Overview
The ADUM7641ARQZ is a 6-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler technology. This device is designed to provide reliable and high-speed digital isolation, making it suitable for a variety of applications where electrical isolation is critical. The ADUM7641ARQZ is packaged in a compact 20-lead QSOP, offering space savings and a lower cost compared to higher voltage isolation solutions when only functional isolation is required.
Key Specifications
| Parameter | Value |
|---|---|
| Data Rate | Up to 25 Mbps (NRZ) |
| Supply Voltage | 3.0 V to 5.5 V |
| Maximum Supply Current per Channel | 7.8 mA at 25 Mbps, 2.2 mA at 0-1 Mbps |
| Output Rise/Fall Time | 2.0 ns (10% to 90%) |
| Common-Mode Transient Immunity | >15 kV/μs |
| Operating Temperature | -40°C to 105°C |
| Package Type | 20-lead QSOP |
| Isolation Voltage | 1 kV |
Key Features
- Bidirectional communication with up to 25 Mbps data rate.
- 3 V/5 V level translation.
- Low power consumption: one-tenth to one-sixth the power of other digital isolators.
- High temperature operation: up to 105°C.
- High common-mode transient immunity: >15 kV/μs.
- Channel-by-channel glitch filter to protect against extraneous noise disturbances.
- Default output high logic state in the absence of input power.
Applications
- General-purpose, multichannel isolation.
- SPI interface/data converter isolation.
- RS-232/RS-422/RS-485 transceivers.
- Industrial field bus isolation.
- Automotive interfaces (CAN, Audio, Ethernet).
- IO-Link and other industrial I/O applications.
Q & A
- What is the maximum data rate of the ADUM7641ARQZ?
The maximum data rate is up to 25 Mbps (NRZ). - What is the supply voltage range for the ADUM7641ARQZ?
The supply voltage range is from 3.0 V to 5.5 V. - What is the maximum supply current per channel at 25 Mbps?
The maximum supply current per channel at 25 Mbps is 7.8 mA. - What is the common-mode transient immunity of the ADUM7641ARQZ?
The common-mode transient immunity is >15 kV/μs. - What is the operating temperature range of the ADUM7641ARQZ?
The operating temperature range is -40°C to 105°C. - What type of package does the ADUM7641ARQZ come in?
The ADUM7641ARQZ comes in a 20-lead QSOP package. - What is the isolation voltage of the ADUM7641ARQZ?
The isolation voltage is 1 kV. - Does the ADUM7641ARQZ support bidirectional communication?
Yes, it supports bidirectional communication. - What is the purpose of the channel-by-channel glitch filter in the ADUM7641ARQZ?
The channel-by-channel glitch filter protects the device against extraneous noise disturbances. - What is the default output logic state of the ADUM7641ARQZ in the absence of input power?
The default output logic state is high.
