Manufacturer Part Number
LTC4301IMS8#TRPBF
Manufacturer
Analog Devices
Introduction
LTC4301IMS8#TRPBF is a hot-swappable I2C buffer that enhances the capability of an I2C bus by extending the number of devices or total bus capacitance.
Product Features and Performance
Robust hot-swappable operation
Supports I2C bus capacitance buffering
Allows 400kHz operation on heavily loaded buses
7V to 5.5V supply voltage range
Supports 2 bidirectional channels
Low quiescent current of 4.5mA
Responds to General Call Address
Product Advantages
Prevents data corruption during live board insertion and removal
Increases I2C bus length and number of connectable devices
Compatible with I2C bus fault conditions
Key Technical Parameters
Data Rate (Max): 400kHz
Number of Channels: 2
Capacitance - Input: 10 pF
Voltage - Supply: 2.7V ~ 5.5V
Current - Supply: 4.5mA
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
High-impedance SCL, SDA pins when VCC is below VTP
Built-in rise-time accelerator to meet I2C timing requirements under heavy loading
Compatibility
Compatible with I2C and SMBus specifications
Supports hot swapping on I2C bus
Application Areas
Data communication networking
Server and storage hotswap
Industrial computer systems
Complex computing systems
Product Lifecycle
Status: Active
Continued production with the support for future replacement or upgrades
Several Key Reasons to Choose This Product
Enables I2C bus extension for high-capacity or long-distance applications
Facilitates safe board insertion into live backplanes without bus disruption
Helps maintain signal integrity under different loading conditions
Operates reliably in industrial temperature ranges
Easy surface-mount MSOP-8 packaging for compact designs
Enhances I2C system reliability through bus buffering and stabile operation
Direct support from a reputable manufacturer, Analog Devices