Inicio Interfaz Transceptores RS-485 y RS-422
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Interfaz
Transceptores RS-485 y RS-422
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THVD2429

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Transceptor RS-485 de 3 V a 5.5 V y 20 Mbps con sobretensión de 2.5k V y protección contra fallas

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THVD2429

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Detalles del producto

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) 8000 Fault protection (V) -42 to 42 Common-mode range (V) -25 to 25 Number of nodes 256 Features Extended common mode, IEC ESD protection, Surge protection Isolated No Supply current (max) (µA) 5000 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) 8000 Fault protection (V) -42 to 42 Common-mode range (V) -25 to 25 Number of nodes 256 Features Extended common mode, IEC ESD protection, Surge protection Isolated No Supply current (max) (µA) 5000 Rating Catalog Operating temperature range (°C) -40 to 125
VSON (DRC) 10 9 mm² 3 x 3
  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • 3V to 5.5V Supply Voltage
  • Industry’s smallest surge-integrated RS-485 device in 9mm2 package
  • VIO Support from 1.65V to VCC supply level
  • Bus I/O protection
    • ± 3kV/42Ω IEC 61000-4-5 1.2/50µs surge (SOIC)
    • ± 1.5kV/42Ω IEC 61000-4-5 1.2/50µs surge (VSON)
    • ± 8kV IEC 61000-4-2 Contact discharge
    • ± 4kV IEC 61000-4-4 Electrical fast transient
    • ± 15kV HBM ESD
    • ± 42V DC bus fault
  • Available in two speed grades
    • THVD2419: 250kbps
    • THVD2429: 20Mbps
  • Extended ambient temperature range: -40°C to 125°C
  • Extended operational common-mode range: ± 25V
  • Large receiver hysteresis for noise rejection
  • Low power consumption in shutdown mode: < 5µA
  • Glitch-free power-up and down for hot plug-in capability
  • Open, short, and idle bus failsafe
  • 1/8 Unit load (up to 256 bus nodes)
  • Industry standard 8-pin SOIC for drop-in compatibility
  • Small surge-integrated RS-485 device in 3mm x 3mm leadless (VSON) package
  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • 3V to 5.5V Supply Voltage
  • Industry’s smallest surge-integrated RS-485 device in 9mm2 package
  • VIO Support from 1.65V to VCC supply level
  • Bus I/O protection
    • ± 3kV/42Ω IEC 61000-4-5 1.2/50µs surge (SOIC)
    • ± 1.5kV/42Ω IEC 61000-4-5 1.2/50µs surge (VSON)
    • ± 8kV IEC 61000-4-2 Contact discharge
    • ± 4kV IEC 61000-4-4 Electrical fast transient
    • ± 15kV HBM ESD
    • ± 42V DC bus fault
  • Available in two speed grades
    • THVD2419: 250kbps
    • THVD2429: 20Mbps
  • Extended ambient temperature range: -40°C to 125°C
  • Extended operational common-mode range: ± 25V
  • Large receiver hysteresis for noise rejection
  • Low power consumption in shutdown mode: < 5µA
  • Glitch-free power-up and down for hot plug-in capability
  • Open, short, and idle bus failsafe
  • 1/8 Unit load (up to 256 bus nodes)
  • Industry standard 8-pin SOIC for drop-in compatibility
  • Small surge-integrated RS-485 device in 3mm x 3mm leadless (VSON) package

THVD24x9 devices are half-duplex RS-485 transceivers with integrated surge protection. Surge protection is achieved by integrating transient voltage suppressor (TVS) diodes in the standard 8-pin SOIC (D) package as well as small 10-pin VSON package. This feature increases the reliability by providing better immunity to noise transients coupled to the data cable which eliminates the need for external protection components.

THVD24x9 devices in the standard pin-out SOIC package operate from a single 3.3V or 5V supply. In addition, THVD24x9 devices in 10-pin VSON package support an additional VIO supply to operate the IOs from as low as 1.65V supply level. The devices in this family feature a wide common-mode voltage range making them suitable for multi-point applications over long cable runs.

THVD24x9 devices are half-duplex RS-485 transceivers with integrated surge protection. Surge protection is achieved by integrating transient voltage suppressor (TVS) diodes in the standard 8-pin SOIC (D) package as well as small 10-pin VSON package. This feature increases the reliability by providing better immunity to noise transients coupled to the data cable which eliminates the need for external protection components.

THVD24x9 devices in the standard pin-out SOIC package operate from a single 3.3V or 5V supply. In addition, THVD24x9 devices in 10-pin VSON package support an additional VIO supply to operate the IOs from as low as 1.65V supply level. The devices in this family feature a wide common-mode voltage range making them suitable for multi-point applications over long cable runs.
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* Data sheet THVD24x9 3V to 5.5V RS-485 Transceivers With Integrated Surge and High Bus-Fault Protection in Small Packages datasheet (Rev. A) PDF | HTML 12 ago 2024
Application note Simplifying Surge Protection for RS-485 Using Integrated Designs PDF | HTML 20 may 2024

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