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LTC1349 - 典型应用图例：
LTC1349典型应用图例一
LTC1349典型应用图例二
LTC1349 - 封装图解：
LTC1349封装图解一
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LINEAR产品 - LTC1349介绍

LTC1349 - LTC1349是5V Low Power RS232 3-Driver/5-Receiver Transceiver with 2 Receivers Active in Shutdown

LTC1349是LINEAR凌力尔特公司的一款RS232 / RS562 收发器产品，LTC1349是LTC1349是5V Low Power RS232 3-Driver/5-Receiver Transceiver with 2 Receivers Active in Shutdown，本站介绍了LTC1349的封装应用图解、特点和优点、功能等，并给出了与LTC1349相关的LINEAR元器件型号供参考。

LTC1349 - LTC1349是5V Low Power RS232 3-Driver/5-Receiver Transceiver with 2 Receivers Active in Shutdown - RS232 / RS562 收发器 - 接口器件 - 凌力尔特

LTC1349 - 5V Low Power RS232 3-Driver/5-Receiver Transceiver with 2 Receivers Active in Shutdown

LTC1349 - 5V Low Power RS232 3-Driver/5-Receiver Transceiver with 2 Receivers Active in Shutdown - Linear Technology（凌力尔特）

功能描述

The LTC?1349 is a 3-driver/ 5-receiver RS232 transceiver with very low supply current. In the no load condition, the supply current is only 300μA. The charge pump only requires four 0.1μF capacitors.

In Shutdown mode, two receivers are kept alive and the supply current is 35μA. All RS232 outputs assume a high impedance state in Shutdown and with the power off.

The LTC1349 is fully compliant with all data rate and overvoltage RS232 specifications. The transceiver canoperate up to 120k baud with a 2500pF, 3k ohms load. Both driver outputs and receiver inputs can be forced to ?25V without damage, and can survive multiple ±10kV ESD strikes.

特点
  • Low Supply Current: 300μA
  • Two Receivers Kept Alive in Shutdown
  • ESD Protection Over ±10kV
  • Operates from a Single 5V Supply
  • Uses Small Capacitors: 0.1µF
  • Operates to 120k Baud
  • Three-State Outputs Are High Impedance When Off
  • Output Overvoltage Does Not Force Current Back into Supplies
  • RS232 I/O Lines Can Be Forced to ±25V Without Damage
  • Pin Compatible with LT1137A and LT1237
  • Flowthrough Architecture
    • 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)
    LTC1349CG SSOP-28 C $6.35 $4.95
    LTC1349CG#PBF SSOP-28 C $6.35 $4.95
    LTC1349CG#TR SSOP-28 C $5.05
    LTC1349CG#TRPBF SSOP-28 C $5.05
    LTC1349CNW NW-28 C $5.85 $4.60
    LTC1349CNW#PBF NW-28 C $5.85 $4.60
    LTC1349CSW SW-28 C $5.85 $4.60
    LTC1349CSW#PBF SW-28 C $5.85 $4.60
    LTC1349CSW#TR SW-28 C $4.70
    LTC1349CSW#TRPBF SW-28 C $4.70
    LTC1349IG SSOP-28 I $6.90 $5.45
    LTC1349IG#PBF SSOP-28 I $6.90 $5.45
    LTC1349IG#TR SSOP-28 I $5.55
    LTC1349IG#TRPBF SSOP-28 I $5.55
    LTC1349INW NW-28 I $6.40 $5.05
    LTC1349INW#PBF NW-28 I $6.40 $5.05
    LTC1349ISW SW-28 I $6.40 $5.05
    LTC1349ISW#PBF SW-28 I $6.40 $5.05
    LTC1349ISW#TR SW-28 I $5.15
    LTC1349ISW#TRPBF SW-28 I $5.15
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  • LTM2882 - 双通道、隔离型 RS232 μModule 收发器 + 电源
  • LTC1348 - 3.3V/5V Low Power RS232 3-Driver/5-Receiver Transceiver
  • LTC1384 - 5V Low Power RS232 Transceiver with 2 Receivers Active in Shutdown
  • LTC2870 - 具集成型终端的 RS232 / RS485 多协议收发器
  • LT3796 - 具双电流检测的 100V 恒定电流和恒定电压控制器
  • LTC4000-1 - 具最大功率点控制功能以为电池充电的高电压、大电流控制器
  • LT8300 - 具 150V/260mA 开关的 100VIN 微功率隔离型反激式转换器
  • LT1028 - 超低噪声、精准型高速运算放大器
  • LTC4000 - 用于电池充电和电源管理的高电压、大电流控制器
  • LT3761 - 具内部 PWM 发生器的 60VIN LED控制器
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