Overview
The ADUM5402CRWZ-RL from Analog Devices Inc. is a quad-channel digital isolator that integrates an isolated DC-to-DC converter using the isoPower® technology. This device is designed to eliminate the need for a separate isolated DC-to-DC converter in low-power, isolated designs. It utilizes the iCoupler® chip scale transformer technology to isolate logic signals and power/feedback paths, resulting in a compact, total isolation solution. The ADUM5402CRWZ-RL is approved by various safety standards, including UL recognition, CSA, VDE, and CQC certifications, ensuring high reliability and safety in various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Insulation Rating | 2.5 kV rms |
| Maximum Data Rate | 25 Mbps |
| Propagation Delay (max) | 60 ns |
| Supply Voltage Range | 3 V to 5.5 V |
| Isolated Output Voltage (min) | 3 V |
| Isolated Output Current (max) | 100 mA |
| Operating Temperature Range | -40°C to +105°C |
| Package Type | 16-lead SOIC-W |
| Common-Mode Transient Immunity (CMTI) | 25 kV/μs (typical) |
Key Features
- Integrated isoPower® isolated DC-to-DC converter, providing up to 500 mW output power with regulated 3.3 V or 5 V output.
- High common-mode transient immunity of < 35 kV/μs (typical).
- Quad-channel digital isolation with data rates up to 25 Mbps.
- Low propagation delay of 60 ns (max) and low pulse width distortion of 6 ns (max).
- Operating temperature range from -40°C to +105°C.
- Compliant with various safety standards including UL, CSA, VDE, and CQC certifications.
Applications
- RS-232/RS-422/RS-485 transceivers.
- Industrial field bus isolation.
- Power supply start-up bias and gate drives.
- Isolated sensor interfaces.
- Industrial PLCs.
Q & A
- What is the primary function of the ADUM5402CRWZ-RL?
The ADUM5402CRWZ-RL is a quad-channel digital isolator with an integrated isolated DC-to-DC converter, designed to provide both signal isolation and power isolation in a single package.
- What are the key safety certifications for this device?
The device is certified by UL, CSA, VDE, and CQC, ensuring compliance with various safety standards.
- What is the maximum data rate supported by the ADUM5402CRWZ-RL?
The device supports data rates up to 25 Mbps.
- What is the operating temperature range of the ADUM5402CRWZ-RL?
The operating temperature range is from -40°C to +105°C.
- What type of package does the ADUM5402CRWZ-RL come in?
The device is packaged in a 16-lead SOIC-W package.
- What is the common-mode transient immunity (CMTI) of the ADUM5402CRWZ-RL?
The CMTI is typically 25 kV/μs.
- What is the maximum output power of the integrated DC-to-DC converter?
The integrated DC-to-DC converter can provide up to 500 mW output power.
- What are some common applications for the ADUM5402CRWZ-RL?
Common applications include RS-232/RS-422/RS-485 transceivers, industrial field bus isolation, power supply start-up bias and gate drives, isolated sensor interfaces, and industrial PLCs.
- Is the ADUM5402CRWZ-RL RoHS compliant?
Yes, the device is RoHS compliant.
- What is the maximum propagation delay of the ADUM5402CRWZ-RL?
The maximum propagation delay is 60 ns.
