主頁 接口 RS-485 和 RS-422 收發(fā)器

SN65HVD1794

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具有電纜反向和故障保護(hù)功能的 70V RS-485 收發(fā)器

產(chǎn)品詳情

Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (nom) (V) 5 Signaling rate (max) (Mbps) 0.115 Fault protection (V) -70 to 70 Common-mode range (V) -20 to 25 Number of nodes 256 Features Fault protection Isolated No Supply current (max) (μA) 6000 Rating Catalog Operating temperature range (°C) -40 to 105
Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (nom) (V) 5 Signaling rate (max) (Mbps) 0.115 Fault protection (V) -70 to 70 Common-mode range (V) -20 to 25 Number of nodes 256 Features Fault protection Isolated No Supply current (max) (μA) 6000 Rating Catalog Operating temperature range (°C) -40 to 105
SOIC (D) 8 29.4 mm2 4.9 x 6
  • Bus-Pin Fault Protection to > ±70 V
  • Cable Invert Function Allows Correction for Reversed Bus Pins
  • Common-Mode Voltage Range (–20 V to 25 V) More Than Doubles TIA/EIA
    485 Requirement
  • Bus I/O Protection
    • ±16 kV JEDEC HBM Protection
  • Reduced Unit Load for Up to 256 Nodes
  • Failsafe Receiver for Open-Circuit, Short-Circuit and Idle-Bus Conditions
  • Low Power Consumption
    • ICC 5 mA Quiescent During Operation
  • Power-Up, Power-Down Glitch-Free Operation
  • Bus-Pin Fault Protection to > ±70 V
  • Cable Invert Function Allows Correction for Reversed Bus Pins
  • Common-Mode Voltage Range (–20 V to 25 V) More Than Doubles TIA/EIA
    485 Requirement
  • Bus I/O Protection
    • ±16 kV JEDEC HBM Protection
  • Reduced Unit Load for Up to 256 Nodes
  • Failsafe Receiver for Open-Circuit, Short-Circuit and Idle-Bus Conditions
  • Low Power Consumption
    • ICC 5 mA Quiescent During Operation
  • Power-Up, Power-Down Glitch-Free Operation

These devices are designed to survive overvoltage faults such as direct shorts to power supplies, mis-wiring faults, connector failures, cable crushes, and tool mis-applications. They are also robust to ESD events, with high levels of protection to human-body model specifications.

These devices combine a differential driver and a differential receiver, which operate from a single power supply. The driver differential outputs and the receiver differential inputs are connected internally to for a bus port suitable for half-duplex (two-wire bus) communication. A cable invert pin (INV) allows active correction of mis-wires that may occur during installation. Upon detecting communication errors, the user can apply a logic HIGH to the INV pin, effectively inverting the polarity of the differential bus port, thereby correcting for the reversed bus wires.

These devices feature a wide common-mode voltage range, making them suitable for multi-point applications over long cable runs. These devices are characterized from –40°C to 105°C.

For similar features with 3.3 V supply operation, see the SN65HVD1781 (SLLS877).

These devices are designed to survive overvoltage faults such as direct shorts to power supplies, mis-wiring faults, connector failures, cable crushes, and tool mis-applications. They are also robust to ESD events, with high levels of protection to human-body model specifications.

These devices combine a differential driver and a differential receiver, which operate from a single power supply. The driver differential outputs and the receiver differential inputs are connected internally to for a bus port suitable for half-duplex (two-wire bus) communication. A cable invert pin (INV) allows active correction of mis-wires that may occur during installation. Upon detecting communication errors, the user can apply a logic HIGH to the INV pin, effectively inverting the polarity of the differential bus port, thereby correcting for the reversed bus wires.

These devices feature a wide common-mode voltage range, making them suitable for multi-point applications over long cable runs. These devices are characterized from –40°C to 105°C.

For similar features with 3.3 V supply operation, see the SN65HVD1781 (SLLS877).
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THVD2410 正在供貨 具有 IEC ESD 保護(hù)功能的 3.3V 至 5V、RS-485 ±70V 故障保護(hù)收發(fā)器 Integrated ±70-V fault-protection, IEC ESD protection (12-kV contact discharge), IEC EFT (4-kV noise immunity)

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類型 標(biāo)題 下載最新的英語版本 日期
* 數(shù)據(jù)表 70-V Fault-Protected RS-485 Transceivers with Cable Invert 數(shù)據(jù)表 (Rev. A) 2012年 9月 28日
EVM 用戶指南 RS-485 半雙工評估模塊 (Rev. C) PDF | HTML 英語版 (Rev.C) PDF | HTML 2022年 10月 11日

設(shè)計和開發(fā)

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評估板

RS485-FL-DPLX-EVM — RS485-FL-DPLX-EVM：RS-485 全雙工評估模塊

The RS-485 full-duplex evaluation module (EVM) helps designers evaluate device performance, supporting fast development and analysis of data transmission systems using any of the SN65HVD147x, SN65HVD179x, SN65HVD3x, SN65HVD5x and SN65HVD7x full-duplex transceivers in a 14-pin D package.  The (...)

用戶指南: PDF
TI.com 上無現(xiàn)貨
評估板

RS485-HF-DPLX-EVM — RS-485 半雙工評估模塊

RS-485 半雙工評估模塊 (EVM) 可幫助設(shè)計人員評估器件性能，支持快速開發(fā)和分析采用任一 SN65HVD1x、SN65HVD2x、SN65HVD7x、SN65HVD8x 或 SN65HVD96 半雙工收發(fā)器的數(shù)據(jù)傳輸系統(tǒng)。此 EVM 板沒有焊接到板上的 RS-485 器件。用戶可以申請樣片或購買任意一種 TI RS-485 半雙工器件進(jìn)行評估。請參見 EVM 用戶指南獲取完整的兼容器件列表。
用戶指南: PDF | HTML
英語版 (Rev.C): PDF | HTML
TI.com 上無現(xiàn)貨
仿真模型

SN65HVD1794 IBIS Model

SLLM097.ZIP (27 KB) - IBIS Model
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在?PSpice for TI 設(shè)計和仿真工具中，您可以搜索 TI (...)
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模擬工具

TINA-TI — 基于 SPICE 的模擬仿真程序

TINA-TI 提供了 SPICE 所有的傳統(tǒng)直流、瞬態(tài)和頻域分析以及更多。TINA 具有廣泛的后處理功能，允許您按照希望的方式設(shè)置結(jié)果的格式。虛擬儀器允許您選擇輸入波形、探針電路節(jié)點(diǎn)電壓和波形。TINA 的原理圖捕獲非常直觀 - 真正的“快速入門”。

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TINA 是德州儀器 (TI) 專有的 DesignSoft 產(chǎn)品。該免費(fèi)版本具有完整的功能，但不支持完整版 TINA 所提供的某些其他功能。

如需獲取可用 TINA-TI 模型的完整列表，請參閱：SpiceRack - 完整列表 

需要 HSpice (...)

用戶指南: PDF
英語版 (Rev.A): PDF
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包含信息：
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  • REACH
  • 器件標(biāo)識
  • 引腳鍍層/焊球材料
  • MSL 等級/回流焊峰值溫度
  • MTBF/時基故障估算
  • 材料成分
  • 鑒定摘要
  • 持續(xù)可靠性監(jiān)測
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