ADUM3153ARSZ Analog Devices, PCB SMT, 7-Channel Digital Isolator for SPI 34MBps, 3.75 kVrms, 20-Pin SSOP

ADuM3151/3152/3153 Series SPIsolator Digital Isolators, Analog Devices

The ADuM3151 / ADuM3152 / ADuM3153 series, from Analog Devices, are 7-channel, SPIsolator™ digital isolators optimized for isolated serial peripheral interfaces (SPIs). The ADuM3151 / ADuM3152 / ADuM3153 SPIsolator™ offers integration of three auxiliary data channels reduces the size and cost.
Based on the Analog Devices, Inc., iCoupler® chip scale transformer technology, the low propagation delay in the CLK, MO/SI, MI/SO, and SS SPI bus signals supports SPI clock rates of up to 17 MHz. These channels operate with 14 ns propagation delay and 1 ns jitter to optimize timing for SPI. The ADuM3151/ADuM3152/ADuM3153 isolators also provide three additional independent low data rate isolation channels in three different channel direction combinations. Data in the slow channels is sampled and serialized for a 250 kbps data rate with up to 2.5 μs of jitter in the low speed channels.
Suitable applications for this family include Industrial programmable logic controllers (PLCs) and sensor isolation.

- Supports up to 17 MHz SPI clock speed
- 4 high speed, low propagation delay, SPI signal isolation channels
- Three 250kbps data channels
- 20-lead SSOP package
- 5.1 mm creepage
- High temperature operation: 125°C
- High common-mode transient immunity: >25 kV/μs

SPIsolator™ Digital Isolators
Utilising Analog Devices’ iCoupler® Technology, the SPIsolator™ digital isolators are dedicated SPI isolators. They offer a small footprint, simple design, fast speed and high data integrity. Different to optocoupler and previous digital isolator solutions, the SPIsolator ™ family offers the ability to increase performance and lower cost all while reducing board space by utilizing a single compact form factor.