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LTC1485 - 典型应用图例：
LTC1485典型应用图例一
LTC1485 - 封装图解：
LTC1485封装图解一
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LINEAR产品 - LTC1485介绍

LTC1485 - LTC1485是Differential Bus Transceiver

LTC1485是LINEAR凌力尔特公司的一款RS485 / RS422 收发器产品，LTC1485是LTC1485是Differential Bus Transceiver，本站介绍了LTC1485的封装应用图解、特点和优点、功能等，并给出了与LTC1485相关的LINEAR元器件型号供参考。

LTC1485 - LTC1485是Differential Bus Transceiver - RS485 / RS422 收发器 - 接口器件 - 凌力尔特

LTC1485 - Differential Bus Transceiver

LTC1485 - Differential Bus Transceiver - Linear Technology（凌力尔特）

功能描述

The LTC1485 is a low power differential bus/line transceiver designed for multipoint data transmission standard RS485 applications with extended common-mode range (12V to – 7V). It also meets the requirements of RS422.

The CMOS with Schottky design offers significant power savings over its bipolar counterpart without sacrificing ruggedness against overload or ESD damage.

The driver and receiver feature three-state outputs, with the driver outputs maintaining high impedance over the entire common-mode range. 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. I/O pins are protected against multiple ESD strikes of over ±10kV.

The receiver has a fail-safe feature which guarantees a high output state when the inputs are left open.

Both AC and DC specifications are guaranteed from –40°C to 85°C and 4.75V to 5.25V supply voltage range.

特点
  • ESD Protection over ±10kV
  • Low Power: ICC= 1.8mA Typ
  • 28ns Typical Driver Propagation Delays with 4ns Skew
  • Designed for RS485 or RS422 Applications
  • Single 5V Supply
  • -7V to 12V Bus Common-Mode Range Permits ±7V Ground Difference Between Devices on the Bus
  • Thermal Shutdown Protection
  • Power-Up/Down Glitch-Free Driver Outputs
  • Driver Maintains High Impedance in Three-State or with the Power Off
  • Combined Impedance of a Driver Output and Receiver Allows up to 32 Transceivers on the Bus
  • 60mV Typical Input Hysteresis
  • Pin Compatible with the SN75176A, DS75176A, and SN75LBC176
    • 应用
  • Low Power RS485/RS422 Transceiver
  • Level Translator
    • 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)
    LTC1485CN8 N-8 C $2.00 $1.60
    LTC1485CN8#PBF N-8 C $2.00 $1.60
    LTC1485CS8 SO-8 C $2.25 $1.80
    LTC1485CS8#PBF SO-8 C $2.25 $1.80
    LTC1485CS8#TR SO-8 C $1.86
    LTC1485CS8#TRPBF SO-8 C $1.86
    LTC1485IN8 N-8 I $2.65 $2.20
    LTC1485IN8#PBF N-8 I $2.65 $2.20
    LTC1485IS8 SO-8 I $3.00 $2.45
    LTC1485IS8#PBF SO-8 I $3.00 $2.45
    LTC1485IS8#TR SO-8 I $2.51
    LTC1485IS8#TRPBF SO-8 I $2.51
    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
  • LTC485 - 低功率 RS485 接口收发器
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LT1785 - 具故障保护功能的 60V RS485/RS422 收发器
  • LT4320 / LT4320-1 - 理想二极管桥控制器
  • LT5400 - 四个匹配的电阻器
  • LTM2883 - 具可调 ±12.5V 和 5V 稳定电源的 SPI / 数字或 I2C μModule 隔离器
  • LT1763 - 500mA、低噪声、LDO 微功率稳压器
  • LT3092 - 200mA、两端可编程电流源
  • LT3081 - 具监视器的 1.5A 单电阻器坚固型线性稳压器
    • 下面可能是您感兴趣的凌力尔特公司RS485 / RS422 收发器元器件
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