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LT1280A - 典型应用图例：
LT1280A典型应用图例一
LT1280A典型应用图例二
LT1280A - 封装图解：
LT1280A封装图解一
LT1280A封装图解二
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LINEAR产品 - LT1280A介绍

LT1280A - LT1280A是Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors

LT1280A是LINEAR凌力尔特公司的一款RS232 / RS562 收发器产品，LT1280A是LT1280A是Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors，本站介绍了LT1280A的封装应用图解、特点和优点、功能等，并给出了与LT1280A相关的LINEAR元器件型号供参考。

LT1280A - LT1280A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

LT1280A - Low Power 5V RS232 Dual Driver/Receiver with 0.1μF Capacitors

LT1280A - 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)
    LT1280ACN N-18 C $3.33 $2.65
    LT1280ACN#PBF N-18 C $3.33 $2.65
    LT1280ACSW SW-18 C $3.67 $2.85
    LT1280ACSW#PBF SW-18 C $3.67 $2.85
    LT1280ACSW#TR SW-18 C $2.95
    LT1280ACSW#TRPBF SW-18 C $2.95
    LT1280AIN N-18 I $4.90 $4.00
    LT1280AIN#PBF N-18 I $4.90 $4.00
    LT1280AISW SW-18 I $5.15 $4.25
    LT1280AISW#PBF SW-18 I $5.15 $4.25
    LT1280AISW#TR SW-18 I $4.35
    LT1280AISW#TRPBF SW-18 I $4.35
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LTM2882 - 双通道、隔离型 RS232 μModule 收发器 + 电源
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LT1081 - Advanced Low Power 5V RS232 Dual Driver/Receiver
  • LTC2803 - 1.8V 至 5.5V RS-232 单通道和双通道收发器
  • LTC6992-1 / LTC6992-2 / LTC6992-3 / LTC6992-4 - TimerBlox : 电压控制型脉宽调制器 (PWM)
  • LTC1384 - 5V Low Power RS232 Transceiver with 2 Receivers Active in Shutdown
  • LTC2057 / LTC2057HV - 高电压、低噪声、零漂移运算放大器
  • LTC2802 - 1.8V 至 5.5V RS-232 单通道和双通道收发器
  • LTC6102 - 精准零漂移电流检测放大器
  • LT8610 - 具 2.5μA 静态电流的 42V、2.5A 同步降压型稳压器
    • 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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