ISO15DWG4

隔离3.3 -V全和半双工RS -485收发器 ISOLATED 3.3-V FULL AND HALF-DUPLEX RS-485 TRANSCEIVERS

Description

The ISO15 is an isolated half-duplex differential line transceiver while the ISO35 is an isolated full-duplex

differential line driver and receiver for A/EIA 485/422 applications. The ISO15M and ISO35M have

extended ambient temperature ratings of –55°C to 125°C while the ISO15 and ISO35 are specified over

–40°C to 85°C.

Features

• Meets or Exceeds TIA/EIA RS-485 Requirements

• 1/8 Unit Load – Up to 256 Nodes on a Bus

• Signaling Rates up to 1 Mbps

• Thermal Shutdown Protection

• Low Bus Capacitance – 16 pF Typical

• 50 kV/μs Typical Transient Immunity

• Fail-safe Receiver for Bus Open, Short, Idle

• 3.3-V Inputs are 5-V Tolerant

• Safety and Regulatory Approvals

   – 4000-VPK VIOTM, 560-VPK VIORM per DIN V VDE V 0884-10 VDE V 0884-10:2006-12 and DIN EN 61010-1

  – 2500 VRMS Isolation Rating per UL 1577

  – 2500 VRMS Isolation Rating per CSA CA5A and IEC 60950-1

Applications

• Security Systems

• Chemical Production

• Factory Automation

• Motor and Motion Control

• HVAC and Building Automation Networks

• Networked Security Stations