I2C Bus

I²C Bus Buffer Family

Linear Technology

This presentation will introduce a family of bus buffers, rise time accelerators, and multiplexers that allow a user to address the most common I²C issues. It will also explain why these issues arise and what types of controllers are available. With this information, a user can reliably expand and operate the I²C bus while staying compliant with the standard.
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Integrated Circuits

ImageManufacturer Part NumberDescriptionPackagingPart StatusTypeAvailable Quantity
LTC4303CMS8#PBF datasheet linkIC ACCELERATOR I2C HOTSWAP 8MSOPLTC4303CMS8#PBFIC ACCELERATOR I2C HOTSWAP 8MSOPTubeActiveBuffer, Accelerator1477 - Immediate
LTC4303CMS8#PBF product page link
LTC4304IMS#PBF datasheet linkIC ACCELERATR I2C HOTSWAP 10MSOPLTC4304IMS#PBFIC ACCELERATR I2C HOTSWAP 10MSOPTubeActiveBuffer, Accelerator91 - Immediate
LTC4304IMS#PBF product page link
LTC4302IMS-2#PBF datasheet linkIC ACCELERATOR I2C 2CH 10MSOPLTC4302IMS-2#PBFIC ACCELERATOR I2C 2CH 10MSOPTubeActiveBuffer, Accelerator49 - Immediate
LTC4302IMS-2#PBF product page link


ImageManufacturer Part NumberDescriptionPackagingTechnologyTypeAvailable Quantity
LTC4310CDD-1#PBF datasheet linkDGTL ISOLATOR 2CH I2C 10DFNLTC4310CDD-1#PBFDGTL ISOLATOR 2CH I2C 10DFNTubeMagnetic CouplingI²C108 - Immediate
LTC4310CDD-1#PBF product page link
LTC4310CDD-2#PBF datasheet linkDGTL ISOLATOR 2CH I2C 10DFNLTC4310CDD-2#PBFDGTL ISOLATOR 2CH I2C 10DFNTubeMagnetic CouplingI²C91 - Immediate
LTC4310CDD-2#PBF product page link
LTC4310CMS-1#PBF datasheet linkDGTL ISOLATOR 2CH I2C 10MSOPLTC4310CMS-1#PBFDGTL ISOLATOR 2CH I2C 10MSOPTubeMagnetic CouplingI²C85 - Immediate
LTC4310CMS-1#PBF product page link
LTC4310CDD-1#TRPBF datasheet linkDGTL ISOLATOR 2CH I2C 10DFNLTC4310CDD-1#TRPBFDGTL ISOLATOR 2CH I2C 10DFNTape & Reel (TR)Magnetic CouplingI²C0LTC4310CDD-1#TRPBF product page link
LTC4310CDD-2#TRPBF datasheet linkDGTL ISOLATOR 2CH I2C 10DFNLTC4310CDD-2#TRPBFDGTL ISOLATOR 2CH I2C 10DFNTape & Reel (TR)Magnetic CouplingI²C0LTC4310CDD-2#TRPBF product page link
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Eval Board

ImageManufacturer Part NumberDescriptionMain PurposeEmbeddedUtilized IC / PartAvailable Quantity
DC1079A-A datasheet linkEVAL BOARD FOR LTC4310-1DC1079A-AEVAL BOARD FOR LTC4310-1Interface, I2C Bus BufferNoLTC4310-13 - Immediate
DC1079A-A product page link
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PTM Published on: 2013-06-20