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Product Overview
The SN72268N is a high-performance RS-485 transceiver from Texas Instruments, designed for balanced data transmission in industrial environments. It operates from a single 5V supply and supports data rates up to 250kbps. The device features half-duplex communication with a differential output and receiver input, ensuring robust noise immunity over long cable runs. The SN72268N is available in an 8-pin DIP package, making it suitable for through-hole PCB assembly.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage |
5V ±10% |
| Data Rate |
250 kbps |
| Number of Drivers/Receivers |
1/1 |
| Duplex |
Half-Duplex |
| Receiver Hysteresis |
50 mV |
| Common-Mode Voltage Range |
-7V to +12V |
| ESD Protection (HBM) |
±15 kV |
| Operating Temperature |
-40°C to +85°C |
| Package |
8-pin DIP |
Key Features
- Single 5V supply operation
- Up to 250 kbps data rate
- Half-duplex RS-485 transceiver
- Low power consumption: 1.5 mA typical
- Thermal shutdown protection
- Open-circuit, short-circuit, and idle bus fail-safe
- Up to 32 transceivers on a single bus
- Industrial temperature range
Target Applications
- Industrial automation and process control (e.g., PLC communication modules)
- Building automation (e.g., HVAC control systems)
- Telecommunications equipment (e.g., 5G base station backhaul interfaces)
- Automotive electronics (e.g., dashboard display communication)
- Security systems (e.g., CCTV camera control)
- Data acquisition systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN72268N. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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.
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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.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
SN72268N 是德州儀器(TI)推出的一款高性能 RS-485 收發器,專為工業環境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 250kbps 的數據速率。該器件具有半雙工通信功能,配備差分輸出和接收器輸入,確保在長距離電纜傳輸中具有出色的抗噪聲能力。SN72268N 採用 8 引腳 DIP 封裝,適合通孔 PCB 組裝。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 |
5V ±10% |
| 數據速率 |
250 kbps |
| 驅動器/接收器數量 |
1/1 |
| 雙工模式 |
半雙工 |
| 接收器遲滯 |
50 mV |
| 共模電壓範圍 |
-7V 至 +12V |
| ESD 保護 (HBM) |
±15 kV |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
8-pin DIP |
核心特性
- 單一 5V 電源供電
- 最高 250 kbps 數據速率
- 半雙工 RS-485 收發器
- 低功耗:典型 1.5 mA
- 熱關斷保護
- 開路、短路和空閒總線故障安全
- 總線上最多可連接 32 個收發器
- 工業溫度範圍
典型應用場景
- 工業自動化與過程控制(例如 PLC 通信模塊)
- 樓宇自動化(例如 HVAC 控制系統)
- 電信設備(例如 5G 基站回傳接口)
- 汽車電子(例如儀表盤顯示通信)
- 安防系統(例如 CCTV 攝像頭控制)
- 數據採集系統
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN72268N 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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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。
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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。
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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。
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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。
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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。
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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。
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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
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