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LT1281A - 典型应用图例：
LT1281A典型应用图例一
LT1281A典型应用图例二
LT1281A - 封装图解：
LT1281A封装图解一
LT1281A封装图解二
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LINEAR产品 - LT1281A介绍

LT1281A - LT1281A是Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors

LT1281A是LINEAR凌力尔特公司的一款RS232 / RS562 收发器产品，LT1281A是LT1281A是Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors，本站介绍了LT1281A的封装应用图解、特点和优点、功能等，并给出了与LT1281A相关的LINEAR元器件型号供参考。

LT1281A - LT1281A是Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors - RS232 / RS562 收发器 - 接口器件 - 凌力尔特

LT1281A - Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors

LT1281A - Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors - Linear Technology（凌力尔特）

功能描述

The H (Metal Can), J (Ceramic), and K (Metal Can) Packages From Linear Technology Are Now Obsolete

The LT1280A/LT1281A are dual RS232 driver/receiver pairs with integral charge pump to generate RS232 voltage levels from a single 5V supply. These circuits feature rugged bipolar design to provide operating fault tolerance and ESD protection unmatched by competing CMOS designs. Using only 0.1µF external capacitors, these circuits consume only 40mW of power, and can operate to 120kbaud even while driving heavy capacitive loads. New ESD structures on the chip allow the LT1280A/LT1281A to survive multiple ±10kV strikes, eliminating the need for costly TransZorbs on the RS232 line pins. The LT1280A/LT1281A are fully compliant with EIA RS232 standards. Driver outputs are protected from overload, and can be shorted to ground or up to ±30V without damage. During shutdown or power-off conditions, driver and receiver outputs are in a high impedance state, allowing line sharing.

The LT1281A is available in 16-pin DIP and SO packages. The LT1280A is supplied in 18-pin DIP and SO packages for applications which require shutdown.

特点
  • 10mA Max Supply Current
  • ESD Protection over ±10kV
  • Uses Small Capacitors: 0.1µF
  • 120kBaud Operation for RL = 3k, CL = 2500pF
  • 250kBaud Operation for RL = 3k, CL = 1000pF
  • Outputs Withstand ±30V Without Damage
  • CMOS Comparable Low Power: 40mW
  • Operates from a Single 5V Supply
  • Rugged Bipolar Design
  • Outputs Assume a High Impedance State When Off or Powered Down
  • Meets All RS232 Specifications
  • Available With or Without Shutdown
  • Absolutely No Latch-up
  • Available in SO Package
    • 应用
  • Portable Computers
  • Battery-Powered Systems
  • Power Supply Generator
  • Terminals
  • Modems
    • 以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）
    器件型号 封装 温度 价格 (以 1 ~ 99 片为批量) 价格 (以 1000 片为批量)
    LT1281ACN N-16 C $3.33 $2.65
    LT1281ACN#PBF N-16 C $3.33 $2.65
    LT1281ACSW SW-16 C $3.67 $2.85
    LT1281ACSW#PBF SW-16 C $3.67 $2.85
    LT1281ACSW#TR SW-16 C $2.91
    LT1281ACSW#TRPBF SW-16 C $2.91
    LT1281AIN N-16 I $4.10 $3.35
    LT1281AIN#PBF N-16 I $4.10 $3.35
    LT1281AISW SW-16 I $5.15 $4.25
    LT1281AISW#PBF SW-16 I $5.15 $4.25
    LT1281AISW#TR SW-16 I $4.31
    LT1281AISW#TRPBF SW-16 I $4.31
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  • LT8471 - 具 2A 开关和同步功能的双通道、多拓扑 DC/DC 转换器
  • LTC4020 - 55V、降压-升压型多化学组成电池充电器
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LT1181A - Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors
  • LTC4000 - 用于电池充电和电源管理的高电压、大电流控制器
  • LT4320 / LT4320-1 - 理想二极管桥控制器
  • LT1781 - Low Power 5V RS232 Dual Driver/Receiver with ±15kV ESD Protection
  • LTC2801 - 1.8V 至 5.5V RS-232 单通道和双通道收发器
    • 下面可能是您感兴趣的凌力尔特公司RS232 / RS562 收发器元器件
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