Overview
The ADUM7441ARQZ-RL7 is a quad-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technologies to provide superior performance compared to optocoupler devices and other integrated couplers. It is designed for high reliability and safety, with UL recognition under UL 1577 for 1000V rms for 1 minute. The ADUM7441ARQZ-RL7 operates over a wide temperature range of -40°C to +105°C, making it suitable for various industrial and general-purpose applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 4 | - | - |
| Maximum Data Rate | 1 Mbps (typical), up to 25 Mbps (NRZ) | Mbps | - |
| Propagation Delay | 55-80 ns (50% input to 50% output) | ns | - |
| Pulse Width Distortion | 10-25 ns | ns | - |
| Operating Temperature | -40°C to +105°C | °C | - |
| Supply Voltage | 3.0 V to 3.6 V (VDD1), 4.5 V to 5.5 V (VDD2) | V | - |
| Isolation Voltage | 1000 V rms for 1 minute | V rms | UL 1577 recognized |
| Common-Mode Transient Immunity | >15 kV/μs | kV/μs | - |
| Package Type | 16-lead QSOP | - | - |
Key Features
- Bidirectional communication
- 3V/5V level translation
- High common-mode transient immunity (>15 kV/μs)
- Low power operation: 2.25 mA per channel maximum at 0 Mbps to 1 Mbps (5V), 1.5 mA per channel maximum at 0 Mbps to 1 Mbps (3.3V)
- High temperature operation: up to 105°C
- Small 16-lead QSOP package
Applications
- General-purpose, multichannel isolation
- SPI interface/data converter isolation
- RS-232/RS-422/RS-485 transceivers
- Industrial field bus isolation
Q & A
- What is the maximum data rate of the ADUM7441ARQZ-RL7?
The maximum data rate is 1 Mbps, but it can support up to 25 Mbps (NRZ) for certain configurations.
- What is the operating temperature range of the ADUM7441ARQZ-RL7?
The operating temperature range is -40°C to +105°C.
- What is the isolation voltage rating of the ADUM7441ARQZ-RL7?
The isolation voltage rating is 1000 V rms for 1 minute, recognized by UL 1577.
- Does the ADUM7441ARQZ-RL7 support bidirectional communication?
- What is the common-mode transient immunity of the ADUM7441ARQZ-RL7?
The common-mode transient immunity is greater than 15 kV/μs.
- What package type is used for the ADUM7441ARQZ-RL7?
The ADUM7441ARQZ-RL7 is packaged in a 16-lead QSOP.
- What are the typical supply current values for the ADUM7441ARQZ-RL7?
The typical supply current values are 2.25 mA per channel at 0 Mbps to 1 Mbps for 5V operation and 1.5 mA per channel at 0 Mbps to 1 Mbps for 3.3V operation.
- Does the ADUM7441ARQZ-RL7 support 3V/5V level translation?
- What are some common applications of the ADUM7441ARQZ-RL7?
- Is the ADUM7441ARQZ-RL7 compliant with any safety and regulatory standards?
