The ADuM4154 has four high-speed channels. The first three channels, CLK, MI/SO, and MO/SI (the slash indicates the connection of the particular input and output channel across the isolator) are optimized for either low propagation delay in the B grade, or high noise immunity in the A grade.

Note: For this example we used the ccRF 3 click and the EasyPIC v7 development board
SPI (Serial Peripheral Interface) communication is one of the most popular protocols for sending data between microcontrollers and different peripherals.
It is a synchronous protocol; the clock signal is provided by the master.
For more information take a look at our Learn article about SPI communication.
| Type | Isolator |
| Applications | Sensor isolation, industrial programmable logic controllers (PLCs) |
| MCU | ADuM4154 digital isolator optimized for SPI |
| Key Features | The module supports up to 17 MHz SPI clock speed, 4 high speed, low propagation delay, SPI signal isolation channels |
| Key Benefits | The ADuM4154 supports up to 4 slave devices |
| Interface | SPI |
| Input Voltage | 3.3V or 5V |
| Compatibility | mikroBUS |
| Click board size | M (42.9 x 25.4 mm) |
The ADuM4154 has four high-speed channels. The first three channels, CLK, MI/SO, and MO/SI (the slash indicates the connection of the particular input and output channel across the isolator) are optimized for either low propagation delay in the B grade, or high noise immunity in the A grade.

Note: For this example we used the ccRF 3 click and the EasyPIC v7 development board
SPI (Serial Peripheral Interface) communication is one of the most popular protocols for sending data between microcontrollers and different peripherals.
It is a synchronous protocol; the clock signal is provided by the master.
For more information take a look at our Learn article about SPI communication.
| Type | Isolator |
| Applications | Sensor isolation, industrial programmable logic controllers (PLCs) |
| MCU | ADuM4154 digital isolator optimized for SPI |
| Key Features | The module supports up to 17 MHz SPI clock speed, 4 high speed, low propagation delay, SPI signal isolation channels |
| Key Benefits | The ADuM4154 supports up to 4 slave devices |
| Interface | SPI |
| Input Voltage | 3.3V or 5V |
| Compatibility | mikroBUS |
| Click board size | M (42.9 x 25.4 mm) |
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