規格
| 屬性 | 價值 |
| Package / Case | Tube |
| Part Status | Active |
| Type | Buffer, Accelerator |
| Applications | I²C - Hotswap |
| Input | 2-Wire Bus |
| Output | 2-Wire Bus |
| Data Rate (Max) | 400kHz |
| Number of Channels | 2 |
| Capacitance - Input | 10 pF |
| Voltage - Supply | 2.3V ~ 5.5V |
| Supply Current | 8mA |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
概述
Description
The LTC4307IMS8 is a hot-swappable I2C bus buffer designed to enable and manage the integration of I2C devices into a live bus, ensuring minimal disruption during hot swapping. It is manufactured by Analog Devices, Inc. and functions by supporting bidirectional data transfer between its two I2C bus connections, while isolating the backplane and card sides when a card is removed or inserted. The device features rise-time accelerators, bus stuck low detection, and recovery capabilities to maintain signal integrity. Additionally, it operates from a supply voltage range of 2.9V to 5.5V and limits offset voltage to prevent bus errors, offering a robust solution for managing I2C communication in complex systems. Its applications include servers, telecom systems, and other environments where I2C devices need to be hot-swapped. The LTC4307IMS8 is available in an 8-lead MSOP package, making it suitable for space-constrained applications. This device ensures reliable I2C bus management, enhancing the flexibility and scalability of electronic systems.
Equivalent
The LTC4307IMS8 is a hot-swappable I2C bus buffer with rise time accelerators. Equivalent products include:
1. PCA9515A by NXP: An I2C bus repeater.
2. TCA9517 by Texas Instruments: A level translating I2C bus repeater.
3. MAX3378E by Maxim Integrated: A level translator with auto-direction sensing.
4. P82B96 by NXP: A dual bidirectional bus buffer.
These components provide similar functionalities for managing I2C bus communication and buffering. Always check the datasheets for specific electrical and performance characteristics to ensure compatibility.
1. PCA9515A by NXP: An I2C bus repeater.
2. TCA9517 by Texas Instruments: A level translating I2C bus repeater.
3. MAX3378E by Maxim Integrated: A level translator with auto-direction sensing.
4. P82B96 by NXP: A dual bidirectional bus buffer.
These components provide similar functionalities for managing I2C bus communication and buffering. Always check the datasheets for specific electrical and performance characteristics to ensure compatibility.
Features
The LTC4307IMS8 is a hot-swappable I²C bus buffer designed to enhance the reliability and performance of I²C systems. Key features include:
1. Hot Swap Capability: Allows for the safe addition or removal of I²C devices without disrupting the bus operation.
2. Rise Time Accelerator: Enhances signal integrity by speeding up the rising edges on SDA and SCL lines.
3. Fault Isolation: Provides stuck bus recovery and fault isolation between different I²C segments, ensuring one segment's issues do not affect others.
4. High Noise Immunity: Offers improved noise margins, making it suitable for electrically noisy environments.
5. 4V to 5.5V Operating Voltage: Compatible with a wide range of power supply voltages.
6. Bidirectional Buffering: Ensures seamless communication in both directions on the I²C bus.
7. Automatic Bus Disconnect: Disconnects the bus automatically upon fault detection.
8. Small Footprint: Available in a compact MSOP-8 package, ideal for space-constrained applications.
These features make the LTC4307IMS8 a robust solution for managing complex I²C bus architectures, ensuring reliable data communication and system stability.
1. Hot Swap Capability: Allows for the safe addition or removal of I²C devices without disrupting the bus operation.
2. Rise Time Accelerator: Enhances signal integrity by speeding up the rising edges on SDA and SCL lines.
3. Fault Isolation: Provides stuck bus recovery and fault isolation between different I²C segments, ensuring one segment's issues do not affect others.
4. High Noise Immunity: Offers improved noise margins, making it suitable for electrically noisy environments.
5. 4V to 5.5V Operating Voltage: Compatible with a wide range of power supply voltages.
6. Bidirectional Buffering: Ensures seamless communication in both directions on the I²C bus.
7. Automatic Bus Disconnect: Disconnects the bus automatically upon fault detection.
8. Small Footprint: Available in a compact MSOP-8 package, ideal for space-constrained applications.
These features make the LTC4307IMS8 a robust solution for managing complex I²C bus architectures, ensuring reliable data communication and system stability.
Pinout
The LTC4307IMS8 is an 8-pin device used for I2C-bus applications. It functions as a hot-swappable 2-wire bus buffer with stuck bus recovery and rise-time accelerator capabilities. The pin configuration is as follows:
1. VCC: Power supply input.
2. SDAIN: Serial data input.
3. SCLIN: Serial clock input.
4. READY: Open-drain output indicating the status of the connection.
5. ENABLE: Input to enable or disable the buffer.
6. ACC: Rise-time accelerator control pin.
7. SDAOUT: Serial data output.
8. SCLOUT: Serial clock output.
These pins work together to manage I2C bus signals, allowing for safe hot-swapping by isolating sections of the bus and providing fault recovery mechanisms.
1. VCC: Power supply input.
2. SDAIN: Serial data input.
3. SCLIN: Serial clock input.
4. READY: Open-drain output indicating the status of the connection.
5. ENABLE: Input to enable or disable the buffer.
6. ACC: Rise-time accelerator control pin.
7. SDAOUT: Serial data output.
8. SCLOUT: Serial clock output.
These pins work together to manage I2C bus signals, allowing for safe hot-swapping by isolating sections of the bus and providing fault recovery mechanisms.
Manufacturer
The LTC4307IMS8 is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacturing of semiconductor devices, including analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company provides a variety of solutions for applications in industries such as communications, automotive, industrial, healthcare, and consumer electronics. Known for their innovation and quality, Analog Devices plays a significant role in developing components that enhance the performance and efficiency of electronic systems.
Application
The LTC4307IMS8 is a hot-swappable I2C bus buffer designed for use in applications requiring the management of I2C signals over multiple domains. Key application areas include:
1. Server and Data Center Equipment: Enhances reliability and uptime by supporting live insertion or removal of I2C components without disrupting the bus.
2. Telecommunications Systems: Facilitates seamless communication between different parts of the system.
3. Industrial Automation: Ensures robust I2C communication amidst harsh environments and multiple devices.
4. Consumer Electronics: Used in devices necessitating modular component connectivity.
5. Medical Equipment: Provides reliable interconnects for sensitive medical devices.
Its ability to isolate capacitance and buffer signals makes it ideal for extending I2C bus capabilities across various applications.
1. Server and Data Center Equipment: Enhances reliability and uptime by supporting live insertion or removal of I2C components without disrupting the bus.
2. Telecommunications Systems: Facilitates seamless communication between different parts of the system.
3. Industrial Automation: Ensures robust I2C communication amidst harsh environments and multiple devices.
4. Consumer Electronics: Used in devices necessitating modular component connectivity.
5. Medical Equipment: Provides reliable interconnects for sensitive medical devices.
Its ability to isolate capacitance and buffer signals makes it ideal for extending I2C bus capabilities across various applications.
Package
The LTC4307IMS8 is packaged in an MSOP-8 (Mini Small Outline Package) format. This package type is compact and typically features 8 leads, making it suitable for space-constrained applications.
