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LT1237 - 典型应用图例：
LT1237典型应用图例一
LT1237典型应用图例二
LT1237 - 封装图解：
LT1237封装图解一
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LINEAR产品 - LT1237介绍

LT1237 - LT1237是5V RS232 Transceiver with Advanced Power Management and One Receiver Active in Shutdown

LT1237是LINEAR凌力尔特公司的一款RS232 / RS562 收发器产品，LT1237是LT1237是5V RS232 Transceiver with Advanced Power Management and One Receiver Active in Shutdown，本站介绍了LT1237的封装应用图解、特点和优点、功能等，并给出了与LT1237相关的LINEAR元器件型号供参考。

LT1237 - LT1237是5V RS232 Transceiver with Advanced Power Management and One Receiver Active in Shutdown - RS232 / RS562 收发器 - 接口器件 - 凌力尔特

LT1237 - 5V RS232 Transceiver with Advanced Power Management and One Receiver Active in Shutdown

LT1237 - 5V RS232 Transceiver with Advanced Power Management and One Receiver Active in Shutdown - Linear Technology（凌力尔特）

功能描述
The LT®1237 is an advanced low power three driver, five receiver RS232 transceiver. Included on the chip is a shutdown pin for reducing supply current near zero. During shutdown one receiver remains active to detect incoming RS232 signals, for example, to wake up a system.The LT1237 is fully compliant with all EIA RS232 specifications. New ESD structures on the chip allow the LT1237 to survive multiple ±15kV strikes, eliminating the need for costly TransZorbs® on the RS232 line pins.The LT1237 operates in excess of 120kbaud even driving heavy capacitive loads. Two shutdown modes allow the driver outputs to be shut down separately from the receivers for more versatile control of the RS232 interface. During shutdown, drivers and receivers assume a high impedance state.
特点
  • One Receiver Remains Active While in Shutdown
  • ESD Protection over ±15kV
  • Uses Small Capacitors: 0.1µF, 0.2µF, 1.0µF
  • 60µA Supply Current in Shutdown
  • Pin-Compatible with LT1137A
  • 120kBaud Operation for RL = 3k, CL = 2500pF
  • 250kBaud Operation for RL = 3k, CL = 1000pF
  • Operates to 120kBaud
  • CMOS Comparable Low Power 30mW
  • Operates from a Single 5V Supply
  • Easy PC Layout ? Flowthrough Architecture
  • Rugged Bipolar Design
  • Outputs Assume a High Impedance State When Off or Powered Down
  • Absolutely No Latchup
  • Available in SO and SSOP Packages
    • 应用
  • Notebook Computers
  • Palmtop Computers
    • 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)
    LT1237CG SSOP-28 C $5.42 $4.20
    LT1237CG#PBF SSOP-28 C $5.42 $4.20
    LT1237CG#TR SSOP-28 C $4.30
    LT1237CG#TRPBF SSOP-28 C $4.30
    LT1237CNW NW-28 C $4.92 $3.90
    LT1237CNW#PBF NW-28 C $4.92 $3.90
    LT1237CSW SW-28 C $4.92 $3.90
    LT1237CSW#PBF SW-28 C $4.92 $3.90
    LT1237CSW#TR SW-28 C $4.00
    LT1237CSW#TRPBF SW-28 C $4.00
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  • LT3477 - 具有双通道轨至轨电流检测功能的 3A、DC/DC 转换器
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  • 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
  • LT1117 - 具可调和固定 2.85V、3.3V、5V 输出的 800mA 低压差正稳压器
  • LTC3112 - 15V、2.5A 同步降压-升压型 DC/DC 转换器
  • LT1083 7.5A 低压差正可调稳压器
  • LT1076 - 降压型开关稳压器
    • 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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