Overview
The ADUM3442CRWZ-RL is a high-speed, four-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler technology, which provides reliable and high-speed data transfer across an isolation barrier. The ADUM3442 is designed to support data rates up to 150 Mbps, making it suitable for a variety of high-speed applications that require electrical isolation.
The device operates with supply voltages ranging from 3.0 V to 5.5 V, allowing for flexible integration into different system designs. It is certified by various regulatory bodies, including UL, CSA, and VDE, ensuring compliance with safety standards for isolation voltage up to 2500 V rms.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Maximum Data Rate | - | - | - | 150 Mbps | CL = 15 pF, CMOS signal levels | |
| Propagation Delay | tPHL, tPLH | 20 | - | 32 ns | CL = 15 pF, CMOS signal levels | |
| Pulse Width Distortion | PWD | 0.5 | - | 2 ns | CL = 15 pF, CMOS signal levels | |
| Logic High Input Threshold | VIH, VEH | - | - | 1.6 V | - | |
| Logic Low Input Threshold | VIL, VEL | - | - | 0.4 V | - | |
| Supply Current (VDD1) at 150 Mbps | IDD1 (150) | 40 | - | 66 mA | 75 MHz logic signal frequency | |
| Supply Current (VDD2) at 150 Mbps | IDD2 (150) | 17 | - | 25 mA | 75 MHz logic signal frequency | |
| Isolation Voltage | - | - | - | 2500 V rms | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 150 Mbps.
- Four-Channel Isolation: Provides four independent isolation channels.
- Flexible Supply Voltages: Operates with supply voltages ranging from 3.0 V to 5.5 V.
- Low Propagation Delay: Propagation delay as low as 20 ns.
- High Isolation Voltage: Certified for 2500 V rms isolation voltage.
- Regulatory Compliance: Approved by UL, CSA, and VDE.
- Low Power Consumption: Dynamic supply current is optimized for various data rates.
Applications
- Industrial Control Systems: Suitable for high-speed data transfer in industrial control environments.
- Medical Devices: Used in medical devices requiring high isolation and reliability.
- Automotive Systems: Applicable in automotive systems needing high-speed and isolated data communication.
- Power Supplies and DC-DC Converters: Used to isolate control signals in power supply and DC-DC converter applications.
- Test and Measurement Equipment: Utilized in test and measurement equipment for isolated data transfer.
Q & A
- What is the maximum data rate supported by the ADUM3442CRWZ-RL?
The ADUM3442CRWZ-RL supports data rates up to 150 Mbps.
- How many isolation channels does the ADUM3442CRWZ-RL provide?
The device provides four independent isolation channels.
- What are the operating supply voltage ranges for the ADUM3442CRWZ-RL?
The device operates with supply voltages ranging from 3.0 V to 5.5 V.
- What is the propagation delay of the ADUM3442CRWZ-RL?
The propagation delay is as low as 20 ns.
- What is the isolation voltage rating of the ADUM3442CRWZ-RL?
The device is certified for 2500 V rms isolation voltage.
- Is the ADUM3442CRWZ-RL compliant with any regulatory standards?
Yes, it is approved by UL, CSA, and VDE.
- How does the supply current of the ADUM3442CRWZ-RL vary with data rate?
The supply current increases with the data rate, with detailed specifications provided in the data sheet for different data rates.
- What are some common applications of the ADUM3442CRWZ-RL?
Common applications include industrial control systems, medical devices, automotive systems, power supplies, and test and measurement equipment.
- What is the logic high input threshold for the ADUM3442CRWZ-RL?
The logic high input threshold is 1.6 V.
- What is the logic low input threshold for the ADUM3442CRWZ-RL?
The logic low input threshold is 0.4 V.
