LTM2893CY#PBF

Digital Isolators Overview

The LTM2893CY#PBF is a high-speed digital isolator featuring an integrated isolated ADC serial interface. It provides bidirectional data transmission at 100 Mbps with magnetic coupling isolation rated at 6000 Vrms. The device supports SPI protocols and accommodates ADC word lengths from 8 to 32 bits. Operating on a single supply voltage between 3 V and 5.5 V, it delivers low power consumption of 12 mA. Key electrical characteristics include a propagation delay of 80 ns, rise/fall times of 500 ps, and a common mode transient immunity of 50 kV/µs.

Digital Isolators Feature Summary

• Integrates a high-speed serial port compatible with SPI for direct connection to analog-to-digital converters
• Utilizes magnetic coupling technology to achieve robust galvanic isolation without optical components
• Configurable logic levels support operation across a wide input voltage range from 1.71 V to 5.5 V

Digital Isolators Applications

• Isolated data acquisition systems requiring high-speed ADC interfacing
• Industrial automation control networks with strict noise immunity requirements
• Medical equipment involving patient monitoring and signal isolation

Digital Isolators Procurement Notes

Verify the specific suffix designation against official Analog Devices documentation to confirm pinout configuration and functional variants. Ensure that the selected package type matches the thermal and mechanical constraints of the target PCB layout. Cross-reference the manufacturing date code and lot traceability requirements with supplier certifications to maintain quality standards for critical applications.

Digital Isolators Selection Notes

Choose this component when designing systems that demand high bandwidth isolation between microcontrollers and ADCs. The integrated serial interface reduces external component count compared to discrete isolator solutions. Evaluate the 6000 Vrms isolation rating against system safety standards and ensure the operating temperature range aligns with environmental conditions. Consider the BGA-36 footprint for compact board space optimization.

Digital Isolators Part Context

This part belongs to the LTM2893 series of isolated ADC serial interfaces developed by Analog Devices. It addresses the need for reliable communication in noisy industrial environments where traditional optocouplers may lack speed or longevity. The series emphasizes miniaturization and performance, offering a compact alternative to multi-chip isolation solutions while maintaining high data integrity.

Digital Isolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.