WMSIC Electronic Components

ADI/LINEAR LTC4307IMS8#TRPBF LTC4307IMS8

ModelLTC4307IMS8#TRPBF
PackageMSOP-8
BrandADI/LINEAR
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR LTC4307IMS8#TRPBF
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
LTC4307IMS8#TRPBF
Electronic Component
1
Package
MSOP-8
Type
Buffer
Electronic Component
Signal Buffer / Repeater / Distributor
Electronic Component
0.8g
Electronic Component
1
Features
Bus Capacitor Isolated;; and
Electronic Component
BM0264794568
Operating Temperature
40℃~+85℃
Operating Voltage
2.3V~5.5V
Data
600Kbps
Capacitor
10pF
Type
2 Bus

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

LTC4307IMS8#TRPBF 2线式总线缓冲器/加速器产品概述

一、产品核心定位与应用场景

LTC4307IMS8#TRPBF是亚德诺半导体(ADI)旗下针对I2C/SMBus 2线式总线设计的双向缓冲器/加速器,核心作用是解决总线负载过重导致的信号衰减、通信速度下降问题,同时支持系统带电热插拔,提升总线可靠性与扩展性。

它的典型应用覆盖多领域:

  • 工业控制:PLC、DCS系统中扩展I2C传感器(温度、压力、湿度)节点,避免主控制器因负载过重无法正常通信;
  • 通信设备:基站、路由器的监控模块,连接多个状态传感器,保证高负载下总线稳定传输;
  • 消费电子:智能家电(冰箱、空调)的多外设联动,支持多个传感器与控制器双向通信;
  • 便携设备:手持监测仪、智能手环等电池供电设备,低功耗设计延长续航。

二、关键性能参数详解

结合产品规格与实际特性,核心参数可分为三类:

1. 总线性能

  • 通道数:2通道双向缓冲,可同时扩展两条独立I2C/SMBus总线;
  • 传输速度:最高支持400kHz(快速模式),满足工业与消费电子主流通信需求;
  • 输入电容:10pF(典型值),低电容减少对总线信号的负载影响,保证信号完整性。

2. 电源与环境

  • 工作电压:2.3V~5.5V宽范围,适配3.3V工业电源、5V消费电源等常见轨;
  • 工作温度:-40℃~+85℃工业级,极端环境下无需额外温度补偿。

3. 防护能力

  • 过流保护:内置限流电路,防止总线短路(如节点误接、导线破损)损坏器件;
  • ESD防护:符合人体放电模型(HBM)Class 2标准,提升现场组装抗静电能力。

三、封装与物理特性

采用MSOP-8微型小外形封装,尺寸仅3mm×3mm,引脚间距0.65mm,优势明显:

  • 高密度设计:适合PCB空间紧张的小型化设备(如智能传感器模块、手持终端);
  • 散热稳定:低热阻配合宽温度范围,高负载下仍能可靠工作;
  • 兼容布局:8引脚与标准I2C接口兼容,外围电路极简,无需复杂适配。

四、核心功能与优势

相比普通I2C缓冲器,LTC4307的优势集中在可靠性、扩展性与易用性:

1. 信号增强与加速

内置驱动电路优化信号上升沿/下降沿,即使总线连接10+节点,仍能保持400kHz稳定传输,解决“总线负载瓶颈”问题。

2. 热插拔支持

允许系统带电插入/拔出总线节点,避免传统总线“断电才能插拔”的限制,工业现场更换传感器无需停机,提升维护效率。

3. 宽电压适配

2.3V~5.5V电压范围覆盖从低功耗MCU(2.5V)到传统5V系统的所有常见电源,无需额外电平转换电路。

4. 低功耗设计

静态电流仅1μA(典型值),适合电池供电的便携设备(如手持监测仪),延长续航时间。

五、典型应用与集成建议

以工业PLC传感器扩展为例,系统集成方式如下:

  • 主端:PLC的I2C控制器(SDA/SCL)连接LTC4307的“主通道”(SDA1/SCL1);
  • 从端:10个温度传感器(如TMP102)连接LTC4307的“从通道”(SDA2/SCL2);
  • 优势:LTC4307缓冲后,传感器负载不再直接加载到PLC控制器,同时加速信号保证通信稳定;若某传感器故障,可带电插拔更换,不影响其他设备。

集成建议

  • 无需额外上拉电阻:LTC4307内置10kΩ上拉电阻(可选外部),简化电路设计;
  • 电源滤波:在VCC引脚并联10μF钽电容与0.1μF陶瓷电容,滤除电源噪声;
  • 接地处理:GND引脚尽量靠近主控制器或传感器的接地,减少共模干扰。

LTC4307IMS8#TRPBF凭借宽电压、工业级温度、热插拔等特性,成为多节点I2C/SMBus系统的可靠扩展方案,适用于对稳定性与扩展性要求较高的工业、通信及消费电子领域。

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