LTC4302IMS-1#PBF

Signal Buffers, Repeaters, Splitters Overview

The LTC4302IMS-1#PBF is a dual-channel addressable buffer and repeater designed for I2C, SMBus, and 2-Wire bus applications. It operates within a supply voltage range of 2.7 V to 5.5 V and supports clock frequencies up to 600 kHz with a propagation delay of 60 ns. The device features low input capacitance of 10 pF per channel and draws 5.9 mA of operating current. Packaged in a 10-lead MSOP, it functions across an industrial temperature range from -40°C to +85°C.

Signal Buffers, Repeaters, Splitters Feature Summary

• Provides bidirectional signal buffering and repeating for two independent I2C or SMBus channels
• Enables hot-swappable connections by isolating downstream buses during power-up events
• Supports addressable control to selectively enable or disable specific bus segments

Signal Buffers, Repeaters, Splitters Applications

• Extending I2C bus distance in industrial control systems
• Isolating sensitive components during hot-swap operations
• Segmenting large SMBus networks to reduce capacitive loading

Signal Buffers, Repeaters, Splitters Procurement Notes

Verify the complete part number including the suffix #PBF to confirm lead-free compliance and RoHS status. Confirm the MSOP-10 package variant matches the design footprint. Check the latest datasheet revision for any updates to electrical characteristics or recommended operating conditions before finalizing procurement specifications.

Signal Buffers, Repeaters, Splitters Selection Notes

Select this component when dual-channel isolation is required for I2C or SMBus interfaces. Ensure the system voltage remains within the 2.7 V to 5.5 V range. Verify that the 600 kHz maximum frequency meets the bus speed requirements. Consider the 10 pF input capacitance impact on total bus load calculations.

Signal Buffers, Repeaters, Splitters Part Context

This part belongs to the LTC4302 series of bus buffers manufactured by Analog Devices (formerly Linear Technology). It serves as a specialized interface solution for managing multiple I2C segments. The IMS-1 designation indicates the specific pin-compatible variant within the broader family of addressable bus controllers.

Signal Buffers, Repeaters, Splitters Replacement Considerations

Direct substitutes include other addressable I2C buffers from Analog Devices such as the LTC4312 for multiplexing applications. Verify pin compatibility and electrical parameters against the original specification sheet before substitution.