THVD1428

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具有浪涌保护功能的 3.3V 至 5V RS-485 收发器

米6体育平台手机版_好二三四详情

Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (nom) (V) 3.3, 5 Signaling rate (max) (Mbps) 20 IEC 61000-4-2 contact (±V) 4000 Fault protection (V) -15 to 15 Common-mode range (V) -12 to 12 Number of nodes 256 Features Extended common mode, IEC ESD protection, Surge protection Isolated No Supply current (max) (µA) 3000 Rating Catalog Operating temperature range (°C) -40 to 125
Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (nom) (V) 3.3, 5 Signaling rate (max) (Mbps) 20 IEC 61000-4-2 contact (±V) 4000 Fault protection (V) -15 to 15 Common-mode range (V) -12 to 12 Number of nodes 256 Features Extended common mode, IEC ESD protection, Surge protection Isolated No Supply current (max) (µA) 3000 Rating Catalog Operating temperature range (°C) -40 to 125
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • 3-V to 5.5-V Supply voltage
  • Bus I/O protection
    • ± 16 kV HBM ESD
    • ± 4 kV IEC 61000-4-2 Contact discharge
    • ± 8 kV IEC 61000-4-2 Air-gap discharge
    • ± 4 kV IEC 61000-4-4 Electrical fast transient
    • ± 3 kV IEC 61000-4-5 1.2/50-µs Surge
  • Supports 20 Mbps
  • Extended ambient
    temperature range: -40°C to 125°C
  • Extended operational
    common-mode range: ± 12 V
  • Receiver hysteresis for noise rejection: 30 mV
  • Low power consumption
    • Standby supply current: < 2 µA
    • Current during operation: < 3 mA
  • Glitch-free power-up/down for hot plug-in capability
  • Open, short, and idle bus fail-safe
  • 1/8 Unit load (Up to 256 bus nodes)
  • Industry standard 8-Pin SOIC
    for drop-in compatibility
  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • 3-V to 5.5-V Supply voltage
  • Bus I/O protection
    • ± 16 kV HBM ESD
    • ± 4 kV IEC 61000-4-2 Contact discharge
    • ± 8 kV IEC 61000-4-2 Air-gap discharge
    • ± 4 kV IEC 61000-4-4 Electrical fast transient
    • ± 3 kV IEC 61000-4-5 1.2/50-µs Surge
  • Supports 20 Mbps
  • Extended ambient
    temperature range: -40°C to 125°C
  • Extended operational
    common-mode range: ± 12 V
  • Receiver hysteresis for noise rejection: 30 mV
  • Low power consumption
    • Standby supply current: < 2 µA
    • Current during operation: < 3 mA
  • Glitch-free power-up/down for hot plug-in capability
  • Open, short, and idle bus fail-safe
  • 1/8 Unit load (Up to 256 bus nodes)
  • Industry standard 8-Pin SOIC
    for drop-in compatibility

THVD1428 is a half-duplex RS-485 transceiver with integrated surge protection. Surge protection is achieved by integrating transient voltage suppressor (TVS) diodes in the standard 8-pin SOIC (D) package. This feature provides a substantial increase in reliability for better immunity to noise transients coupled to the data cable, eliminating the need for external protection components.

This device operates from a single 3.3-V or 5-V supply and features a wide common-mode voltage range which makes it suitable for multi-point applications over long cable runs.

The device is available in the industry standard SOIC package for easy drop-in without any PCB changes. The device is characterized over ambient free-air temperatures from –40°C to 125°C.

THVD1428 is a half-duplex RS-485 transceiver with integrated surge protection. Surge protection is achieved by integrating transient voltage suppressor (TVS) diodes in the standard 8-pin SOIC (D) package. This feature provides a substantial increase in reliability for better immunity to noise transients coupled to the data cable, eliminating the need for external protection components.

This device operates from a single 3.3-V or 5-V supply and features a wide common-mode voltage range which makes it suitable for multi-point applications over long cable runs.

The device is available in the industry standard SOIC package for easy drop-in without any PCB changes. The device is characterized over ambient free-air temperatures from –40°C to 125°C.

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* 数据表 THVD1428 3.3-V to 5-V RS-485 Transceiver with 3-kV Surge Protection 数据表 PDF | HTML 2019年 12月 6日

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