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LTC1687 - 典型应用图例：
LTC1687典型应用图例一
LTC1687典型应用图例二
LTC1687 - 封装图解：
LTC1687封装图解一
LTC1687封装图解二
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LINEAR产品 - LTC1687介绍

LTC1687 - LTC1687是52Mbps Precision Delay RS485 Fail-Safe Transceivers

LTC1687是LINEAR凌力尔特公司的一款RS485 / RS422 收发器产品，LTC1687是LTC1687是52Mbps Precision Delay RS485 Fail-Safe Transceivers，本站介绍了LTC1687的封装应用图解、特点和优点、功能等，并给出了与LTC1687相关的LINEAR元器件型号供参考。

LTC1687 - LTC1687是52Mbps Precision Delay RS485 Fail-Safe Transceivers - RS485 / RS422 收发器 - 接口器件 - 凌力尔特

LTC1687 - 52Mbps Precision Delay RS485 Fail-Safe Transceivers

LTC1687 - 52Mbps Precision Delay RS485 Fail-Safe Transceivers - Linear Technology（凌力尔特）

功能描述
The LTC?1686/LTC1687 are high speed, precision delay, full-duplex RS485 transceivers that can operate at data rates as high as 52Mbps. The devices also meet the requirements of RS422.A unique architecture provides very stable propagation delays and low skew over a wide common mode and ambient temperature range.The driver and receiver feature three-state outputs, with disabled driver outputs maintaining high impedance over the entire common mode range. A short-circuit feature detects shorted outputs and substantially reduces driver output current. A similar feature also protects the receiver output from short circuits. Thermal shutdown circuitry protects from excessive power dissipation.The receiver has a fail-safe feature that guarantees a high output state when the inputs are shorted or are left floating. The LTC1686/LTC1687 RS485 transceivers guarantee receiver fail-safe operation over the entire common mode range (?7V to 12V). Receiver input resistance remains ?22k when the device is unpowered or disabled. The LTC1686/LTC1687 operate from a single 5V supply and draw only 7mA of supply current.
特点
  • Precision Propagation Delay Over Temperature: Receiver/Driver: 18.5ns ?3.5ns
  • High Data Rate: 52Mbps
  • Low tPLH/tPLH Skew: Receiver/Driver: 500ps Typ
  • ?7V to 12V RS485 Input Common Mode Range
  • Guaranteed Fail-Safe Operation Over the Entire Common Mode Range
  • High Input Resistance: ?22k, Even When Unpowered
  • Short-Circuit Protected
  • Thermal Shutdown Protected
  • Driver Maintains High Impedance in Three-State or with Power Off
  • Single 5V Supply
  • Pin Compatible with LTC490/LTC491
  • 45dB CMRR at 26MHz
    • 应用
  • High Speed RS485/RS422 Full Duplex Transceivers
  • Level Translator
  • Backplane Transceiver
  • STS-1/OC-1 Data Transceiver
  • Signal Repeaters
    • 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)
    LTC1687CS SO-14 C $5.15 $4.20
    LTC1687CS#PBF SO-14 C $5.15 $4.20
    LTC1687CS#TR SO-14 C $4.26
    LTC1687CS#TRPBF SO-14 C $4.26
    LTC1687IS SO-14 I $5.50 $4.75
    LTC1687IS#PBF SO-14 I $5.50 $4.75
    LTC1687IS#TR SO-14 I $4.81
    LTC1687IS#TRPBF SO-14 I $4.81
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LTC1686 - 52Mbps Precision Delay RS485 Fail-Safe Transceivers
  • LTM2881 - 完整的隔离型 RS485 / RS422 μModule 收发器和电源
  • LT5400 - 四个匹配的电阻器
  • LTC2862 - 具 ±60V 故障保护功能的 3V 至 5.5V RS485 / RS422 收发器
  • LTC1685 - 52Mbps、精准延迟、RS485 故障保险收发器
  • LTC1518 - High Speed, Precision Delay RS485 Quad Line Receivers
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LT1763 - 500mA、低噪声、LDO 微功率稳压器
  • LT1963A - 1.5A、低噪声、快速瞬态响应 LDO 稳压器
  • LT8471 - 具 2A 开关和同步功能的双通道、多拓扑 DC/DC 转换器
    • 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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