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Product Overview
The SN75ALS171J from Texas Instruments is a differential driver and receiver pair designed for balanced transmission lines, compliant with TIA/EIA-485-A (RS-485) and TIA/EIA-422-B (RS-422) standards. It operates from a single 5V supply and features a wide common-mode voltage range, making it ideal for long-distance, high-noise industrial communication. The device integrates one driver and one receiver in a single package, offering a compact solution for half-duplex or full-duplex data transmission.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Driver Output Voltage (Differential) |
±1.5V min (with 54Ω load) |
| Receiver Input Sensitivity |
±200 mV |
| Common-Mode Voltage Range |
-7V to +12V |
| Data Rate |
Up to 10 Mbps |
| Number of Drivers/Receivers |
1/1 |
| Operating Temperature |
0°C to 70°C |
| Package |
8-Pin DIP or SOIC |
Key Features
- Single 5V supply operation
- Meets RS-485 and RS-422 standards
- Low power consumption: 30 mW typical
- Thermal shutdown protection for drivers
- High-impedance outputs when disabled or power off
- Glitch-free power-up/power-down
- Up to 32 transceivers on a single bus
Target Applications
- Industrial automation: PLCs, motor drives, sensors
- Building automation: HVAC controllers, lighting systems
- Telecommunications: 5G base station backhaul, network switches
- Transportation: railway signaling, traffic control systems
- Medical equipment: patient monitoring, diagnostic devices
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN75ALS171J. 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.
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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
SN75ALS171J 是德州儀器 (TI) 推出的一款差分驅動器和接收器組合,專為平衡傳輸線路設計,符合 TIA/EIA-485-A (RS-485) 和 TIA/EIA-422-B (RS-422) 標準。它採用單一 5V 電源供電,具有寬共模電壓範圍,非常適合長距離、高噪聲的工業通信。該器件在單一封裝內集成了一個驅動器和一個接收器,為半雙工或全雙工數據傳輸提供了緊湊的解決方案。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75V 至 5.25V |
| 驅動器差分輸出電壓 |
±1.5V 最小值 (54Ω 負載) |
| 接收器輸入靈敏度 |
±200 mV |
| 共模電壓範圍 |
-7V 至 +12V |
| 數據速率 |
最高 10 Mbps |
| 驅動器/接收器數量 |
1/1 |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
8 引腳 DIP 或 SOIC |
核心特性
- 單一 5V 電源供電
- 符合 RS-485 和 RS-422 標準
- 低功耗:典型值 30 mW
- 驅動器熱關斷保護
- 禁用或斷電時輸出高阻抗
- 無干擾的上電/斷電
- 總線上最多可連接 32 個收發器
典型應用場景
- 工業自動化:PLC、電機驅動、傳感器
- 樓宇自動化:HVAC 控制器、照明系統
- 電信:5G 基站回程、網絡交換機
- 交通運輸:鐵路信號、交通控制系統
- 醫療設備:病人監護、診斷設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN75ALS171J 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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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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