LTC4315CMS#TRMPBF

Signal Buffers, Repeaters, Splitters Overview

The LTC4315CMS#TRMPBF is a high-margin two-wire bus buffer manufactured by Analog Devices Inc. It operates within a supply voltage range of 2.7V to 5.5V and supports data rates up to 10Mbps. The device features a wide common-mode input range from -40V to +80V, ensuring robust protection against transients. Packaged in a compact 10-DFN (3x3mm) surface-mount format, it provides bidirectional signal translation between low-voltage logic domains and higher-voltage industrial buses.

Signal Buffers, Repeaters, Splitters Feature Summary

• Supports bidirectional level shifting for I2C, SMBus, and PMBus protocols
• Provides high noise immunity with configurable hysteresis thresholds
• Includes integrated ESD protection rated at +/-15kV HBM

Signal Buffers, Repeaters, Splitters Applications

• Industrial automation systems requiring isolated bus segments
• Multi-drop sensor networks with mixed voltage levels
• Server backplane interconnects for management buses

Signal Buffers, Repeaters, Splitters Procurement Notes

Verify the specific suffix CMS against official Analog Devices documentation to confirm temperature grade and packaging configuration. Ensure compatibility with system voltage rails before integration. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability.

Signal Buffers, Repeaters, Splitters Selection Notes

Select this component when interfacing 1.8V or 3.3V logic with buses exposed to high-voltage transients. Evaluate the required data rate against the 10Mbps limit. Consider the DFN package thermal characteristics for dense PCB layouts. Confirm that the -40V to +80V common-mode range meets the application's fault tolerance requirements.

Signal Buffers, Repeaters, Splitters Part Context

This part belongs to the LTC4315 family of ideal diode controllers and bus buffers designed for harsh electrical environments. It complements other power management ICs by enabling safe communication across potential differences. The series is widely used in automotive and industrial applications where signal integrity under fault conditions is critical.