Startseite Isolierung ICs mit isolierter Schnittstelle Isolierte RS-485-Transceiver
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ICs mit isolierter Schnittstelle
Isolierte RS-485-Transceiver

ISO3082

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200-Kbit/s, Halbduplex, 2,5-kVrms isolierter RS-485- und RS-422-Transceiver

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Datenblatt

ISO3082

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Integrated isolated power No Isolation rating Basic Duplex Half Data rate (max) (Mbps) 0.2 Working isolation voltage (VIOWM) (Vrms) 400 Surge isolation voltage (VIOSM) (VPK) 4000 Transient isolation voltage (VIOTM) (VPK) 4000 Withstand isolation voltage (VISO) (Vrms) 2500 ESD HBM (kV) 12 VCC1 (min) (V) 3.15 VCC1 (max) (V) 5.5 VCC2 (min) (V) 4.5 VCC2 (max) (V) 5.5 Fail safe Idle, Open, Short CMTI (min) (kV/µs) 25 Operating temperature range (°C) -40 to 85 Creepage (min) (mm) 8 Clearance (min) (mm) 8
Rating Catalog Integrated isolated power No Isolation rating Basic Duplex Half Data rate (max) (Mbps) 0.2 Working isolation voltage (VIOWM) (Vrms) 400 Surge isolation voltage (VIOSM) (VPK) 4000 Transient isolation voltage (VIOTM) (VPK) 4000 Withstand isolation voltage (VISO) (Vrms) 2500 ESD HBM (kV) 12 VCC1 (min) (V) 3.15 VCC1 (max) (V) 5.5 VCC2 (min) (V) 4.5 VCC2 (max) (V) 5.5 Fail safe Idle, Open, Short CMTI (min) (kV/µs) 25 Operating temperature range (°C) -40 to 85 Creepage (min) (mm) 8 Clearance (min) (mm) 8
SOIC (DW) 16 106.09 mm² 10.3 x 10.3
  • Meets or exceeds TIA/EIA RS-485 requirements
  • Signaling rates up to 20 Mbps
  • 1/8 unit load – up to 256 nodes on a bus
  • Thermal shutdown protection
  • Low bus capacitance – 16 pF (typical)
  • 50 kV/µs typical transient immunity
  • Fail-safe receiver for bus open, short, idle
  • 3.3-V inputs are 5-V tolerant
  • Bus-pin ESD protection
    • 12-kV HBM between bus pins and GND2
    • 6-kV HBM between bus pins and GND1
  • Safety-related certifications:
    • 4000-V PK basic insulation, 560 V PK V IORM per DIN EN IEC 60747-17 (VDE 0884-17)
    • 2500 V RMS isolation per UL 1577
    • 4000 V PK isolation per CSA 62368-1
  • Meets or exceeds TIA/EIA RS-485 requirements
  • Signaling rates up to 20 Mbps
  • 1/8 unit load – up to 256 nodes on a bus
  • Thermal shutdown protection
  • Low bus capacitance – 16 pF (typical)
  • 50 kV/µs typical transient immunity
  • Fail-safe receiver for bus open, short, idle
  • 3.3-V inputs are 5-V tolerant
  • Bus-pin ESD protection
    • 12-kV HBM between bus pins and GND2
    • 6-kV HBM between bus pins and GND1
  • Safety-related certifications:
    • 4000-V PK basic insulation, 560 V PK V IORM per DIN EN IEC 60747-17 (VDE 0884-17)
    • 2500 V RMS isolation per UL 1577
    • 4000 V PK isolation per CSA 62368-1

The ISO3080 and ISO3086 devices are isolated full-duplex differential line drivers and receivers while the ISO3082 and ISO3088 devices are isolated half-duplex differential line transceivers for TIA/EIA 485/422 applications.

These devices are ideal for long transmission lines because the ground loop is broken to allow for a much larger common-mode voltage range. The symmetrical isolation barrier of the device is tested to provide 2500 V RMS of isolation for 60 s per UL 1577 between the bus-line transceiver and the logic-level interface.

Any cabled I/O can be subjected to electrical noise transients from various sources. These noise transients can cause damage to the transceiver or nearby sensitive circuitry if they are of sufficient magnitude and duration. These isolated devices can significantly increase protection and reduce the risk of damage to expensive control circuits.

The ISO3080, ISO3082, ISO3086, and ISO3088 device are qualified for use from –40°C to +85°C.

The ISO3080 and ISO3086 devices are isolated full-duplex differential line drivers and receivers while the ISO3082 and ISO3088 devices are isolated half-duplex differential line transceivers for TIA/EIA 485/422 applications.

These devices are ideal for long transmission lines because the ground loop is broken to allow for a much larger common-mode voltage range. The symmetrical isolation barrier of the device is tested to provide 2500 V RMS of isolation for 60 s per UL 1577 between the bus-line transceiver and the logic-level interface.

Any cabled I/O can be subjected to electrical noise transients from various sources. These noise transients can cause damage to the transceiver or nearby sensitive circuitry if they are of sufficient magnitude and duration. These isolated devices can significantly increase protection and reduce the risk of damage to expensive control circuits.

The ISO3080, ISO3082, ISO3086, and ISO3088 device are qualified for use from –40°C to +85°C.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet ISO308x Isolated 5-V Full- and Half-Duplex RS-485 Transceivers datasheet (Rev. J) PDF | HTML 18 Aug 2023
Certificate VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. W) 31 Jan 2024
Certificate CSA Certificate for ISO1176DW, ISO308xDW, ISO15xDW, ISO035xDW 22 Mär 2023
Application note Isolated RS-485 Transceiver Reference Design (Rev. A) PDF | HTML 23 Sep 2022
Certificate UL Certificate of Compliance File E181974 Vol 4 Sec 2 10 Aug 2022
Application brief Robust Isolated RS-485 Enables New Industrial Applications (Rev. C) PDF | HTML 26 Jul 2022
Application brief How to Isolate RS-485 for Smallest Size and Highest Reliability (Rev. C) PDF | HTML 06 Jul 2022
White paper Why are Digital Isolators Certified to Meet Electrical Equipment Standards? 16 Nov 2021
White paper Distance Through Insulation: How Digital Isolators Meet Certification Requiremen PDF | HTML 11 Jun 2021
Application brief How to Isolate Signal and Power for an RS-485 System (Rev. C) PDF | HTML 25 Mai 2021
Analog Design Journal Data-rate independent half-duplex repeater design for RS-485 (Rev. A) 02 Okt 2018
More literature Blog: Top 7 design questions about isolated RS-485 transceivers 06 Aug 2018
EVM User's guide ISO485EVM Isolated RS-485 EVM (Rev. A) 07 Feb 2018

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

ISO485EVM — ISO485EVM-Evaluierungsmodul

The ISO485 evaluation module (EVM) supports the parametric evaluation of RS-485 digital isolators. The EVM will be delivered with an ISO3082DW factory installed on the board. This EVM is intended to be used with the ISO15, ISO35 (SLOS580) and ISO3080, ISO3082, ISO3086 or ISO3088 (SLOS581). If (...)
Benutzerhandbuch: PDF
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Simulationsmodell

ISO3082 IBIS Model (Rev. A)

SLLC329A.ZIP (19 KB) - IBIS Model
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Referenzdesigns

TIDA-00333 — Referenzdesign für Dual-isolierten Halbduplex-RS-485-Repeater

Dieses Referenzdesign demonstriert einen zweifach isolierten Halbduplex-Repeater mit Datenraten-unabhängiger Durchflussregelung für Langstrecken-RS-485-Netzwerke, der für industrielle Anwendungen geeignet ist. Das Design bietet einen Transientenschutz, der den Signalpfad vor ESD-, (...)
Design guide: PDF
Schaltplan: PDF
Referenzdesigns

TIDA-01281 — Kommunikationsmodul-Referenzdesign für funktionsisolierte RS-485-, CAN- und I2C-Datenübertragung

The TIDA-01281 reference design is low cost, high efficiency, isolated RS-485, I2C & CAN communication module solution intended for use in industrial systems such as Uninterruptable Power Supplies (UPS) and energy storage banks that require isolated communication and isolated power for (...)
Design guide: PDF
Schaltplan: PDF
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SOIC (DW) 16 Optionen anzeigen
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