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Product Overview
The SN75140P from Texas Instruments is a monolithic differential line driver and receiver designed for bidirectional data communication on a single twisted-pair line. It complies with RS-422 and RS-485 standards, offering a balanced transmission line interface. The device operates from a single 5V supply and features a 3-state output for party-line applications. Housed in an 8-pin PDIP package, it is suitable for industrial and telecommunications systems requiring robust noise immunity and long-distance data transmission.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.75V to 5.25V |
| Supply Current (ICC) |
70 mA max |
| Data Rate |
10 Mbps max |
| Driver Output Voltage (Differential) |
±2V min (RL=100Ω) |
| Receiver Input Sensitivity |
±200 mV |
| Receiver Input Hysteresis |
50 mV typ |
| Common-Mode Input Voltage Range |
±7V |
| Operating Temperature Range |
0°C to 70°C |
| Package |
8-PDIP |
Key Features
- Single 5V supply operation
- Meets RS-422 and RS-485 standards
- 3-state outputs for party-line (multipoint) applications
- High data rate up to 10 Mbps
- Low power consumption
- Thermal shutdown protection
- Pin-compatible with SN75140
Target Applications
- Industrial control systems (e.g., PLC communication modules)
- Telecommunications equipment (e.g., 5G base station backhaul interfaces)
- Automotive electronics (e.g., dashboard display communication)
- Building automation (e.g., HVAC control networks)
- Data acquisition systems (e.g., remote sensor interfaces)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN75140P. 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
SN75140P 是德州儀器(TI)推出的單片差分線路驅動器/接收器,專為在單一雙絞線上進行雙向數據通信而設計。它符合 RS-422 和 RS-485 標準,提供平衡傳輸線接口。該器件在單一 5V 電源下工作,並具有三態輸出,適用於共用線路應用。採用 8 引腳 PDIP 封裝,適用於需要強大抗噪能力和長距離數據傳輸的工業和電信系統。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.75V 至 5.25V |
| 電源電流 (ICC) |
最大 70 mA |
| 數據速率 |
最大 10 Mbps |
| 驅動器差分輸出電壓 |
最小 ±2V (RL=100Ω) |
| 接收器輸入靈敏度 |
±200 mV |
| 接收器輸入遲滯 |
典型 50 mV |
| 共模輸入電壓範圍 |
±7V |
| 工作溫度範圍 |
0°C 至 70°C |
| 封裝 |
8-PDIP |
核心特性
- 單一 5V 電源供電
- 符合 RS-422 和 RS-485 標準
- 三態輸出,適用於共用線路(多點)應用
- 高數據速率,最高 10 Mbps
- 低功耗
- 熱關斷保護
- 與 SN75140 引腳兼容
典型應用場景
- 工業控制系統(例如 PLC 通信模塊)
- 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)
- 樓宇自動化(例如 HVAC 控制網絡)
- 數據採集系統(例如遠程傳感器接口)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN75140P 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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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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