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

SN65HVD08

ACTIVO

Transceptor RS-485 de 3.3/5 V

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SN65HVD08

ACTIVO
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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) 10 Fault protection (V) -9 to 14 Common-mode range (V) -7 to 12 Number of nodes 256 Isolated No Supply current (max) (µA) 16000 Rating Catalog Operating temperature range (°C) -40 to 85
Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (nom) (V) 3.3, 5 Signaling rate (max) (Mbps) 10 Fault protection (V) -9 to 14 Common-mode range (V) -7 to 12 Number of nodes 256 Isolated No Supply current (max) (µA) 16000 Rating Catalog Operating temperature range (°C) -40 to 85
PDIP (P) 8 92.5083 mm² 9.81 x 9.43 SOIC (D) 8 29.4 mm² 4.9 x 6
  • Operates with a 3-V to 5.5-V supply
  • Consumes less than 90-mW Quiescent power
  • Open-circuit, short-circuit, and idle-bus failsafe receiver
  • 1/8th Unit-load (up to 256 nodes on the bus)
  • Bus-pin ESD protection exceeds 16-kV HBM
  • Driver output voltage slew-rate limited for optimum signal quality at 10 Mbps
  • Electrically compatible with ANSI TIA/EIA-485 standard
  • Operates with a 3-V to 5.5-V supply
  • Consumes less than 90-mW Quiescent power
  • Open-circuit, short-circuit, and idle-bus failsafe receiver
  • 1/8th Unit-load (up to 256 nodes on the bus)
  • Bus-pin ESD protection exceeds 16-kV HBM
  • Driver output voltage slew-rate limited for optimum signal quality at 10 Mbps
  • Electrically compatible with ANSI TIA/EIA-485 standard

The SN65HVD08 combines a 3-state differential line driver and differential line receiver designed for balanced data transmission and interoperation with ANSI TIA/EIA-485-A and ISO-8482E standard-compliant devices.

The wide supply voltage range and low quiescent current requirements allow the SN65HVD08s to operate from a 5-V power bus in the cable with as much as a 2-V line voltage drop. Busing power in the cable can alleviate the need for isolated power to be generated at each connection of a ground-isolated bus.

The driver differential outputs and receiver differential inputs connect internally to form a differential input/output (I/O) bus port that is designed to offer minimum loading to the bus whenever the driver is disabled or not powered. The drivers and receivers have active-high and active-low enables respectively, which can be externally connected together to function as a direction control.

The SN65HVD08 combines a 3-state differential line driver and differential line receiver designed for balanced data transmission and interoperation with ANSI TIA/EIA-485-A and ISO-8482E standard-compliant devices.

The wide supply voltage range and low quiescent current requirements allow the SN65HVD08s to operate from a 5-V power bus in the cable with as much as a 2-V line voltage drop. Busing power in the cable can alleviate the need for isolated power to be generated at each connection of a ground-isolated bus.

The driver differential outputs and receiver differential inputs connect internally to form a differential input/output (I/O) bus port that is designed to offer minimum loading to the bus whenever the driver is disabled or not powered. The drivers and receivers have active-high and active-low enables respectively, which can be externally connected together to function as a direction control.
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* Data sheet SNx5HVD08 Wide Supply Range RS-485 Transceiver datasheet (Rev. E) PDF | HTML 11 mar 2023
EVM User's guide RS-485 Half-Duplex EVM User's Guide (Rev. C) PDF | HTML 01 sep 2021
Application note The RS-485 Unit Load and Maximum Number of Bus Connections 15 mar 2004
Application note RS-485 for Digital Motor Control Applications 12 may 2003

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