Overview
The ADUM2401BRWZ is a 4-channel digital isolator produced by Analog Devices Inc., utilizing their proprietary iCoupler® technology. This device is designed to provide high-speed data transfer across an isolation barrier, making it suitable for applications requiring electrical isolation and data integrity. The ADUM2401BRWZ operates with supply voltages ranging from 2.7 V to 5.5 V on both sides, enabling compatibility with various voltage systems and facilitating voltage translation across the isolation barrier.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Isolation | 5000 Vrms |
| Common Mode Transient Immunity | 25 kV/µs |
| Data Rate | 10 Mbps (BRWZ Grade) |
| Propagation Delay (tPHL, tPLH) | 20-50 ns |
| Pulse Width Distortion (PWD) | 3 ns |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Package | SOIC-16-300mil |
| Supply Current (IDD1, IDD2) at 5 MHz | IDD1: 7.1-9.0 mA, IDD2: 4.1-5.0 mA |
Key Features
- High-speed data transfer with 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 absence of input logic transitions
- Compatibility with lower voltage systems and voltage translation functionality
- High common mode transient immunity (25 kV/µs)
Applications
- Industrial control systems
- Medical devices requiring isolation
- Automotive systems
- Data acquisition and sensor systems
- Power supplies and DC-DC converters
Q & A
- What is the primary function of the ADUM2401BRWZ?
The ADUM2401BRWZ is a 4-channel digital isolator designed to provide electrical isolation and high-speed data transfer between two isolated domains. - What is the voltage isolation rating of the ADUM2401BRWZ?
The voltage isolation rating is 5000 Vrms. - What are the supply voltage ranges for the ADUM2401BRWZ?
The supply voltage ranges from 2.7 V to 5.5 V on both sides. - What is the maximum data rate for the BRWZ grade of the ADUM2401BRWZ?
The maximum data rate is 10 Mbps. - What is the propagation delay of the ADUM2401BRWZ?
The propagation delay (tPHL, tPLH) is between 20-50 ns. - What package type is the ADUM2401BRWZ available in?
The ADUM2401BRWZ is available in a SOIC-16-300mil package. - What is the common mode transient immunity of the ADUM2401BRWZ?
The common mode transient immunity is 25 kV/µs. - Does the ADUM2401BRWZ 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 absence of input logic transitions. - What are some typical applications for the ADUM2401BRWZ?
Typical applications include industrial control systems, medical devices, automotive systems, data acquisition, and power supplies. - How does the ADUM2401BRWZ handle channel-to-channel matching?
The ADUM2401BRWZ has tight channel-to-channel matching, with a skew of less than 3 ns for codirectional channels.
