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LT1342 - 典型应用图例：
LT1342典型应用图例一
LT1342典型应用图例二
LT1342 - 封装图解：
LT1342封装图解一
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LINEAR产品 - LT1342介绍

LT1342 - LT1342是5V RS232 Transceiver with 3V Logic Interface

LT1342是LINEAR凌力尔特公司的一款RS232 / RS562 收发器产品，LT1342是LT1342是5V RS232 Transceiver with 3V Logic Interface，本站介绍了LT1342的封装应用图解、特点和优点、功能等，并给出了与LT1342相关的LINEAR元器件型号供参考。

LT1342 - LT1342是5V RS232 Transceiver with 3V Logic Interface - RS232 / RS562 收发器 - 接口器件 - 凌力尔特

LT1342 - 5V RS232 Transceiver with 3V Logic Interface

LT1342 - 5V RS232 Transceiver with 3V Logic Interface - Linear Technology（凌力尔特）

功能描述
The LT®1342 is an advanced low power three-driver, five-receiver RS232 transceiver. The LT1342 operates from a 5V supply and a 3V logic supply. Receiver outputs can interface directly to 3V logic circuits. Included on the chip is a shutdown pin for reducing supply current to near zero. All receivers and drivers assume high impedance states during shutdown.The driver disable function provides additional control of operating mode. When driver disable is high the charge pump and drivers turn off. Receivers continue to operate during driver disable.New ESD structures on the chip allow the LT1342 to survive multiple ±10kV strikes, eliminating the need for costly TransZorbs® on the RS232 line pins.The LT1342 is fully compliant with all EIA RS232 specifications and operates in excess of 120kbaud even driving heavy capacitive loads.
特点
  • ESD Protection Over ±10kV
  • 3V Logic Interface
  • Uses Small Capacitors: 0.1µF, 0.2µF
  • 1µA Supply Current in Shutdown
  • Low Power Driver Disable Operating Mode
  • Pin Compatible with LT1137A
  • 120kBaud Operation for RL = 3k, CL = 2500pF
  • 250kBaud Operation for RL = 3k, CL = 1000pF
  • CMOS Comparable Low Power: 60mW
  • Easy PC Layout: Flowthrough Architecture
  • Rugged Bipolar Design
  • Outputs Assume a High Impedance State When Off or Powered Down
  • Absolutely No Latch-Up
    • 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)
    LT1342CG SSOP-28 C $5.17 $4.10
    LT1342CG#PBF SSOP-28 C $5.17 $4.10
    LT1342CG#TR SSOP-28 C $4.20
    LT1342CG#TRPBF SSOP-28 C $4.20
    LT1342CNW NW-28 C $4.75 $3.75
    LT1342CNW#PBF NW-28 C $4.75 $3.75
    LT1342CSW SW-28 C $4.75 $3.75
    LT1342CSW#PBF SW-28 C $4.75 $3.75
    LT1342CSW#TR SW-28 C $3.85
    LT1342CSW#TRPBF SW-28 C $3.85
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LT1330 - 具 3V 逻辑接口并有一个接收器在停机模式中处于运行状态的 5V RS232 收发器
  • LT3761 - 具内部 PWM 发生器的 60VIN LED控制器
  • LTM2882 - 双通道、隔离型 RS232 μModule 收发器 + 电源
  • LT1028 - 超低噪声、精准型高速运算放大器
  • LT3796 - 具双电流检测的 100V 恒定电流和恒定电压控制器
  • LTC1348 - 3.3V/5V Low Power RS232 3-Driver/5-Receiver Transceiver
  • LT4363 - 具电流限制功能的高电压浪涌抑制器
  • LTC1624 - High Efficiency SO-8 N-Channel Switching Regulator Controller
  • LTC2804 - 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)
    • 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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