Overview
The ADUM2401CRWZ is a quad-channel digital isolator produced by Analog Devices Inc., utilizing their proprietary iCoupler® technology. This component is designed to provide high-performance isolation with superior characteristics compared to traditional optocouplers. It eliminates concerns such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects, offering stable and reliable performance. The ADUM2401CRWZ operates at significantly lower power than optocouplers, making it an efficient choice for various applications.
Key Specifications
| Specification | Value |
|---|---|
| Number of Channels | 4 |
| Supply Voltage Range | 2.7V to 5.5V |
| Operating Temperature Range | −40°C to +105°C |
| Maximum Data Rate | 90 Mbps (CRWZ Grade) |
| Propagation Delay | 20 to 38 ns (CL = 15 pF, CMOS signal levels) |
| Pulse Width Distortion | < 2 ns (CRWZ Grade) |
| Common-Mode Transient Immunity | > 25 kV/μs |
| Package Style | 16-lead WSOIC |
| Certifications | UL recognition: 5000V rms for 1 minute per UL 1577, CSA component acceptance notice 5A, IEC 60601-1: 250V rms (reinforced), IEC 60950-1: 400V rms (reinforced) |
Key Features
- Low power operation, significantly lower than optocouplers at comparable signal data rates.
- Bidirectional communication and output enable function.
- 3V to 5V level translation capability.
- High temperature operation up to 105°C.
- High common-mode transient immunity.
- Tight channel-to-channel matching and low pulse width distortion.
- Patented refresh feature ensuring dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
Applications
- General-purpose high voltage multichannel isolation.
- Medical equipment.
- Motor drives.
- Power supplies.
Q & A
- What is the ADUM2401CRWZ?
The ADUM2401CRWZ is a quad-channel digital isolator from Analog Devices Inc., based on iCoupler® technology.
- What are the key advantages over optocouplers?
It offers stable performance, eliminates uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects, and operates at lower power.
- What is the operating temperature range of the ADUM2401CRWZ?
The operating temperature range is −40°C to +105°C.
- What is the maximum data rate of the ADUM2401CRWZ?
The maximum data rate is 90 Mbps for the CRWZ grade.
- What certifications does the ADUM2401CRWZ hold?
It is certified by UL recognition: 5000V rms for 1 minute per UL 1577, CSA component acceptance notice 5A, IEC 60601-1: 250V rms (reinforced), and IEC 60950-1: 400V rms (reinforced).
- What is the package style of the ADUM2401CRWZ?
The package style is 16-lead WSOIC.
- What are some common applications of the ADUM2401CRWZ?
Common applications include general-purpose high voltage multichannel isolation, medical equipment, motor drives, and power supplies.
- Does the ADUM2401CRWZ support bidirectional communication?
- What is the common-mode transient immunity of the ADUM2401CRWZ?
The common-mode transient immunity is > 25 kV/μs.
- Does the ADUM2401CRWZ have any special features for ensuring dc correctness?
