SN103981DR TI Interface IC | RS-485 Transceiver | 3.3V, 250kbps

Product Overview

The SN103981DR from Texas Instruments is a low-power RS-485 transceiver designed for bidirectional data communication on multipoint bus transmission lines. It operates from a single 3.3V supply and features a driver output capable of delivering up to 250kbps data rate. The device is optimized for balanced transmission lines and complies with TIA/EIA-485-A standard. Its half-duplex configuration allows multiple drivers and receivers to share the same bus, making it ideal for industrial automation and building automation networks.

Detailed Technical Specifications

Key Features

• 3.3V low-power operation
• 250kbps data rate for industrial communication
• Half-duplex RS-485 transceiver
• Up to 256 nodes on a single bus
• Thermal shutdown protection
• Open-circuit, short-circuit, and idle bus fail-safe receiver
• Low power shutdown mode (1 µA typical)
• ESD protection up to ±15 kV HBM

Target Applications

• Industrial automation systems (e.g., PLC, motor drives)
• Building automation (e.g., HVAC controllers, lighting systems)
• 5G base station control interfaces
• Automotive dashboard communication modules
• Security and access control panels
• Remote sensor data acquisition

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN103981DR. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

SN103981DR 是德州儀器推出的低功耗 RS-485 收發器，專為多點匯流排傳輸線路上的雙向數據通訊設計。它採用單一 3.3V 電源供電，驅動器輸出可達 250kbps 數據速率。該器件針對平衡傳輸線路進行了優化，符合 TIA/EIA-485-A 標準。其半雙工配置允許多個驅動器和接收器共享同一匯流排，非常適合工業自動化和樓宇自動化網絡。

詳細技術參數

核心特性

• 3.3V 低功耗操作
• 250kbps 數據速率，適用於工業通訊
• 半雙工 RS-485 收發器
• 單一匯流排最多支援 256 個節點
• 過熱關斷保護
• 開路、短路和空閒匯流排故障安全接收器
• 低功耗關斷模式（典型值 1 µA）
• ESD 保護高達 ±15 kV HBM

典型應用場景

• 工業自動化系統（例如 PLC、電機驅動器）
• 樓宇自動化（例如 HVAC 控制器、照明系統）
• 5G 基站控制接口
• 汽車儀表板通訊模塊
• 安防和門禁控制面板
• 遠程傳感器數據採集

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN103981DR 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]