SI8640ED-B-IS

Digital Isolators Overview

The SI8640ED-B-IS is a low-power, quad-channel digital isolator from Skyworks Solutions Inc. It features four forward channels with zero reverse channels, operating at a maximum data rate of 150 Mbps. The device provides 5000 Vrms isolation voltage and supports supply voltages between 2.5 V and 5.5 V. Key electrical parameters include a typical propagation delay of 13 ns, common mode transient immunity of 35 kV/µs, and pulse width distortion of 2.5 ns. It operates within a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Provides high electromagnetic interference immunity and low radiation through capacitive coupling technology.
• Features Schmitt trigger inputs for enhanced noise rejection in noisy environments.
• Ensures signal integrity with high common-mode transient immunity capabilities.

Digital Isolators Applications

• Isolating CMOS digital I/O interfaces
• Protecting sensitive circuits from data bus noise and surges
• Industrial automation control systems

Digital Isolators Procurement Notes

Verify the specific suffix 'B-IS' against the manufacturer's current datasheet to confirm package type and pinout compatibility. Ensure the selected variant meets the required isolation voltage rating of 5000 Vrms for your application safety standards. Cross-reference the operating temperature range and supply voltage specifications with system requirements before finalizing procurement.

Digital Isolators Selection Notes

Select this component when high-speed data transmission up to 150 Mbps is required alongside robust galvanic isolation. Consider the 16-pin WSOP package dimensions for PCB layout constraints. Evaluate the power consumption characteristics relative to thermal management needs in enclosed industrial environments. Confirm that the unidirectional channel configuration aligns with the signal flow direction of the target interface.

Digital Isolators Part Context

This part belongs to the Si864x series of digital isolators, designed for general-purpose applications requiring reliable signal transmission across isolated boundaries. It utilizes silicon dioxide insulation barriers to separate input and output buffers, offering superior performance compared to traditional optocouplers in terms of speed and power efficiency.

Digital Isolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by matching pin configurations and electrical specifications if considering alternative manufacturers.