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LTC1689 - 典型应用图例：
LTC1689典型应用图例一
LTC1689典型应用图例二
LTC1689 - 封装图解：
LTC1689封装图解一
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LINEAR产品 - LTC1689介绍

LTC1689 - LTC1689是100Mbps RS485 Hot Swapable Quad Drivers

LTC1689是LINEAR凌力尔特公司的一款RS485 / RS422 收发器产品，LTC1689是LTC1689是100Mbps RS485 Hot Swapable Quad Drivers，本站介绍了LTC1689的封装应用图解、特点和优点、功能等，并给出了与LTC1689相关的LINEAR元器件型号供参考。

LTC1689 - LTC1689是100Mbps RS485 Hot Swapable Quad Drivers - RS485 / RS422 收发器 - 接口器件 - 凌力尔特

LTC1689 - 100Mbps RS485 Hot Swapable Quad Drivers

LTC1689 - 100Mbps RS485 Hot Swapable Quad Drivers - Linear Technology（凌力尔特）

功能描述

The LTC1688/LTC1689 are ultrahigh speed, differential bus/line drivers that can operate at data rates up to 100Mbps. Propagation delay is guaranteed at 8ns ±4ns over the full operating temperature range. These devices operate over the full RS485 common mode range (–7V to 12V), and also meet RS422 requirements.

The driver outputs are Hot Swap capable, maintaining backplane data integrity during board insertion and removal. The drivers feature three-state outputs, maintaining high impedance over the entire common mode range (– 7V to 12V). Outputs also remain high impedance during power-up and with the power off. A short-circuit feature detects bus contention and substantially reduces driver output current. Thermal shutdown circuitry protects the parts from excessive power dissipation.

The LTC1688 allows all four drivers to be enabled together, while the LTC1689 allows two drivers at a time to be enabled.

The LTC1688/LTC1689 operate from a single 5V or 3V supply and draw only 9mA of supply current.

特点
  • Ultrahigh Speed:100Mbps
  • Guaranteed Propagation Delay: 8ns ±4ns Over Temperature
  • Low Channel-to-Channel Skew: 500ps Typ
  • Hot Swap™ Capable
  • 50Mbps Operation with VDD = 3V
  • Low tPLH/tPHL Skew: 500ps Typ
  • Driver Outputs Maintain High Impedance in Three-State or with Power Off
  • Short-Circuit Protected: 3mA Typ Output Current for an Indefinite Short
  • Thermal Shutdown Protected
  • Single 5V or 3V Supply
  • Pin Compatible with LTC486/LTC487
    • 应用
  • High Speed RS485 Twisted-Pair Drivers
  • High Speed Backplane Drivers
  • Complementary Clock Drivers
  • STS-1/OC-1 Data Drivers
  • SCSI Drivers
    • 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)
    LTC1689CS SO-16 C $5.80 $4.95
    LTC1689CS#PBF SO-16 C $5.80 $4.95
    LTC1689CS#TR SO-16 C $5.01
    LTC1689CS#TRPBF SO-16 C $5.01
    LTC1689IS SO-16 I $7.75 $5.65
    LTC1689IS#PBF SO-16 I $7.75 $5.65
    LTC1689IS#TR SO-16 I $5.71
    LTC1689IS#TRPBF SO-16 I $5.71
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LTC1688 - 100Mbps RS485 Hot Swapable Quad Drivers
  • LTC1518 - High Speed, Precision Delay RS485 Quad Line Receivers
  • LTC487 - 四通道、低功率 RS485 驱动器
  • LT4320 / LT4320-1 - 理想二极管桥控制器
  • LTM2881 - 完整的隔离型 RS485 / RS422 μModule 收发器和电源
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LTC6655 - 0.25ppm 噪声、低漂移、精准基准系列
  • LT8705 - 80V VIN 和 VOUT 同步、四开关、降压-升压型 DC/DC 控制器
  • LT8471 - 具 2A 开关和同步功能的双通道、多拓扑 DC/DC 转换器
  • LTC486 - 四通道、低功率 RS485 驱动器
    • 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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