Texas Instruments THVD15xx RS-485/RS-422收发器

Texas Instruments THVD15xx RS-485/RS-422收发器具有防噪特性,设计用于在恶劣的工业环境下工作。这些器件的总线引脚可耐受高级别的IEC电气快速瞬变 (EFT) 和IEC静电放电 (ESD) 事件,因此无需使用其他系统级保护元件。THVD15xx器件由5V单电源供电。这些器件具有较宽的共模电压范围,因此适合用于长电缆传输中的多点应用。

特性

  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • 4.5V to 5.5V supply voltage
  • Integrated Bus I/O protection
    • ±30kV HBM ESD
    • ±18kV IEC 61000-4-2 ESD contact discharge
    • ±25kV IEC 61000-4-2 ESD air-gap discharge
    • ±4kV IEC 61000-4-4 Electrical Fast Transient
  • ±15V Extended operational common-mode
  • Low EMI 500kbps and 50Mbps data rates
  • -40°C to 125°C Extended temperature range
  • Large receiver hysteresis for noise rejection
  • Low power consumption:
    • < 1µA Low standby supply current
    • < 1mA Current during operation
  • Glitch-free power-up/down for hot plug-in capability
  • Open, short, and idle bus failsafe
  • 1/8 unit load options (Up to 256 Bus Nodes)
  • Small-size VSSOP packages save board space or SOIC for drop-in compatibility

应用

  • Motor drives
  • Factory automation and control
  • Grid infrastructure
  • Building automation
  • HVAC systems
  • Video surveillance
  • Process analytics
  • Telecom infrastructure

Functional Block Diagram

框图 - Texas Instruments THVD15xx RS-485/RS-422收发器
发布日期: 2017-10-27 | 更新日期: 2024-02-23