ST490ABDR ST RS-485/RS-422 Transceiver | 8-SOIC | 5V, 12Mbps

Product Overview

The ST490ABDR is a high-speed, low-power RS-485/RS-422 transceiver from STMicroelectronics, designed for balanced data transmission in industrial and communication systems. It operates from a single 5V supply and supports data rates up to 12 Mbps. The device features a differential output and receiver input, ensuring robust noise immunity and long-distance communication. Housed in an 8-pin SOIC package, it is ideal for space-constrained applications.

Detailed Technical Specifications

Key Features

• Single 5V supply operation
• High data rate: up to 12 Mbps
• Low quiescent current: 300 μA (typical)
• Up to 32 transceivers on a single bus
• Thermal shutdown protection
• Open-circuit, short-circuit, and idle bus fail-safe receiver
• ESD protection on bus pins: ±15 kV HBM

Target Applications

• Industrial automation and process control (e.g., PLC, motor drives)
• Building automation (e.g., HVAC controllers, lighting systems)
• Telecommunications (e.g., 5G base station backhaul, network switches)
• Automotive (e.g., dashboard display, infotainment systems)
• Security systems (e.g., CCTV, access control panels)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for ST490ABDR. 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

ST490ABDR 是意法半導體推出的一款高速、低功耗 RS-485/RS-422 收發器，專為工業和通信系統中的平衡數據傳輸而設計。它採用單一 5V 電源供電，支持高達 12 Mbps 的數據速率。該器件具有差分輸出和接收器輸入，確保強大的抗噪聲能力和長距離通信。採用 8 引腳 SOIC 封裝，非常適合空間受限的應用。

詳細技術參數

核心特性

• 單一 5V 電源供電
• 高速數據速率：最高 12 Mbps
• 低靜態電流：典型值 300 μA
• 總線上最多可連接 32 個收發器
• 熱關斷保護
• 開路、短路和空閒總線故障安全接收器
• 總線引腳 ESD 保護：±15 kV HBM

典型應用場景

• 工業自動化和過程控制（例如 PLC、電機驅動器）
• 樓宇自動化（例如 HVAC 控制器、照明系統）
• 電信（例如 5G 基站回程、網絡交換機）
• 汽車（例如儀表盤顯示、信息娛樂系統）
• 安防系統（例如 CCTV、門禁控制面板）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 ST490ABDR 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]