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Product Overview
The SN751178NS from Texas Instruments is a differential bus transceiver designed for bidirectional data communication on multipoint bus transmission lines. It operates from a single 5V supply and meets the requirements of RS-485 and RS-422 standards. The device features a half-duplex configuration with separate driver and receiver enable pins, allowing for flexible control. Housed in a 16-pin SO package, it is suitable for industrial and telecom applications requiring robust noise immunity and long-distance communication.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Data Rate |
Up to 10 Mbps |
| Number of Drivers |
1 |
| Number of Receivers |
1 |
| Duplex |
Half-Duplex |
| ESD Protection (HBM) |
±15 kV |
| Common-Mode Voltage Range |
-7V to +12V |
| Receiver Input Impedance |
96 kΩ (min) |
| Driver Output Voltage (Differential) |
±1.5V (min) at 54Ω load |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
16-SO (SOIC-16) |
Key Features
- RS-485/RS-422 compliant
- Single 5V supply operation
- High data rate up to 10 Mbps
- Half-duplex communication
- Separate driver and receiver enable
- Thermal shutdown protection
- Open-circuit, short-circuit, and idle bus fail-safe receiver
- Low power consumption: 30 mW (typical)
- Up to 32 transceivers on a single bus
Target Applications
- Industrial automation (e.g., PLC, motor drives)
- Building automation (e.g., HVAC controllers, lighting systems)
- Telecommunications (e.g., 5G base station backhaul, network switches)
- Transportation (e.g., dashboard displays, 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
SN751178NS. 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.
-
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
SN751178NS 是德州儀器(TI)推出的一款差分總線收發器,專為多點總線傳輸線路上的雙向數據通信而設計。它可在單一 5V 電源下工作,符合 RS-485 和 RS-422 標準。該器件採用半雙工配置,具有獨立的驅動器和接收器使能引腳,可實現靈活控制。採用 16 引腳 SO 封裝,適用於需要強大抗噪能力和長距離通信的工業和電信應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75V 至 5.25V |
| 數據速率 |
最高 10 Mbps |
| 驅動器數量 |
1 |
| 接收器數量 |
1 |
| 雙工模式 |
半雙工 |
| ESD 保護 (HBM) |
±15 kV |
| 共模電壓範圍 |
-7V 至 +12V |
| 接收器輸入阻抗 |
96 kΩ(最小值) |
| 驅動器差分輸出電壓 |
±1.5V(最小值,54Ω 負載) |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
16-SO (SOIC-16) |
核心特性
- 符合 RS-485/RS-422 標準
- 單一 5V 電源供電
- 高達 10 Mbps 的數據速率
- 半雙工通信
- 獨立的驅動器和接收器使能
- 熱關斷保護
- 開路、短路和空閒總線故障安全接收器
- 低功耗:典型值 30 mW
- 單總線上最多可連接 32 個收發器
典型應用場景
- 工業自動化(例如 PLC、電機驅動器)
- 樓宇自動化(例如 HVAC 控制器、照明系統)
- 電信設備(例如 5G 基站回程、網絡交換機)
- 交通運輸(例如儀表板顯示、信息娛樂系統)
- 安防系統(例如閉路電視、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 SN751178NS 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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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。
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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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