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Product Overview
The SN75ALS174ADWR is a high-speed, low-power RS-485/RS-422 differential bus transceiver from Texas Instruments. It is designed for balanced transmission lines and meets the requirements of TIA/EIA-485-A and TIA/EIA-422-B standards. The device operates from a single 5V supply and features a differential output voltage of at least 1.5V across a 54Ω load, enabling reliable communication over long distances. With a data rate of up to 30 Mbps, it is suitable for high-speed industrial networks. The 20-SOIC package allows for compact PCB designs.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage |
4.75V to 5.25V |
| Data Rate |
Up to 30 Mbps |
| Number of Drivers/Receivers |
4 Drivers, 4 Receivers |
| Duplex |
Half-Duplex |
| Output Voltage (Differential) |
≥1.5V (RL=54Ω) |
| Receiver Input Sensitivity |
±200 mV |
| Receiver Input Hysteresis |
50 mV (Typ) |
| Bus-Pin ESD Protection |
±15 kV (HBM) |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-SOIC |
Key Features
- Meets TIA/EIA-485-A and TIA/EIA-422-B standards
- Low power consumption: 30 mW (Typ) per channel
- High data rate: up to 30 Mbps
- Thermal shutdown protection
- Open-circuit, short-circuit, and idle-bus fail-safe receiver
- Glitch-free power-up/power-down protection
- Up to 32 transceivers on a single bus
Target Applications
- Industrial automation networks (e.g., PLC communication modules)
- Building automation (e.g., HVAC controllers)
- Telecommunications equipment (e.g., 5G base station control interfaces)
- Motor control systems (e.g., servo drives)
- Data acquisition systems (e.g., remote terminal units)
- Automotive diagnostics (e.g., vehicle dashboard communication)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN75ALS174ADWR. 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
SN75ALS174ADWR 是德州儀器 (TI) 推出的一款高速、低功耗 RS-485/RS-422 差分匯流排收發器。它專為平衡傳輸線路設計,符合 TIA/EIA-485-A 和 TIA/EIA-422-B 標準。該器件工作在單一 5V 電源下,在 54Ω 負載上提供至少 1.5V 的差分輸出電壓,確保長距離可靠通訊。數據速率高達 30 Mbps,適用於高速工業網路。20-SOIC 封裝有助於實現緊湊的 PCB 設計。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 |
4.75V 至 5.25V |
| 數據速率 |
最高 30 Mbps |
| 驅動器/接收器數量 |
4 個驅動器,4 個接收器 |
| 雙工模式 |
半雙工 |
| 差分輸出電壓 |
≥1.5V (RL=54Ω) |
| 接收器輸入靈敏度 |
±200 mV |
| 接收器輸入遲滯 |
50 mV (典型) |
| 匯流排引腳 ESD 保護 |
±15 kV (HBM) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-SOIC |
核心特性
- 符合 TIA/EIA-485-A 和 TIA/EIA-422-B 標準
- 低功耗:每通道 30 mW (典型)
- 高速數據傳輸:最高 30 Mbps
- 過熱關斷保護
- 開路、短路和空閒匯流排故障安全接收器
- 無干擾的上電/斷電保護
- 單一匯流排最多可連接 32 個收發器
典型應用場景
- 工業自動化網路(例如 PLC 通訊模組)
- 樓宇自動化(例如 HVAC 控制器)
- 電信設備(例如 5G 基地台控制介面)
- 馬達控制系統(例如伺服驅動器)
- 數據採集系統(例如遠程終端單元)
- 汽車診斷(例如車輛儀表板通訊)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN75ALS174ADWR 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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