schmitt Trigger Inputs: Provides hysteresis to improve noise immunity.
- High Temperature Operation: Operates up to 105°C, making it suitable for high-temperature environments.
- ESD Protection: Built-in ESD protection enhances component reliability.
Applications
- General-purpose Multichannel Isolation: Ideal for isolating multiple digital signals in various applications.
- SPI Interface/Data Converter Isolation: Suitable for isolating SPI interfaces and data converters.
- RS-232/RS-422/RS-485 Transceiver Isolation: Used in serial communication systems to ensure signal integrity and isolation.
- Industrial Field Bus Isolation: Applicable in industrial field bus systems for reliable and isolated data transmission.
Q & A
- Q: What is the ADUM1311BRWZ used for?
A: The ADUM1311BRWZ is a triple-channel digital isolator used for isolating digital signals in various applications, including general-purpose multichannel isolation, SPI interface/data converter isolation, and industrial field bus systems.
- Q: What is the maximum data rate of the ADUM1311BRWZ?
A: The maximum data rate of the ADUM1311BRWZ is up to 10 Mbps, specifically for the BRWZ grade.
- Q: What is the propagation delay of the ADUM1311BRWZ?
A: The propagation delay of the ADUM1311BRWZ ranges from 20 ns to 100 ns, depending on the load conditions (CL = 15 pF, CMOS signal levels).
- Q: What is the supply voltage range for the ADUM1311BRWZ?
A: The supply voltage range for the ADUM1311BRWZ is from 2.7 V to 5.5 V.
- Q: What is the isolation voltage of the ADUM1311BRWZ?
A: The ADUM1311BRWZ provides an isolation voltage of 2500 Vrms.
- Q: What package type is the ADUM1311BRWZ available in?
A: The ADUM1311BRWZ is available in a 16-SOIC W package.
- Q: Does the ADUM1311BRWZ support 3 V/5 V level translation?
A: Yes, the ADUM1311BRWZ supports 3 V/5 V level translation.
- Q: What is the maximum operating temperature of the ADUM1311BRWZ?
A: The ADUM1311BRWZ can operate up to a maximum temperature of 105°C.
- Q: Does the ADUM1311BRWZ have built-in ESD protection?
A: Yes, the ADUM1311BRWZ has built-in ESD protection.
- Q: What is the warranty period for the ADUM1311BRWZ from Ovaga?
A: Ovaga offers a 1-year warranty for the ADUM1311BRWZ, covering any defects in materials and workmanship under normal use.
- Q: How does Ovaga ensure the authenticity of the ADUM1311BRWZ?
A: Ovaga ensures the authenticity of the ADUM1311BRWZ by rigorously testing and verifying the credentials of original Analog Devices, Inc. manufacturers and authorized agents.
