Startseite Schnittstelle RS-485- & RS-422-Transceiver
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RS-485- & RS-422-Transceiver

SN65LBC180

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SN65LBC180

AKTIV
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Produktdetails

Number of receivers 1 Number of transmitters 1 Duplex Full Supply voltage (nom) (V) 5 Signaling rate (max) (MBits) 10 Fault protection (V) -10 to 15 Common-mode range (V) -7 to 12 Number of nodes 32 Isolated No Supply current (max) (µA) 4000 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) (MBits) 10 Fault protection (V) -10 to 15 Common-mode range (V) -7 to 12 Number of nodes 32 Isolated No Supply current (max) (µA) 4000 Rating Catalog Operating temperature range (°C) -40 to 85
PDIP (N) 14 181.42 mm² 19.3 x 9.4 SOIC (D) 14 51.9 mm² 8.65 x 6 VQFN (RSA) 16 16 mm² 4 x 4
  • Designed for high-speed multipoint Data transmission over long cables
  • Operate with pulse durations as low as 30 ns
  • Low supply current: 5 mA maximum
  • Meet or exceed the requirements of ANSI standard RS-485 and ISO 8482:1987(E)
  • 3-State outputs for party-line buses
  • Common-mode voltage range of –7 V to 12 V
  • Thermal shutdown protection prevents driver damage from bus contention
  • Positive and negative output current limiting
  • Pin compatible with the SN75ALS180
  • Designed for high-speed multipoint Data transmission over long cables
  • Operate with pulse durations as low as 30 ns
  • Low supply current: 5 mA maximum
  • Meet or exceed the requirements of ANSI standard RS-485 and ISO 8482:1987(E)
  • 3-State outputs for party-line buses
  • Common-mode voltage range of –7 V to 12 V
  • Thermal shutdown protection prevents driver damage from bus contention
  • Positive and negative output current limiting
  • Pin compatible with the SN75ALS180

The SN55LBC180, SN65LBC180 and SN75LBC180 combine a differential line driver and receiver with 3-state outputs and operate from a single 5-V supply. The driver and receiver have active-high and active-low enables, respectively, which can be externally connected to function as a direction control. The driver differential outputs and the receiver differential inputs are connected to separate terminals for full-duplex operation and are designed to present minimum loading to the bus whether disabled or powered off (VCC = 0). These parts feature a wide common-mode voltage range making them suitable for point-to-point or multipoint data-bus applications.

The devices also provide positive and negative output-current limiting and thermal shutdown for protection from line fault conditions. The line driver shuts down at a junction temperature of approximately 172°C.

The SN75LBC180 is characterized for operation over the commercial temperature range of 0°C to 70°C. The SN65LBC180 is characterized over the industrial temperature range of –40°C to 85°C.

The SN55LBC180 is characterized for operation over the military temperature range of –55°C to 125°C.

The SN55LBC180, SN65LBC180 and SN75LBC180 combine a differential line driver and receiver with 3-state outputs and operate from a single 5-V supply. The driver and receiver have active-high and active-low enables, respectively, which can be externally connected to function as a direction control. The driver differential outputs and the receiver differential inputs are connected to separate terminals for full-duplex operation and are designed to present minimum loading to the bus whether disabled or powered off (VCC = 0). These parts feature a wide common-mode voltage range making them suitable for point-to-point or multipoint data-bus applications.

The devices also provide positive and negative output-current limiting and thermal shutdown for protection from line fault conditions. The line driver shuts down at a junction temperature of approximately 172°C.

The SN75LBC180 is characterized for operation over the commercial temperature range of 0°C to 70°C. The SN65LBC180 is characterized over the industrial temperature range of –40°C to 85°C.

The SN55LBC180 is characterized for operation over the military temperature range of –55°C to 125°C.
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Technische Dokumentation

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* Data sheet Low-Power RS-485 Line Driver and Receiver Pairs datasheet (Rev. I) PDF | HTML 27 Okt 2022
Technical article Get Connected: Failsafe bias those contentious buses! PDF | HTML 14 Aug 2015

Design und Entwicklung

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Simulationsmodell

SN65LBC180AD IBIS Model

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Referenzdesigns

TIDA-00540 — RS-485 / RS-232 Multiprotokoll-Transceiver – Referenzdesign

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