Overview
The ADUM2402BRWZ-RL is a quad-channel digital isolator produced by Analog Devices Inc., utilizing the company's patented iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to traditional optocoupler devices. It is designed to operate with supply voltages ranging from 2.7 V to 5.5 V, making it compatible with a variety of voltage systems and enabling voltage translation across the isolation barrier.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage Range | 2.7 V to 5.5 V | VDD1 or VDD2 |
| Total Supply Current (Four Channels) | 1.5 mA to 2.1 mA | DC to 1 MHz logic signal frequency |
| Total Supply Current (Four Channels) | 3.0 mA to 4.2 mA | 5 MHz logic signal frequency |
| Total Supply Current (Four Channels) | 44 mA to 62 mA | 90 Mbps (CRWZ Grade Only), 45 MHz logic signal frequency |
| Logic High Input Threshold | 2.0 V | VIH, VEH |
| Logic Low Input Threshold | 0.8 V | VIL, VEL |
| Propagation Delay | 50 ns to 70 ns | CL = 15 pF, CMOS signal levels |
| Pulse-Width Distortion | < 2 ns (CRWZ grade) | CL = 15 pF, CMOS signal levels |
| Maximum Data Rate | Up to 10 Mbps (BRWZ and CRWZ Grades Only) | CL = 15 pF, CMOS signal levels |
| Isolation Voltage | 5000 Vrms | |
| Common Mode Transient Immunity (CMTI) | 25 kV/μs |
Key Features
- High-Speed Operation: Supports data rates up to 10 Mbps for BRWZ and CRWZ grades and up to 90 Mbps for CRWZ grade only.
- Low Pulse Width Distortion: Less than 2 ns for CRWZ grade, ensuring minimal signal distortion.
- Tight Channel-to-Channel Matching: Less than 2 ns for CRWZ grade, ensuring consistent performance across channels.
- Voltage Translation: Compatible with supply voltages ranging from 2.7 V to 5.5 V, enabling voltage translation across the isolation barrier.
- Refresh Feature: Ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- High Isolation Voltage: 5000 Vrms isolation voltage and 25 kV/μs common mode transient immunity (CMTI).
Applications
- Automotive Interfaces: CAN, audio, Ethernet.
- Industrial I/O: Various industrial control and monitoring systems.
- RS-232 / RS-422 / RS-485 / RS-562 Interfaces: Serial communication systems.
- Signal Line Protection: Protection against electrical noise and transient voltages.
- Local Interconnect Transceivers (LIN TxRx): Automotive and industrial local interconnect networks.
- IO-Link and Home Bus Transceivers: Industrial and home automation systems.
Q & A
- What is the ADUM2402BRWZ-RL used for?
The ADUM2402BRWZ-RL is a quad-channel digital isolator used to isolate and protect digital signals in various applications, including automotive, industrial, and communication systems.
- What is the supply voltage range for the ADUM2402BRWZ-RL?
The supply voltage range is from 2.7 V to 5.5 V for both VDD1 and VDD2.
- What are the maximum data rates supported by the ADUM2402BRWZ-RL?
The component supports data rates up to 10 Mbps for BRWZ and CRWZ grades and up to 90 Mbps for CRWZ grade only.
- What is the pulse-width distortion of the ADUM2402BRWZ-RL?
The pulse-width distortion is less than 2 ns for the CRWZ grade.
- What is the isolation voltage of the ADUM2402BRWZ-RL?
The isolation voltage is 5000 Vrms.
- What is the common mode transient immunity (CMTI) of the ADUM2402BRWZ-RL?
The CMTI is 25 kV/μs.
- Does the ADUM2402BRWZ-RL support voltage translation?
Yes, it supports voltage translation across the isolation barrier.
- What is the refresh feature in the ADUM2402BRWZ-RL?
The refresh feature ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- What are some common applications of the ADUM2402BRWZ-RL?
Common applications include automotive interfaces, industrial I/O, RS-232 / RS-422 / RS-485 / RS-562 interfaces, signal line protection, and local interconnect transceivers.
- What is the packaging type for the ADUM2402BRWZ-RL?
The component is packaged in a 16-SOIC and is available in tape and reel (TR) format.
