Overview
The ADUM1411BRWZ is a quad-channel digital isolator produced by Analog Devices Inc. It utilizes the company's iCoupler technology, which combines high-speed CMOS and monolithic air core transformer technologies to provide superior performance characteristics compared to traditional optocouplers. This device is designed to eliminate the design difficulties associated with optocouplers, such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects. The ADUM1411BRWZ offers high-speed data transfer, low power consumption, and robust isolation, making it suitable for a variety of applications requiring reliable and efficient signal isolation.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Number of Channels | 4 | - | - | - | Quad-channel digital isolator |
| Data Rate | - | - | 10 Mbps | Mbps | Maximum data rate |
| Supply Voltage | 3 V | - | 5 V | V | Operates at 3 V and 5 V levels |
| Supply Current (3 V, 0-2 Mbps) | 0.8 mA | - | 1.8 mA | mA | Per channel |
| Supply Current (5 V, 0-2 Mbps) | 1.3 mA | - | 2.6 mA | mA | Per channel |
| Propagation Delay | 20 ns | 65 ns | 100 ns | ns | CL = 15 pF, CMOS signal levels |
| Isolation Voltage | - | - | 3750 Vrms | Vrms | UL recognition for 1 minute per UL 1577 |
| Package Type | - | - | - | - | 16-lead SOIC wide body package, RoHS compliant |
Key Features
- Low Power Operation: Low current consumption, with 0.8 mA per channel at 3 V and 1.3 mA per channel at 5 V for data rates up to 2 Mbps.
- High-Speed Data Transfer: Supports data rates up to 10 Mbps.
- Level Translation: Capable of 3 V/5 V level translation, making it versatile for different voltage systems.
- High Temperature Operation: Operates up to 105°C, ensuring reliability in harsh environments.
- Programmable Default Output State: Allows for customization of the output state in case of input loss or failure.
- High Common-Mode Transient Immunity: >25 kV/µs, providing robust protection against transient voltages.
- Safety and Regulatory Approvals: UL recognition, CSA Component Acceptance Notice, VDE certificate of conformity, and TÜV approval.
Applications
- General-Purpose Multichannel Isolation: Suitable for various isolation needs in industrial, medical, and automotive applications.
- SPI Interface/Data Converter Isolation: Ideal for isolating SPI interfaces and data converters to ensure signal integrity and safety.
- RS-232/RS-422/RS-485 Transceivers: Used in serial communication systems to provide reliable isolation and signal protection.
Q & A
- What is the ADUM1411BRWZ used for?
The ADUM1411BRWZ is a quad-channel digital isolator used for isolating digital signals in various applications, including general-purpose multichannel isolation, SPI interfaces, and serial communication systems.
- What is the maximum data rate of the ADUM1411BRWZ?
The maximum data rate of the ADUM1411BRWZ is 10 Mbps.
- What are the operating voltage ranges for the ADUM1411BRWZ?
The ADUM1411BRWZ operates at both 3 V and 5 V levels.
- What is the isolation voltage rating of the ADUM1411BRWZ?
The ADUM1411BRWZ has an isolation voltage rating of 3750 Vrms.
- What package type is the ADUM1411BRWZ available in?
The ADUM1411BRWZ is available in a 16-lead SOIC wide body package and is RoHS compliant.
- What are the key safety and regulatory approvals for the ADUM1411BRWZ?
The ADUM1411BRWZ has UL recognition, CSA Component Acceptance Notice, VDE certificate of conformity, and TÜV approval.
- How does the ADUM1411BRWZ handle high temperature operation?
The ADUM1411BRWZ operates up to 105°C, ensuring reliability in harsh environments.
- What is the propagation delay of the ADUM1411BRWZ?
The propagation delay of the ADUM1411BRWZ is between 20 ns and 100 ns, depending on the test conditions.
- Does the ADUM1411BRWZ support level translation?
Yes, the ADUM1411BRWZ supports 3 V/5 V level translation.
- How does the ADUM1411BRWZ ensure dc correctness and magnetic field immunity?
The ADUM1411BRWZ uses a decoder and watchdog timer to ensure dc correctness and has a high margin against induced voltages from magnetic fields.
