LTC4307IMS8#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: I2C Bus Buffer with Stuck Bus Recovery

Characteristics: - Provides level shifting and buffering for I2C bus signals - Supports bidirectional data transfer between devices operating at different voltage levels - Features stuck bus recovery to automatically clear bus lock-ups - Protects against excessive capacitive loading and bus contention - Compatible with I2C and SMBus standards

Package: MSOP-8

Essence: The LTC4307IMS8#TRPBF is an IC designed to facilitate communication between devices using the I2C bus protocol. It ensures reliable data transfer by providing level shifting, buffering, and protection against common issues such as bus lock-ups and excessive capacitive loading.

Packaging/Quantity: The LTC4307IMS8#TRPBF is available in a MSOP-8 package. The quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Maximum Data Rate: 400kHz
• Quiescent Current: 0.9mA (typical)
• Rise/Fall Time: 10ns (maximum)

Pin Configuration

The LTC4307IMS8#TRPBF has the following pin configuration:

```

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| | --| A1 VCC|-- --| A0 SDA |-- --| GND SCL |-- --| OE FLT |-- |___________| ```

• A1, A0: Address Inputs
• VCC: Power Supply
• SDA: Serial Data Input/Output
• SCL: Serial Clock Input
• OE: Output Enable
• FLT: Fault Output

Functional Features

1. Level Shifting: The LTC4307IMS8#TRPBF allows bidirectional data transfer between devices operating at different voltage levels, ensuring compatibility and seamless communication.

2. Stuck Bus Recovery: This IC features a built-in mechanism to automatically clear bus lock-ups, preventing communication failures and improving system reliability.

3. Protection Mechanisms: It protects against excessive capacitive loading and bus contention, safeguarding the integrity of the I2C bus signals.

Advantages and Disadvantages

Advantages: - Enables communication between devices with different voltage levels - Automatic recovery from bus lock-ups enhances system reliability - Provides protection against common I2C bus issues - Compact MSOP-8 package for space-constrained applications

Disadvantages: - Limited maximum data rate of 400kHz - Operating temperature range may not be suitable for extreme environments

Working Principles

The LTC4307IMS8#TRPBF operates by monitoring the I2C bus for potential issues such as bus lock-ups or excessive capacitive loading. When a fault is detected, it automatically clears the bus and resumes normal operation. The level shifting and buffering capabilities ensure proper signal translation between devices with different voltage levels, allowing seamless communication.

Application Field Plans

The LTC4307IMS8#TRPBF is commonly used in various applications that require reliable communication using the I2C bus protocol. Some potential application fields include:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio systems to facilitate communication between different components.

2. Industrial Automation: Integrated into industrial control systems to enable communication between sensors, actuators, and controllers.

3. Automotive Electronics: Employed in automotive modules and systems to support communication between various electronic components.

4. Medical Devices: Utilized in medical equipment to establish communication between different modules and sensors.

Alternative Models

1. PCA9515A: Similar I2C bus buffer with level shifting capabilities, offered by NXP Semiconductors.
2. TCA980x: Series of I2C bus buffers and repeaters from Texas Instruments, providing level shifting and signal conditioning features.
3. MAX7360: I2C bus buffer with level shifting and hot-swap capabilities, manufactured by Maxim Integrated.

These alternative models offer similar functionalities to the LTC4307IMS8#TRPBF and can be considered as alternatives based on specific requirements and availability.

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