Overview
The ADUM2401ARIZ is a 4-channel digital isolator produced by Analog Devices Inc., leveraging the company's iCoupler® technology. This device combines high-speed CMOS and monolithic air core transformer technology to provide reliable and high-performance digital isolation. It is designed to operate with supply voltages ranging from 2.7 V to 5.5 V, making it compatible with a variety of systems and enabling voltage translation across the isolation barrier.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage (VDD1, VDD2) | 2.7 V to 5.5 V | |
| Total Supply Current (4 Channels), DC to 1 MHz | VDD1: 1.8 mA to 2.4 mA, VDD2: 1.2 mA to 1.8 mA | |
| Total Supply Current (4 Channels), 5 MHz | VDD1: 7.1 mA to 9.0 mA, VDD2: 4.1 mA to 5.0 mA | |
| Total Supply Current (4 Channels), 45 MHz (CRWZ Grade Only) | VDD1: 57 mA to 82 mA, VDD2: 31 mA to 43 mA | |
| Propagation Delay (tPHL, tPLH) | 50 ns to 70 ns | CL = 15 pF, CMOS signal levels |
| Pulse-Width Distortion (PWD) | < 2 ns (CRWZ Grade) | CL = 15 pF, CMOS signal levels |
| Maximum Data Rate | Up to 90 Mbps (CRWZ Grade Only) | CL = 15 pF, CMOS signal levels |
| Minimum Pulse Width | 1000 ns | CL = 15 pF, CMOS signal levels |
Key Features
- 4-channel digital isolation using iCoupler technology
- High-speed operation with data rates up to 90 Mbps (CRWZ Grade Only)
- Low pulse width distortion (<2 ns for CRWZ grade)
- Tight channel-to-channel matching (<2 ns for CRWZ grade)
- Patented refresh feature ensuring dc correctness during power-up/power-down and in the absence of input logic transitions
- Operates with supply voltages from 2.7 V to 5.5 V, enabling voltage translation across the isolation barrier
Applications
- Automotive interfaces (CAN, Audio, Ethernet)
- Industrial I/O and IO-Link
- Local Interconnect Network (LIN) transceivers
- LVDS/MLVDS and other high-speed interfaces
- RS-232 / RS-422 / RS-485 / RS-562 serial communication
- Signal integrity and signal line protection
- Broadband switches and gigabit multimedia serial links (GMSL)
Q & A
- What is the ADUM2401ARIZ used for?
The ADUM2401ARIZ is a 4-channel digital isolator used to provide reliable digital isolation in various applications, including automotive, industrial, and high-speed communication systems. - What is the operating voltage range of the ADUM2401ARIZ?
The ADUM2401ARIZ operates with supply voltages ranging from 2.7 V to 5.5 V. - What are the key features of the ADUM2401ARIZ?
Key features include 4-channel digital isolation, high-speed operation up to 90 Mbps, low pulse width distortion, and a patented refresh feature for dc correctness. - What are the typical applications of the ADUM2401ARIZ?
Typical applications include automotive interfaces, industrial I/O, IO-Link, LIN transceivers, LVDS/MLVDS, and serial communication protocols like RS-232/RS-422/RS-485. - What is the maximum data rate supported by the ADUM2401ARIZ?
The maximum data rate supported is up to 90 Mbps for the CRWZ grade. - How does the ADUM2401ARIZ ensure dc correctness?
The ADUM2401ARIZ features a patented refresh mechanism that ensures dc correctness during power-up/power-down and in the absence of input logic transitions. - What is the propagation delay of the ADUM2401ARIZ?
The propagation delay (tPHL, tPLH) is between 50 ns to 70 ns. - What is the minimum pulse width for the ADUM2401ARIZ?
The minimum pulse width is 1000 ns. - How does the ADUM2401ARIZ handle voltage translation?
The device can handle voltage translation across the isolation barrier due to its compatibility with supply voltages ranging from 2.7 V to 5.5 V. - What is the significance of the iCoupler technology in the ADUM2401ARIZ?
The iCoupler technology combines high-speed CMOS and monolithic air core transformer technology to provide reliable and high-performance digital isolation.
