Overview
The ADUM1441ARQZ-RL7 is a micropower, 4-channel digital isolator developed by Analog Devices, Inc. This component combines high-speed complementary metal oxide semiconductor (CMOS) and monolithic air core transformer technologies to provide outstanding performance characteristics, surpassing those of traditional optocoupler devices. It is designed to maximize signal integrity and reduce electromagnetic interference, making it ideal for various industrial and high-speed communication applications.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Package/Case | QSOP-16 | - | - |
| Number of Channels | 4 Channel | - | - |
| Polarity | Bidirectional | - | - |
| Data Rate | Up to 2 Mbps | bps | - |
| Isolation Voltage | 2500 Vrms | V | - |
| Isolation Type | Magnetic Coupling | - | - |
| Supply Voltage - Max | 3.6 V | V | - |
| Supply Voltage - Min | 2.25 V | V | - |
| Operating Supply Current | 552 uA, 672 uA | A | Quiescent current per channel |
| Propagation Delay Time | 80 ns | ns | - |
| Minimum Operating Temperature | -40 C | C | - |
| Maximum Operating Temperature | +125 C | C | - |
Key Features
- Safe and Reliable Operation: Meets regulatory requirements such as UL and CSA standards, ensuring high safety and reliability.
- Compact Device Footprint: Available in small 16-lead QSOP and 20-lead SSOP packages, freeing up to 70% of board space compared to wider body SOIC packages.
- Broad Operating Temperature: Operates from -40°C to +125°C, making it suitable for harsh environments.
- Robust ESD Protection: Provides protection against extraneous noise disturbances with an input glitch filter.
- Low Power Sleep Mode: Ultra-low power operation with quiescent current as low as 0.1 μA per channel when internal refresh is disabled.
- High-Speed Communication: Supports data rates up to 2 Mbps, ideal for high-speed SPI communication).
Applications
- Industrial-Grade Signal Isolation: Suitable for isolating signals in industrial environments to prevent noise and interference).
- High-Speed SPI Communication: Ideal for applications requiring fast and reliable serial communication).
- Process Control in Harsh Environments: Used in process control systems that operate in challenging conditions, ensuring reliable and safe operation).
Q & A
- What is the ADUM1441ARQZ-RL7 used for?
The ADUM1441ARQZ-RL7 is used for industrial-grade signal isolation, high-speed SPI communication, and process control in harsh environments).
- What is the package type of the ADUM1441ARQZ-RL7?
The ADUM1441ARQZ-RL7 is packaged in a 16-lead QSOP).
- What is the maximum data rate of the ADUM1441ARQZ-RL7?
The maximum data rate is up to 2 Mbps).
- What is the isolation voltage of the ADUM1441ARQZ-RL7?
The isolation voltage is 2500 Vrms).
- What are the operating temperature ranges for the ADUM1441ARQZ-RL7?
The operating temperature ranges from -40°C to +125°C).
- Does the ADUM1441ARQZ-RL7 have ESD protection?
Yes, it has robust ESD protection and an input glitch filter to protect against extraneous noise disturbances).
- What is the quiescent current per channel when internal refresh is disabled?
The quiescent current per channel is less than 1 μA when internal refresh is disabled).
- Is the ADUM1441ARQZ-RL7 RoHS compliant?
Yes, the ADUM1441ARQZ-RL7 is RoHS compliant).
- What are the supply voltage ranges for the ADUM1441ARQZ-RL7?
The supply voltage ranges from 2.25 V to 3.6 V).
- Does the ADUM1441ARQZ-RL7 support bidirectional communication?
Yes, it supports bidirectional communication).
