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LTC4309IDE#PBF

LTC4309IDE#PBF

Manufacturer No:

LTC4309IDE#PBF

Manufacturer:

Analog Devices Inc.

Description:

IC ACCELERATOR I2C HOTSWAP 12DFN

Datasheet:

Datasheet

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LTC4309IDE#PBF Specifications

  • Type
    Parameter
  • Supplier Device Package
    12-DFN (4x3)
  • Package / Case
    12-WFDFN Exposed Pad
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C
  • Current - Supply
    7mA
  • Voltage - Supply
    2.3V ~ 5.5V
  • Capacitance - Input
    10 pF
  • Signal Conditioning
    -
  • Delay Time
    -
  • Number of Channels
    2
  • Data Rate (Max)
    400kHz
  • Output
    2-Wire Bus
  • Input
    2-Wire Bus
  • Applications
    I²C - Hotswap
  • Type
    Buffer, Accelerator
  • Packaging
    Tube
  • Product Status
    Active
  • Series
    -
The LTC4309IDE#PBF is an integrated circuit chip designed by Linear Technology (now part of Analog Devices) that serves as a hot-swappable I2C bus buffer. It provides various advantages and can be used in several application scenarios, including:1. Hot-Swapping Capability: The LTC4309IDE#PBF allows for the hot-swapping of I2C devices without disrupting the bus communication. It features a bidirectional buffer that isolates the devices during insertion or removal, preventing bus corruption and maintaining uninterrupted communication.2. Level Shifting: The chip provides level shifting functionality, allowing devices operating at different voltage levels to communicate on the same I2C bus. It supports voltage translation between 1.8V, 2.5V, 3.3V, and 5V logic levels, making it compatible with a wide range of devices.3. Bus Buffering: The LTC4309IDE#PBF acts as a buffer between the I2C bus and the devices connected to it. It provides strong pull-up currents to improve bus performance and signal integrity, especially in systems with long or heavily loaded bus lines.4. Address Translation: The chip supports I2C address translation, enabling multiple devices with the same address to coexist on the bus. It allows for the dynamic assignment of unique addresses to each device, eliminating address conflicts and simplifying system design.5. Fault Isolation: The LTC4309IDE#PBF incorporates a robust fault detection and isolation mechanism. It detects bus lock-ups, bus faults, and excessive bus capacitance, and automatically disconnects the faulty device from the bus to prevent disruptions and ensure reliable communication.Application scenarios for the LTC4309IDE#PBF include:1. Hot-Swappable Systems: The chip is commonly used in systems where I2C devices need to be inserted or removed while the system is powered on. Examples include server racks, industrial automation equipment, and hot-pluggable modules.2. Mixed Voltage Systems: The LTC4309IDE#PBF is ideal for systems that have I2C devices operating at different voltage levels. It allows for seamless communication between devices with varying logic levels, such as microcontrollers, sensors, and peripheral modules.3. Large I2C Networks: In systems with long or heavily loaded I2C bus lines, the LTC4309IDE#PBF can be used to improve signal integrity and prevent bus corruption. It provides strong pull-up currents and isolates faulty devices, ensuring reliable communication in complex I2C networks.4. Address Conflict Resolution: The chip is useful in scenarios where multiple I2C devices have the same address. It enables dynamic address assignment, eliminating conflicts and simplifying the integration of multiple devices on the same bus.Overall, the LTC4309IDE#PBF offers enhanced I2C bus management capabilities, making it a versatile solution for various applications requiring hot-swapping, level shifting, bus buffering, and address translation.
LTC4309IDE#PBF Relevant information