Overview
The ADUM2401ARWZ is a 4-channel digital isolator produced by Analog Devices Inc., utilizing their proprietary iCoupler technology. This component is designed to provide high-speed digital isolation, ensuring reliable communication between two isolated domains. The ADUM2401ARWZ operates 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. It is particularly useful in applications requiring high data rates and low pulse width distortion.
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 | |
| Maximum Data Rate | Up to 1 Mbps (BRWZ and CRWZ Grades), Up to 90 Mbps (CRWZ Grade Only) | CL = 15 pF, CMOS signal levels |
| Propagation Delay (tPHL, tPLH) | 50 ns to 100 ns | CL = 15 pF, CMOS signal levels |
| Pulse-Width Distortion (PWD) | < 2 ns (CRWZ Grade) | CL = 15 pF, CMOS signal levels |
| Isolation Voltage (Vrms) | 5000 V | |
| Operating Temperature | -40°C to 105°C |
Key Features
- 4-channel digital isolation using iCoupler technology
- Operates with supply voltages from 2.7 V to 5.5 V, enabling voltage translation
- Low pulse width distortion (<2 ns for CRWZ grade)
- Tight channel-to-channel matching (<2 ns for CRWZ grade)
- High data rates up to 90 Mbps (CRWZ Grade Only)
- Patented refresh feature ensuring dc correctness during power-up/power-down and absence of input logic transitions
- High isolation voltage of 5000 Vrms
- Wide operating temperature range of -40°C to 105°C
Applications
- Industrial I/O and control systems
- Automotive interfaces (CAN, Audio, Ethernet)
- Broadband switches and gigabit multimedia serial links (GMSL)
- Home bus transceivers and local interconnect transceivers (LIN TxRx)
- IO-Link and level translators
- RS-232 / RS-422 / RS-485 / RS-562 interfaces
- Signal integrity and signal line protection
- USB products and other high-speed digital communication systems
Q & A
- What is the ADUM2401ARWZ used for?
The ADUM2401ARWZ is used for 4-channel digital isolation, providing reliable communication between two isolated domains.
- What is the operating voltage range of the ADUM2401ARWZ?
The ADUM2401ARWZ operates with supply voltages ranging from 2.7 V to 5.5 V.
- What are the maximum data rates supported by the ADUM2401ARWZ?
The ADUM2401ARWZ supports data rates up to 1 Mbps for BRWZ and CRWZ grades, and up to 90 Mbps for the CRWZ grade only.
- What is the propagation delay of the ADUM2401ARWZ?
The propagation delay (tPHL, tPLH) is between 50 ns to 100 ns.
- What is the isolation voltage of the ADUM2401ARWZ?
The isolation voltage is 5000 Vrms.
- What is the operating temperature range of the ADUM2401ARWZ?
The operating temperature range is -40°C to 105°C.
- Does the ADUM2401ARWZ have any special features for ensuring dc correctness?
Yes, it has a patented refresh feature that ensures dc correctness during power-up/power-down and in the absence of input logic transitions.
- What are some common applications of the ADUM2401ARWZ?
Common applications include industrial I/O, automotive interfaces, broadband switches, and high-speed digital communication systems.
- How many channels does the ADUM2401ARWZ provide for digital isolation?
The ADUM2401ARWZ provides 4 channels for digital isolation.
- What is the pulse-width distortion of the ADUM2401ARWZ?
The pulse-width distortion is less than 2 ns for the CRWZ grade.
