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LTC1690 - 典型应用图例：
LTC1690典型应用图例一
LTC1690典型应用图例二
LTC1690 - 封装图解：
LTC1690封装图解一
LTC1690封装图解二
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LINEAR产品 - LTC1690介绍

LTC1690 - LTC1690是Differential Driver and Receiver Pair with Fail-Safe Receiver Output

LTC1690是LINEAR凌力尔特公司的一款RS485 / RS422 收发器产品，LTC1690是LTC1690是Differential Driver and Receiver Pair with Fail-Safe Receiver Output，本站介绍了LTC1690的封装应用图解、特点和优点、功能等，并给出了与LTC1690相关的LINEAR元器件型号供参考。

LTC1690 - LTC1690是Differential Driver and Receiver Pair with Fail-Safe Receiver Output - RS485 / RS422 收发器 - 接口器件 - 凌力尔特

LTC1690 - Differential Driver and Receiver Pair with Fail-Safe Receiver Output

LTC1690 - Differential Driver and Receiver Pair with Fail-Safe Receiver Output - Linear Technology（凌力尔特）

功能描述
The LTC®1690 is a low power receiver/driver pair that is compatible with the requirements of RS485 and RS422. The receiver offers a fail-safe feature that guarantees a high receiver output state when the inputs are left open, shorted together or terminated with no signal present. No external components are required to ensure the high receiver output state.Separate driver output and receiver input pins allow full duplex operation. Excessive power dissipation caused by bus contention or faults is prevented by a thermal shutdown circuit which forces the driver outputs into a high impedance state.The LTC1690 is fully specified over the commercial and industrial temperature ranges. The LTC1690 is available in 8-Pin SO, MSOP and PDIP packages.
特点
  • No Damage or Latchup to ±15kV ESD (Human BodyModel), IEC1000-4-2 Level 4 (±8kV) Contact and Level 3 (±8kV)
  • Guaranteed High Receiver Output State for Floating, Shorted or Terminated Inputs with NoSignal Present
  • Drives Low Cost Residential Telephone Wires
  • ICC = 600µA Max with No Load
  • Single 5V Supply
  • ?7V to 12V Common Mode Range Permits ±7V Ground Difference Between Devices on the Data Line
  • Power-Up/Down Glitch-Free Driver Outputs Permit Live Insertion or Removal of Transceiver
  • Driver Maintains High Impedance with the Power Off
  • Up to 32 Transceivers on the Bus
  • Pin Compatible with the SN75179 and LTC490
  • Available in SO, MSOP and PDIP Packages
    • 应用
  • Battery-Powered RS485/RS422 Applications
  • Low Power RS485/RS422 Transceiver
  • Level Translator
  • Line Repeater
    • 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)
    LTC1690CMS8 MS-8 C $2.85 $2.00
    LTC1690CMS8#PBF MS-8 C $2.85 $2.00
    LTC1690CMS8#TR MS-8 C $2.06
    LTC1690CMS8#TRPBF MS-8 C $2.06
    LTC1690CN8 N-8 C $2.25 $1.65
    LTC1690CN8#PBF N-8 C $2.25 $1.65
    LTC1690CS8 SO-8 C $2.35 $1.75
    LTC1690CS8#PBF SO-8 C $2.35 $1.75
    LTC1690CS8#TR SO-8 C $1.81
    LTC1690CS8#TRPBF SO-8 C $1.81
    LTC1690IN8 N-8 I $2.90 $2.15
    LTC1690IN8#PBF N-8 I $2.90 $2.15
    LTC1690IS8 SO-8 I $3.10 $2.25
    LTC1690IS8#PBF SO-8 I $3.10 $2.25
    LTC1690IS8#TR SO-8 I $2.31
    LTC1690IS8#TRPBF SO-8 I $2.31
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LTM2881 - 完整的隔离型 RS485 / RS422 μModule 收发器和电源
  • LTC491 - Differential Driver and Receiver Pair
  • LTC490 - Differential Driver and Receiver Pair
  • LT1785 - 具故障保护功能的 60V RS485/RS422 收发器
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LTC485 - 低功率 RS485 接口收发器
  • LT4320 / LT4320-1 - 理想二极管桥控制器
  • LT4363 - 具电流限制功能的高电压浪涌抑制器
  • LT5400 - 四个匹配的电阻器
  • LTC1535 - 隔离型 RS485 收发器
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