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RS-485- & RS-422-Transceiver

DS36277

AKTIV

Multipoint-Transceiver Im Dominant-Modus

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Datenblatt

DS36277

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of receivers 1 Number of transmitters 1 Duplex Half Signaling rate (max) (Mbps) 20 IEC 61000-4-2 contact (±V) None Fault protection (V) -10 to 15 Common-mode range (V) -7 to 12 Number of nodes 32 Isolated No Supply current (max) (µA) 500 Rating Catalog Operating temperature range (°C) -40 to 85
Number of receivers 1 Number of transmitters 1 Duplex Half Signaling rate (max) (Mbps) 20 IEC 61000-4-2 contact (±V) None Fault protection (V) -10 to 15 Common-mode range (V) -7 to 12 Number of nodes 32 Isolated No Supply current (max) (µA) 500 Rating Catalog Operating temperature range (°C) -40 to 85
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • FAILSAFE Receiver, RO = HIGH for:
    • OPEN Inputs
    • Terminated Inputs
    • SHORTED Inputs
  • Optimal for Use in SAE J1708 Interfaces
  • Compatible with Popular Interface Standards:
    • TIA/EIA-485 and TIA/EIA-422-A
    • CCITT Recommendation V.11
  • Bi-Directional Transceiver
    • Designed for Multipoint Transmission
  • Wide Bus Common Mode Range
    • (−7V to +12V)
  • Available in PDIP and SOIC Packages

All trademarks are the property of their respective owners.

  • FAILSAFE Receiver, RO = HIGH for:
    • OPEN Inputs
    • Terminated Inputs
    • SHORTED Inputs
  • Optimal for Use in SAE J1708 Interfaces
  • Compatible with Popular Interface Standards:
    • TIA/EIA-485 and TIA/EIA-422-A
    • CCITT Recommendation V.11
  • Bi-Directional Transceiver
    • Designed for Multipoint Transmission
  • Wide Bus Common Mode Range
    • (−7V to +12V)
  • Available in PDIP and SOIC Packages

All trademarks are the property of their respective owners.

The DS36277 Dominant Mode Multipoint Transceiver is designed for use on bi-directional differential busses. It is optimal for use on Interfaces that utilize Society of Automotive Engineers (SAE) J1708 Electrical Standard.

The device is similar to standard TIA/EIA-485 transceivers, but differs in enabling scheme. The Driver's Input is normally externally tied LOW, thus providing only two states: Active (LOW), or Disabled (OFF). When the driver is active, the dominant mode is LOW, conversely, when the driver is disabled, the bus is pulled HIGH by external bias resistors.

The receiver provides a FAILSAFE feature that ensures a known output state when the Interface is in the following conditions: Floating Line, Idle Line (no active drivers), and Line Fault Conditions (open or short). The receiver output is HIGH for the following conditions: Open Inputs, Terminated Inputs (50Ω), or Shorted Inputs. FAILSAFE is a highly desirable feature when the transceivers are used with Asynchronous Controllers such as UARTs.

The DS36277 Dominant Mode Multipoint Transceiver is designed for use on bi-directional differential busses. It is optimal for use on Interfaces that utilize Society of Automotive Engineers (SAE) J1708 Electrical Standard.

The device is similar to standard TIA/EIA-485 transceivers, but differs in enabling scheme. The Driver's Input is normally externally tied LOW, thus providing only two states: Active (LOW), or Disabled (OFF). When the driver is active, the dominant mode is LOW, conversely, when the driver is disabled, the bus is pulled HIGH by external bias resistors.

The receiver provides a FAILSAFE feature that ensures a known output state when the Interface is in the following conditions: Floating Line, Idle Line (no active drivers), and Line Fault Conditions (open or short). The receiver output is HIGH for the following conditions: Open Inputs, Terminated Inputs (50Ω), or Shorted Inputs. FAILSAFE is a highly desirable feature when the transceivers are used with Asynchronous Controllers such as UARTs.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt DS36277 Dominant Mode Multipoint Transceiver datasheet (Rev. E) 23.04.2013
Anwendungshinweis AN-915 Automotive Physical Layer SAE J1708 and the DS36277 (Rev. B) 26.04.2013
Anwendungshinweis AN-1057 Ten Ways to Bulletproof RS-485 Interfaces (Rev. B) 26.04.2013
Anwendungshinweis AN-1031 TIA/EIA-422-B Overview (Rev. B) 26.04.2013

Design und Entwicklung

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Simulationsmodell

DS36277 IBIS Model

SNLM173.ZIP (15 KB) - IBIS-Modell
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