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See Technical Specifications

LTC4310CDD-2#PBF

Hot-Swappable I²C Isolators

Manufacturer:

Analog Devices, Inc
Mfr.Part #:

LTC4310CDD-2#PBF
Datasheet:

LTC4310CDD-2#PBF Datasheet (PDF)
feature-maximum-operating-supply-voltage-v:

5.5
feature-minimum-operating-supply-voltage-v:

3
feature-packaging:

Tube
feature-pin-count:

10
EDA/CAD Models:

Request Free CAD Models for LTC4310CDD-2#PBF

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LTC4310CDD-2#PBF General Description

The LTC4310 provides bidirectional I²C communications between two I²C buses whose grounds are isolated from one another. Each LTC4310 encodes I²C bus logic states into signals that are transmitted across an isolation barrier to another LTC4310. The receiving LTC4310 decodes the transmission and drives its l²C bus to the appropriate logic state. The isolation barrier can be bridged by an inexpensive Ethernet, or other transformer, to achieve communications across voltage differences reaching thousands of volts, or it can be bridged by capacitors for lower voltage isolation. The LTC4310-1 is intended for use in 100kHz I²C systems. The LTC4310-2 is intended for 400kHz I²C systems.

Key Features

Bidirectional I²C Communication Between Two Isolated Buses
Full Isolation with Inexpensive Ethernet Transformers or Capacitors
Low Voltage Level Shifting
I²C Maximum Operating Frequency:

100kHz for LTC4310-1
400kHz for LTC4310-2

I²C Specification Compliant V_OL, V_IL
±5kV Human Body Model ESD Protection
Rise Time Accelerators
SDA, SCL Hot-Swapping
Very Low Shutdown Current
Stuck Bus Disconnect and Recovery
Thermal Shutdown
10-Lead MSOP and 3mm × 3mm DFN Packages

Application

Isolated I²C, SMBus and PMBus Interfaces
Isolated Power Supplies
Positive-to-Negative Rail Communications
Power-over-Ethernet

Specifications

feature-maximum-operating-supply-voltage-v	5.5	feature-process-technology
feature-minimum-operating-supply-voltage-v	3	feature-packaging	Tube
feature-rad-hard		feature-pin-count	10
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-escc-qualified		feature-military	No
feature-aec-qualified	No	feature-aec-qualified-number
feature-auto-motive	No	feature-p-pap	No
feature-eccn-code	EAR99	feature-svhc	No
feature-svhc-exceeds-threshold	No