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SN65HVD1791 - 产品图解：
SN65HVD1791-具有故障保护功能的 70V RS-485 全双工收发器，共模范围从 -20 至 +25
SN65HVD1791--RS-485收发器-接口
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TI产品 - SN65HVD1791介绍

SN65HVD1791 - 具有故障保护功能的 70V RS-485 全双工收发器，共模范围从 -20 至 +25

SN65HVD1791是TI德州仪器公司的一款无产品，SN65HVD1791是具有故障保护功能的 70V RS-485 全双工收发器，共模范围从 -20 至 +25，本站介绍了SN65HVD1791的封装应用图解、特点和优点、功能等，并给出了与SN65HVD1791相关的TI元器件型号供参考。

SN65HVD1791 - 具有故障保护功能的 70V RS-485 全双工收发器，共模范围从 -20 至 +25 - 无 - RS-485收发器 - 德州仪器

产品特性
  • Bus-Pin Fault Protection to:
    • > ±70 V ('HVD1785, 86, 91, 92)
    • > ±30 V ('HVD1787, 93)
  • Common-Mode Voltage Range (–20 V to 25 V) More Than Doubles TIA/EIA 485 Requirement
  • Bus I/O Protection
    • ±16 kV JEDEC HBM Protection
  • Reduced Unit Load for Up to 256 Nodes
  • Failsafe Receiver for Open-Circuit, Short-Circuit and Idle-Bus Conditions
  • Low Power Consumption
    • Low Standby Supply Current, 1 μA Typical
    • ICC 5 mA Quiescent During Operation
  • Power-Up, Power-Down Glitch-Free Operation
产品应用
  • Designed for RS-485 and RS-422 Networks
产品说明

These devices are designed to survive overvoltage faults such as direct shorts to power supplies, mis-wiring faults, connector failures, cable crushes, and tool mis-applications. They are also robust to ESD events, with high levels of protection to human-body model specifications.

These devices combine a differential driver and a differential receiver, which operate from a single power supply. In the 'HVD1785, 'HVD1786, and 'HVD1787, the driver differential outputs and the receiver differential inputs are connected internally to form a bus port suitable for half-duplex (two-wire bus) communication. In the 'HVD1793, the driver differential outputs and the receiver differential inputs are separate pins, to form a bus port suitable for full-duplex (four-wire bus) communication. These ports feature a wide common-mode voltage range, making the devices suitable for multipoint applications over long cable runs. These devices are characterized from –40°C to 105°C.

For similar features with 3.3-V supply operation, see the SN65HVD1781 (SLLS877).

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
SN65HVD1785, SN65HVD1786, SN65HVD1787SOIC (8)4.90 mm × 3.91 mm
PDIP (8)9.81 mm × 6.35 mm
SN65HVD1791, SN65HVD1792, SN65HVD1793SOIC (14)8.65 mm × 3.91 mm
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