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LTC1685 - 典型应用图例：
LTC1685典型应用图例一
LTC1685典型应用图例二
LTC1685 - 封装图解：
LTC1685封装图解一
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LINEAR产品 - LTC1685介绍

LTC1685 - LTC1685是52Mbps、精准延迟、RS485 故障保险收发器

LTC1685是LINEAR凌力尔特公司的一款RS485 / RS422 收发器产品，LTC1685是LTC1685是52Mbps、精准延迟、RS485 故障保险收发器，本站介绍了LTC1685的封装应用图解、特点和优点、功能等，并给出了与LTC1685相关的LINEAR元器件型号供参考。

LTC1685 - LTC1685是52Mbps、精准延迟、RS485 故障保险收发器 - RS485 / RS422 收发器 - 接口器件 - 凌力尔特

LTC1685 - 52Mbps、精准延迟、RS485 故障保险收发器

LTC1685 - 52Mbps、精准延迟、RS485 故障保险收发器 - Linear Technology（凌力尔特）

功能描述
The LTC1685 is a high speed, precision delay RS485 transceiver that can operate at data rates as high as 52Mbps. The device also meets 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 LTC1685 RS485 transceiver guarantees receiver fail-safe operation over the entire common mode range (?7V to 12V). Input resistance will remain >/=22k when the device is unpowered or disabled. The LTC1685 operates from a single 5V supply and draws only 7mA of supply current.

特点
  • Precision Propagation Delay Over Temperature: Receiver/Driver: 18.5ns ?3.5ns
  • High Data Rate: 52Mbps
  • Low tPLH/tPHL Skew: Receiver/Driver: 500ps Typ
  • -7V to 12V RS485 Input Common Mode Range
  • Guaranteed Fail-Safe Receiver Operation Over the Entire Common Mode Range
  • High Receiver 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 LTC485
  • 45dB CMRR at 26MHz
    • 应用
  • High Speed RS485/RS422 Transceivers
  • Level Translator
  • Backplane Transceiver
  • STS-1/OC-1 Data Transceiver
  • Fast-20, Fast-40 SCSI Transceivers
    • 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)
    LTC1685CS8 SO-8 C $3.40 $2.95
    LTC1685CS8#PBF SO-8 C $3.40 $2.95
    LTC1685CS8#TR SO-8 C $3.01
    LTC1685CS8#TRPBF SO-8 C $3.01
    LTC1685IS8 SO-8 I $3.80 $3.20
    LTC1685IS8#PBF SO-8 I $3.80 $3.20
    LTC1685IS8#TR SO-8 I $3.26
    LTC1685IS8#TRPBF SO-8 I $3.26
    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
  • LTC1686 - 52Mbps Precision Delay RS485 Fail-Safe Transceivers
  • LT4320 / LT4320-1 - 理想二极管桥控制器
  • LT1761 - 采用 SOT-23 封装的 100mA、低噪声、LDO 微功率稳压器
  • LTC6655 - 0.25ppm 噪声、低漂移、精准基准系列
  • LT1763 - 500mA、低噪声、LDO 微功率稳压器
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LTC1518 - High Speed, Precision Delay RS485 Quad Line Receivers
  • LT4363 - 具电流限制功能的高电压浪涌抑制器
  • LTC2850 - 3.3V 20Mbps RS485/RS422 收发器
    • 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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