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RS-485 & RS-422 收發器

THVD1410

現行

具 ±18kV IEC ESD 保護的 3.3V 至 5V RS-485 收發器

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產品規格表

THVD1410

現行
產品規格表 立即訂購

產品詳細資料

Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (nom) (V) 3.3, 5 Signaling rate (max) (Mbps) 0.5 IEC 61000-4-2 contact (±V) 18000 Fault protection (V) -18 to 18 Common-mode range (V) -15 to 15 Number of nodes 256 Features Extended common mode, IEC ESD protection Isolated No Supply current (max) (µA) 2800 Rating Catalog Operating temperature range (°C) -40 to 125
Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (nom) (V) 3.3, 5 Signaling rate (max) (Mbps) 0.5 IEC 61000-4-2 contact (±V) 18000 Fault protection (V) -18 to 18 Common-mode range (V) -15 to 15 Number of nodes 256 Features Extended common mode, IEC ESD protection Isolated No Supply current (max) (µA) 2800 Rating Catalog Operating temperature range (°C) -40 to 125
SOIC (D) 8 29.4 mm² 4.9 x 6 VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • Meets or Exceeds the Requirements of the TIA/EIA-485A Standard
  • 3 V to 5.5 V Supply Voltage
  • Differential Output Exceeds 2.1 V for PROFIBUS Compatibility with 5-V Supply
  • Bus I/O ESD Protection
    • ±30 kV HBM
    • ±18 kV IEC 61000-4-2 Contact Discharge
    • ±25 kV IEC 61000-4-2 Air-Gap Discharge
    • ±4 kV IEC 61000-4-4 Fast Transient Burst
  • Extended Operational Common-mode
    Range: ±15 V
  • Low EMI 500 kbps and 50 Mbps Data Rates
  • Large Receiver Hysteresis for Noise Rejection
  • Low Power Consumption
    • Standby Supply Current: < 1 µA
    • Current During Operation: < 3 mA
  • Extended Ambient Temperature
    Range: –40°C to 125°C
  • Glitch-Free Power-Up/Down for Hot Plug-in Capability
  • Open, Short, and Idle Bus Failsafe
  • 1/8 Unit Load (Up to 256 Bus Nodes)
  • Small-Size VSON and VSSOP Packages Save Board Space or SOIC for Drop-in Compatibility
  • Meets or Exceeds the Requirements of the TIA/EIA-485A Standard
  • 3 V to 5.5 V Supply Voltage
  • Differential Output Exceeds 2.1 V for PROFIBUS Compatibility with 5-V Supply
  • Bus I/O ESD Protection
    • ±30 kV HBM
    • ±18 kV IEC 61000-4-2 Contact Discharge
    • ±25 kV IEC 61000-4-2 Air-Gap Discharge
    • ±4 kV IEC 61000-4-4 Fast Transient Burst
  • Extended Operational Common-mode
    Range: ±15 V
  • Low EMI 500 kbps and 50 Mbps Data Rates
  • Large Receiver Hysteresis for Noise Rejection
  • Low Power Consumption
    • Standby Supply Current: < 1 µA
    • Current During Operation: < 3 mA
  • Extended Ambient Temperature
    Range: –40°C to 125°C
  • Glitch-Free Power-Up/Down for Hot Plug-in Capability
  • Open, Short, and Idle Bus Failsafe
  • 1/8 Unit Load (Up to 256 Bus Nodes)
  • Small-Size VSON and VSSOP Packages Save Board Space or SOIC for Drop-in Compatibility

THVD14xx is a family of noise-immune RS-485/RS- 422 transceivers designed to operate in rugged industrial environments. The bus pins of these devices are robust to high levels of IEC electrical fast transients (EFT) and IEC electrostatic discharge (ESD) events, eliminating the need for additional system level protection components.

Each of these devices operates from a single supply between 3 V and 5.5 V. The devices in this family feature an extended common-mode voltage range which makes them suitable for multi-point applications over long cable runs.

THVD14xx family of devices is available in small VSON and VSSOP packages for space constrained applications. These devices are characterized over ambient free-air temperatures from –40°C to 125°C.

THVD14xx is a family of noise-immune RS-485/RS- 422 transceivers designed to operate in rugged industrial environments. The bus pins of these devices are robust to high levels of IEC electrical fast transients (EFT) and IEC electrostatic discharge (ESD) events, eliminating the need for additional system level protection components.

Each of these devices operates from a single supply between 3 V and 5.5 V. The devices in this family feature an extended common-mode voltage range which makes them suitable for multi-point applications over long cable runs.

THVD14xx family of devices is available in small VSON and VSSOP packages for space constrained applications. These devices are characterized over ambient free-air temperatures from –40°C to 125°C.

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類型 標題 日期
* Data sheet THVD14xx 3.3-V to 5-V RS-485 Transceivers with ±18-kV IEC ESD Protection datasheet (Rev. E) PDF | HTML 2019年 5月 2日
Application brief How to Isolate Signal and Power for an RS-485 System (Rev. D) PDF | HTML 2025年 11月 7日

設計與開發

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開發板

RS485-HF-DPLX-EVM — RS-485 半雙工評估模組

RS-485 半雙工評估模組 (EVM) 可協助設計師評估裝置性能，其支援使用 SN65HVD1x、SN65HVD2x、SN65HVD7x、SN65HVD8x 和 SN65HVD96 半雙工收發器之一快速開發與分析資料傳輸系統。EVM 板出貨時並未將 RS-485 裝置焊接至電路板上。使用者可索取樣品或購買任何 TI RS-485 半雙工裝置，以進行評估。如需相容裝置的完整清單，請參閱 EVM 使用指南。
使用指南: PDF | HTML
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模擬型號

THVD1410 IBIS Model

SLLM408.ZIP (45 KB) - IBIS Model
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模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI 是有助於評估類比電路功能的設計和模擬環境。這款全功能設計和模擬套件使用 Cadence® 的類比分析引擎。PSpice for TI 包括業界最大的模型庫之一，涵蓋我們的類比和電源產品組合，以及特定類比行為模型，且使用無需支付費用。

PSpice for TI 設計和模擬環境可讓您使用其內建函式庫來模擬複雜的混合訊號設計。在進行佈局和製造之前，建立完整的終端設備設計和解決方案原型，進而縮短上市時間並降低開發成本。 

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TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
使用指南: PDF
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參考設計

TIDA-060008 — 用於將 RS-232 訊號轉換爲 RS-485 訊號的參考設計

此參考設計提供將 RS-232 訊號轉換為 RS-485 訊號的電路。這允許長距離通訊，因 RS-232 支援的範圍通常小於 50 英呎，而 RS-485 的範圍則可超過 1000 英呎。此設計實施雙向半雙工通訊，且無任何軟體干擾。
Design guide: PDF
電路圖: PDF
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SOIC (D) 8 Ultra Librarian
VSSOP (DGK) 8 Ultra Librarian
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