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

SN65HVD55

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Controlador y receptor RS-485 de dúplex completo con salida alta y con capacidad de activación

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SN65HVD55

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Detalles del producto

Number of receivers 1 Number of transmitters 1 Duplex Full Supply voltage (nom) (V) 5 Signaling rate (max) (Mbps) 1 Fault protection (V) -9 to 14 Common-mode range (V) -7 to 12 Number of nodes 256 Isolated No Supply current (max) (µA) 8000 Rating Catalog Operating temperature range (°C) -40 to 85
Number of receivers 1 Number of transmitters 1 Duplex Full Supply voltage (nom) (V) 5 Signaling rate (max) (Mbps) 1 Fault protection (V) -9 to 14 Common-mode range (V) -7 to 12 Number of nodes 256 Isolated No Supply current (max) (µA) 8000 Rating Catalog Operating temperature range (°C) -40 to 85
SOIC (D) 14 51.9 mm² 8.65 x 6
  • 1/8 Unit-load option available (up to 256 nodes on the bus)
  • Bus-pin ESD protection exceeds 15 kV HBM
  • Optional driver output transition times for signaling rates(1) of 1 Mbps, 5 Mbps and 25 Mbps
  • Low-current standby mode < 1 µA
  • Glitch-free power-up and power-down bus I/Os
  • Bus idle, open, and short circuit failsafe
  • Designed for RS-422 and RS485 networks
  • 3.3-V Devices available, SN65HVD30-35 (1)

(1)The signaling rate of a line is the number of voltage transitions that are made per second expressed in the units bps (bits per second).
  • 1/8 Unit-load option available (up to 256 nodes on the bus)
  • Bus-pin ESD protection exceeds 15 kV HBM
  • Optional driver output transition times for signaling rates(1) of 1 Mbps, 5 Mbps and 25 Mbps
  • Low-current standby mode < 1 µA
  • Glitch-free power-up and power-down bus I/Os
  • Bus idle, open, and short circuit failsafe
  • Designed for RS-422 and RS485 networks
  • 3.3-V Devices available, SN65HVD30-35 (1)

(1)The signaling rate of a line is the number of voltage transitions that are made per second expressed in the units bps (bits per second).

The SN65HVD5X devices are 3-state differential line drivers and differential-input line receivers that operate with a 5-V power supply. Each driver and receiver has separate input and output pins for full-duplex bus communication designs. They are designed for balanced transmission lines and interoperation with ANSI TIA/EIA-485A, TIA/EIA-422-B, ITU-T v.11 and ISO 8482:1993 standard-compliant devices.

The SN65HVD50, SN65HVD51, and SN65HVD52 are fully enabled with no external enabling pins.

The SN65HVD53, SN65HVD54, and SN65HVD55 have active-high driver enables and active-low receiver enables. A low, less than 1 µA, standby current is achieved by disabling both the driver and receiver.

All devices are characterized for operation from –40°C to 85°C.

The high output feature of the SN65HVD5x provides more noise margin than the typical RS-485 drivers. The extra noise margin makes applications in long cable and harsh noise environments possible.

The SN65HVD5X devices are 3-state differential line drivers and differential-input line receivers that operate with a 5-V power supply. Each driver and receiver has separate input and output pins for full-duplex bus communication designs. They are designed for balanced transmission lines and interoperation with ANSI TIA/EIA-485A, TIA/EIA-422-B, ITU-T v.11 and ISO 8482:1993 standard-compliant devices.

The SN65HVD50, SN65HVD51, and SN65HVD52 are fully enabled with no external enabling pins.

The SN65HVD53, SN65HVD54, and SN65HVD55 have active-high driver enables and active-low receiver enables. A low, less than 1 µA, standby current is achieved by disabling both the driver and receiver.

All devices are characterized for operation from –40°C to 85°C.

The high output feature of the SN65HVD5x provides more noise margin than the typical RS-485 drivers. The extra noise margin makes applications in long cable and harsh noise environments possible.
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Documentación técnica

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* Data sheet SN65HVD5x High Output Full-Duplex RS-485 Drivers and Receivers datasheet (Rev. F) PDF | HTML 11 mar 2023

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