Overview
The ADUM7240ARZ, produced by Analog Devices Inc., is a dual-channel digital isolator based on the iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technologies to provide superior performance characteristics compared to alternatives like optocoupler devices and other integrated couplers. The ADUM7240ARZ is packaged in a narrow-body 8-lead SOIC and offers a cost-effective solution for applications requiring functional isolation up to 1 kV.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Data Rate | - | - | - | 25 Mbps | - | NRZ (Non-Return-to-Zero) |
| Isolation Voltage | - | - | - | 1000 Vrms | - | - |
| Supply Voltage | VDD1, VDD2 | 4.5 V | 5 V | 5.5 V | V | - |
| Propagation Delay | tPHL, tPLH | 32 ns | 50 ns | 75 ns | ns | 50% input to 50% output |
| Pulse Width Distortion | PWD | 2 ns | 5 ns | - | ns | |tPLH − tPHL| |
| Common-Mode Transient Immunity | |CM| | - | - | 15 kV/μs | kV/μs | - |
| Operating Temperature | TA | -40°C | - | 105°C | °C | - |
Key Features
- High-Speed Data Transfer: Up to 25 Mbps data rate (NRZ).
- Low Power Consumption: Consumes one-tenth to one-sixth the power of comparable isolators at data rates up to 25 Mbps.
- High Common-Mode Transient Immunity: >15 kV/μs, ensuring robust performance in noisy environments.
- Input Glitch Filter: Protects against extraneous noise disturbances.
- 3 V/5 V Level Translation: Supports mixed voltage systems.
- High Temperature Operation: Up to 105°C, making it suitable for industrial and harsh environments).
- Bidirectional Communication: Enables data transfer in both directions).
Applications
- General-Purpose Multichannel Isolation: Suitable for various isolation needs in multiple channels).
- Data Converter Isolation: Ideal for isolating data converters to prevent noise and interference).
- Industrial Field Bus Isolation: Used in industrial field bus systems to ensure reliable and isolated communication).
Q & A
- What is the maximum data rate of the ADUM7240ARZ?
The maximum data rate of the ADUM7240ARZ is up to 25 Mbps (NRZ).
- What is the isolation voltage of the ADUM7240ARZ?
The isolation voltage of the ADUM7240ARZ is 1000 Vrms.
- What is the operating temperature range of the ADUM7240ARZ?
The operating temperature range of the ADUM7240ARZ is from -40°C to 105°C.
- Does the ADUM7240ARZ support bidirectional communication?
Yes, the ADUM7240ARZ supports bidirectional communication.
- What is the common-mode transient immunity of the ADUM7240ARZ?
The common-mode transient immunity of the ADUM7240ARZ is >15 kV/μs.
- What type of technology does the ADUM7240ARZ use for isolation?
The ADUM7240ARZ uses iCoupler® technology, which combines high-speed CMOS and monolithic air core transformer technologies.
- Is the ADUM7240ARZ RoHS compliant?
Yes, the ADUM7240ARZ is RoHS compliant.
- What is the package type of the ADUM7240ARZ?
The ADUM7240ARZ is packaged in a narrow-body 8-lead SOIC.
- Does the ADUM7240ARZ have an input glitch filter?
Yes, the ADUM7240ARZ has an input glitch filter to protect against extraneous noise disturbances.
- What are some typical applications of the ADUM7240ARZ?
The ADUM7240ARZ is typically used in general-purpose multichannel isolation, data converter isolation, and industrial field bus isolation.
