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隔离式 RS-485 收发器

ISO1432

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具有 EMC 保护功能的 12Mbps、全双工、5kVrms 隔离式 RS-485 和 RS-422 收发器

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ISO1432

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产品详情

Rating Catalog Integrated isolated power No Isolation rating Basic, Reinforced Duplex Full Data rate (max) (Mbps) 12 Working isolation voltage (VIOWM) (Vrms) 1060 Surge isolation voltage (VIOSM) (VPK) 10000 Transient isolation voltage (VIOTM) (VPK) 7071 Withstand isolation voltage (VISO) (Vrms) 5000 VCC1 (min) (V) 1.71 VCC1 (max) (V) 5.5 VCC2 (min) (V) 3 VCC2 (max) (V) 5.5 Fail safe Idle, Open, Short CMTI (min) (kV/µs) 85 Operating temperature range (°C) -40 to 125
Rating Catalog Integrated isolated power No Isolation rating Basic, Reinforced Duplex Full Data rate (max) (Mbps) 12 Working isolation voltage (VIOWM) (Vrms) 1060 Surge isolation voltage (VIOSM) (VPK) 10000 Transient isolation voltage (VIOTM) (VPK) 7071 Withstand isolation voltage (VISO) (Vrms) 5000 VCC1 (min) (V) 1.71 VCC1 (max) (V) 5.5 VCC2 (min) (V) 3 VCC2 (max) (V) 5.5 Fail safe Idle, Open, Short CMTI (min) (kV/µs) 85 Operating temperature range (°C) -40 to 125
SOIC (DW) 16 106.09 mm² (10.3 mm × 10.3 mm)
  • Compatible with TIA/EIA-485-A
  • PROFIBUS compatible at 5V bus-side supply
  • Bus I/O protection
    • ±30kV HBM
    • ±16kV IEC 61000-4-2 Contact discharge
    • ±4kV IEC 61000-4-4 Electrical fast transient
  • Low-EMI 500kbps, 12Mbps and 50Mbps Data Rates
  • 1.71V to 5.5V logic-side supply (VCC1), 3V to 5.5V bus-side supply (VCC2)
  • Failsafe receiver for bus open, short, and idle
  • 1/8 Unit load up to 256 nodes on bus
  • 100kV/µs (typical) high common-mode transient immunity
  • Extended temperature range from –40°C to 125°C
  • Glitch-free power-up and power-down for hot plug-in
  • Wide-body SOIC-16 package
  • Pin compatible to most isolated RS-485 transceivers
  • Safety-related certifications:
    • 7071VPK VIOTM and 1500VPK VIORM (reinforced and basic options) per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000VRMS isolation for 1 minute per UL 1577
    • GB 4943.1, IEC 62368-1, IEC 60601-1 and IEC 61010-1 certifications
    • CQC, TUV, and CSA approvals
  • Compatible with TIA/EIA-485-A
  • PROFIBUS compatible at 5V bus-side supply
  • Bus I/O protection
    • ±30kV HBM
    • ±16kV IEC 61000-4-2 Contact discharge
    • ±4kV IEC 61000-4-4 Electrical fast transient
  • Low-EMI 500kbps, 12Mbps and 50Mbps Data Rates
  • 1.71V to 5.5V logic-side supply (VCC1), 3V to 5.5V bus-side supply (VCC2)
  • Failsafe receiver for bus open, short, and idle
  • 1/8 Unit load up to 256 nodes on bus
  • 100kV/µs (typical) high common-mode transient immunity
  • Extended temperature range from –40°C to 125°C
  • Glitch-free power-up and power-down for hot plug-in
  • Wide-body SOIC-16 package
  • Pin compatible to most isolated RS-485 transceivers
  • Safety-related certifications:
    • 7071VPK VIOTM and 1500VPK VIORM (reinforced and basic options) per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000VRMS isolation for 1 minute per UL 1577
    • GB 4943.1, IEC 62368-1, IEC 60601-1 and IEC 61010-1 certifications
    • CQC, TUV, and CSA approvals

The ISO14xx devices are galvanically-isolated differential line transceivers for TIA/EIA RS-485 and RS-422 applications. These noise-immune transceivers are designed to operate in harsh industrial environments. The bus pins of these devices can endure high levels of IEC electrostatic discharge (ESD) and IEC electrical fast transient (EFT) events which eliminates the need for additional components on bus for system-level protection. The devices are available for both basic and reinforced isolation (see Reinforced and Basic Isolation Options).

The ISO14xx devices are galvanically-isolated differential line transceivers for TIA/EIA RS-485 and RS-422 applications. These noise-immune transceivers are designed to operate in harsh industrial environments. The bus pins of these devices can endure high levels of IEC electrostatic discharge (ESD) and IEC electrical fast transient (EFT) events which eliminates the need for additional components on bus for system-level protection. The devices are available for both basic and reinforced isolation (see Reinforced and Basic Isolation Options).
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技术文档

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 ISO14xx 5kVRMS Isolated RS-485/RS-422 Transceiver With Robust EMC 数据表 (Rev. I) PDF | HTML 2026-8-11
证书 VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. AB) 2026-7-15
证书 VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. AA) 2026-6-11
证书 TUV Certificate for Isolation Devices (Rev. M) 2026-5-7
证书 UL Certificate of Compliance File E181974 Vol 4 Sec 6 (Rev. S) 2026-5-7
应用简报 如何在 RS-485 系统中隔离信号和电源 (Rev. D) PDF | HTML 英语版 (Rev.D) PDF | HTML 2025-11-14
证书 CSA Certificate for ISO14xxDW (Rev. A) 2025-10-15
证书 CQC Certificate for ISOxxDWx (Rev. K) 2025-8-18
应用手册 隔离式 RS-485 收发器参考设计 (Rev. A) PDF | HTML 英语版 (Rev.A) PDF | HTML 2022-10-14
产品概述 Isolation for RS-485 PDF | HTML 2022-8-21
应用简报 强大的隔离式 RS-485 支持全新工业应用 (Rev. C) PDF | HTML 英语版 (Rev.C) PDF | HTML 2022-8-18
应用简报 如何隔离 RS-485 以实现超小尺寸 和超高可靠性 (Rev. C) PDF | HTML 英语版 (Rev.C) PDF | HTML 2022-8-1
白皮书 Why are Digital Isolators Certified to Meet Electrical Equipment Standards? 2021-11-16
白皮书 绝缘穿透距离：数字隔离器如何满足认证要求 英语版 PDF | HTML 2021-9-27
技术文章 4 common questions when isolating signal and power PDF | HTML 2021-6-1

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评估板

ISO1412DWEVM — ISO1412DW 高性能、稳健型 EMC 隔离式全双工 RS-485 评估模块

ISO1412DWEVM 评估模块 (EVM) 用于评估采用 16 引脚封装（封装代码为 DW）的高性能、增强型隔离式 RS-485 ISO1412。此 EVM 具有足够的测试点和跳线选项，支持使用极少的外部元件来评估器件。
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仿真模型

ISO1432 IBIS Model

SLLM430.ZIP (103 KB) - IBIS 模型
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封装 引脚 CAD 符号、封装和 3D 模型
SOIC (DW) 16 Ultra Librarian
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