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隔離式 RS-485 收發器

ISO3086

現行

20-Mbps、全雙工、2.5-kVrms 隔離式 RS-485 和 RS-422 收發器

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產品規格表

ISO3086

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Integrated isolated power No Isolation rating Basic Duplex Full Data rate (max) (Mbps) 20 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 Full Data rate (max) (Mbps) 20 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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類型 標題 日期
* Data sheet ISO308x Isolated 5-V Full- and Half-Duplex RS-485 Transceivers datasheet (Rev. J) PDF | HTML 2023年 8月 18日
Certificate VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. W) 2024年 1月 31日
Certificate CSA Certificate for ISO1176DW, ISO308xDW, ISO15xDW, ISO035xDW 2023年 3月 22日
Application note Isolated RS-485 Transceiver Reference Design (Rev. A) PDF | HTML 2022年 9月 23日
Certificate UL Certificate of Compliance File E181974 Vol 4 Sec 2 2022年 8月 10日
Application brief Robust Isolated RS-485 Enables New Industrial Applications (Rev. C) PDF | HTML 2022年 7月 26日
Application brief How to Isolate RS-485 for Smallest Size and Highest Reliability (Rev. C) PDF | HTML 2022年 7月 6日
White paper Why are Digital Isolators Certified to Meet Electrical Equipment Standards? 2021年 11月 16日
White paper Distance Through Insulation: How Digital Isolators Meet Certification Requiremen PDF | HTML 2021年 6月 11日
Application brief How to Isolate Signal and Power for an RS-485 System (Rev. C) PDF | HTML 2021年 5月 25日
More literature Blog: Top 7 design questions about isolated RS-485 transceivers 2018年 8月 6日
EVM User's guide ISO485EVM Isolated RS-485 EVM (Rev. A) 2018年 2月 7日

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ISO485EVM — ISO485EVM 評估模組

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 (...)
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ISO3086 IBIS Model

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