Analog Devices Inc. ADuM3154 SPIsolator™ Digital Isolators
Analog Devices Inc. ADuM3154 SPIsolator™ Digital Isolators are 3.75kVrms, seven channel, and optimized for a serial peripheral interface (SPI). Based on proprietary iCoupler® chip scale transformer technology, the low propagation delay and jitter in the CLK, MO/SI, MI/SO, and SS channels support SPI clock rates of up to 17MHz.
ADuM3154 also provides a slave select multiplexing system that allows up to four slave devices to be serviced from one isolator. The slave select system propagates to the desired output with full propagation speed, allowing tight timing control. The isolated SS multiplexer is addressed through a 250kbps low-speed dual port with 2.5μs of setup time. The design makes the ADuM3154 digital isolators ideal for industrial programmable logic controllers (PLCs) and sensor isolation applications.
Features
- Supports up to 17MHz SPI clock speed
- Four high-speed, low propagation delay, SPI signal isolation channels
- Supports up to 4 slave devices
- 20-lead SSOP package with 5mm creepage
- +125°C High temperature operation
- >25kV/μs High common-mode transient immunity
Applications
- Industrial programmable logic controllers (PLCs)
- Sensor Isolation
Functional Block Diagram
Associated Products
Analog Devices Inc. ADuM315x SPIsolator™ Digital Isolators
3.75kV Dedicated Digital Isolators for SPI Interfaces featuring iCoupler® technology.
Associated Solution
Analog Devices Inc. Interface & Isolation Products
Offers Interface and Isolation products including digital isolators, transceivers, and isolated ADCs