Overview
The ADUM3151BRSZ-RL7 is a 7-channel digital isolator produced by Analog Devices Inc., optimized for isolated serial peripheral interfaces (SPIs). It utilizes Analog Devices' iCoupler® chip scale transformer technology, providing high-speed, low-propagation-delay isolation for SPI signals. This device is particularly suited for applications requiring high common-mode transient immunity and strict safety and regulatory compliance.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 7 |
| Maximum Data Rate | 17 MHz |
| Maximum Propagation Delay | 14 ns at 5V |
| Isolation Rating | 3750 Vrms for 1 minute |
| Common-Mode Transient Immunity | >25 kV/μs |
| Operating Temperature Range | -40°C to +125°C |
| Package Type | 20-lead SSOP |
| Safety and Regulatory Approvals | UL recognition per UL 1577, CSA Component Acceptance Notice 5A, VDE certificate of conformity, DIN V VDE V 0884-10:2006-12 |
Key Features
- High-speed SPI signal isolation with up to 17 MHz clock rates
- Low propagation delay of 14 ns and 1 ns jitter for optimized timing
- Three additional independent low data rate isolation channels with up to 250 kbps data rate
- High common-mode transient immunity of >25 kV/μs
- Operating temperature range of -40°C to +125°C
- 20-lead SSOP package with 5.1 mm creepage
- Compliance with various safety and regulatory standards including UL, CSA, and VDE
Applications
- Industrial programmable logic controllers (PLCs)
- Sensor isolation
- Other applications requiring high-speed, isolated serial communication
Q & A
- What is the ADUM3151BRSZ-RL7 used for?
The ADUM3151BRSZ-RL7 is used for isolated serial peripheral interfaces (SPIs), particularly in applications such as industrial programmable logic controllers (PLCs) and sensor isolation.
- What is the maximum data rate supported by the ADUM3151BRSZ-RL7?
The maximum data rate supported is up to 17 MHz.
- What is the propagation delay of the ADUM3151BRSZ-RL7?
The propagation delay is 14 ns at 5V.
- What is the isolation rating of the ADUM3151BRSZ-RL7?
The isolation rating is 3750 Vrms for 1 minute.
- What are the safety and regulatory approvals for the ADUM3151BRSZ-RL7?
It has UL recognition per UL 1577, CSA Component Acceptance Notice 5A, VDE certificate of conformity, and DIN V VDE V 0884-10:2006-12.
- What is the operating temperature range of the ADUM3151BRSZ-RL7?
The operating temperature range is -40°C to +125°C.
- What package type does the ADUM3151BRSZ-RL7 come in?
The package type is a 20-lead SSOP.
- Does the ADUM3151BRSZ-RL7 support low data rate channels?
Yes, it provides three additional independent low data rate isolation channels with up to 250 kbps data rate.
- What is the common-mode transient immunity of the ADUM3151BRSZ-RL7?
The common-mode transient immunity is >25 kV/μs.
- Is the ADUM3151BRSZ-RL7 suitable for high-temperature applications?
Yes, it is suitable for high-temperature applications with an operating temperature range of -40°C to +125°C.
