LTC4300A-1IMS8#PBF

Product Overview

Category

The LTC4300A-1IMS8#PBF belongs to the category of integrated circuits (ICs) used in electronic devices.

Use

This product is primarily used for level-shifting and buffering signals in I2C bus applications.

Characteristics

• The LTC4300A-1IMS8#PBF is a low voltage, 2-wire bus buffer with hot-swappable capability.
• It operates at a supply voltage range of 1.65V to 5.5V, making it suitable for various applications.
• This IC features a high impedance input when the power supply is off, preventing any disruption to the bus communication.
• It has built-in ±4kV ESD protection on the I/O pins, ensuring robustness against electrostatic discharge.

Package

The LTC4300A-1IMS8#PBF comes in an MSOP-8 package, which is a miniaturized surface-mount package with eight leads.

Essence

The essence of this product lies in its ability to provide bidirectional buffering and level shifting for I2C bus signals, ensuring reliable communication between devices operating at different voltage levels.

Packaging/Quantity

The LTC4300A-1IMS8#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Maximum Data Rate: 400kHz
• Quiescent Current: 1.5μA (typical)
• Input High Voltage: 0.7VDD to VDD
• Input Low Voltage: 0V to 0.3VDD
• Output High Voltage: 0.7VDD to VDD
• Output Low Voltage: 0V to 0.3VDD

Detailed Pin Configuration

The LTC4300A-1IMS8#PBF has the following pin configuration:

___________ SDA --| |-- SDAOUT SCL --| |-- SCLOUT GND --| |-- VCC --| LTC4300A-1 |-- VCC --| |-- GND SCLOUT --| |-- SCLIN SDAOUT --|___________|-- SDAIN

Functional Features

• Bidirectional buffering of I2C bus signals.
• Level shifting between different voltage domains.
• Hot-swappable capability for live insertion and removal of devices on the bus.
• High impedance input when power supply is off, preventing bus disruption.
• Built-in ESD protection on I/O pins.

Advantages and Disadvantages

Advantages

• Enables communication between devices operating at different voltage levels.
• Provides robust ESD protection.
• Supports hot-swapping of devices on the bus.
• Low quiescent current consumption.

Disadvantages

• Limited maximum data rate of 400kHz.
• Requires careful consideration of voltage compatibility with connected devices.

Working Principles

The LTC4300A-1IMS8#PBF acts as a bidirectional buffer and level shifter for I2C bus signals. It ensures that devices operating at different voltage levels can communicate effectively by translating the logic levels between them. The IC also provides hot-swappable capability, allowing devices to be inserted or removed from the bus without disrupting the communication.

Detailed Application Field Plans

The LTC4300A-1IMS8#PBF finds applications in various fields, including: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - Telecommunications

In consumer electronics, it can be used in smart home devices, audio/video equipment, and computer peripherals. In industrial automation, it enables communication between sensors, actuators, and control systems. Automotive systems benefit from its level-shifting capabilities for I2C bus communication between different components. Medical devices and telecommunications equipment also utilize this IC for reliable signal buffering and level shifting.

Detailed and Complete Alternative Models

Some alternative models to the LTC4300A-1IMS8#PBF include: - PCA9306 - TCA9517 - TXB0108

These models offer similar functionality and can be considered as alternatives depending on specific requirements and design constraints.

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