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Product Overview
The SN75ALS193DR from Texas Instruments is a differential line transceiver designed for RS-485 and RS-422 communication. It operates from a single 5V supply and supports data rates up to 250 kbps. The device features a half-duplex configuration with a differential driver and receiver, making it ideal for balanced transmission lines. Housed in a 16-pin SOIC package, it offers robust performance for industrial and telecom applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage |
4.75V to 5.25V |
| Data Rate |
250 kbps |
| Number of Drivers |
1 |
| Number of Receivers |
1 |
| Duplex |
Half |
| Output Voltage (Driver) |
±1.5V min (with 54Ω load) |
| Receiver Input Sensitivity |
±200 mV |
| Receiver Hysteresis |
50 mV typical |
| Common-Mode Voltage Range |
-7V to +12V |
| ESD Protection |
±15 kV (HBM) |
| Operating Temperature |
0°C to +70°C |
| Package |
16-SOIC |
Key Features
- Single 5V supply operation
- Low power consumption: 30 mW typical
- Designed for RS-485 and RS-422 applications
- Half-duplex communication
- Driver output short-circuit protection
- Thermal shutdown protection
- Receiver input impedance: 12 kΩ (1 unit load)
- Up to 32 transceivers on a single bus
- Glitch-free power-up/power-down
Target Applications
- 5G base station control and monitoring interfaces
- Industrial automation PLC communication modules
- Building automation systems (e.g., HVAC controllers)
- Telecommunication equipment (e.g., PBX systems)
- Automotive diagnostic interfaces (e.g., CAN bus replacement)
- Data acquisition systems for remote sensors
Global Supply Chain & Wholesale Solutions
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SN75ALS193DR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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Quality Assurance & Compliance
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with full quality assurance and traceability.
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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
SN75ALS193DR 是德州儀器 (TI) 推出的差分線路收發器,專為 RS-485 和 RS-422 通信設計。它採用單一 5V 電源供電,支持高達 250 kbps 的數據速率。該器件具有半雙工配置,包含差分驅動器和接收器,非常適合平衡傳輸線路。採用 16 引腳 SOIC 封裝,為工業和電信應用提供穩健性能。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 |
4.75V 至 5.25V |
| 數據速率 |
250 kbps |
| 驅動器數量 |
1 |
| 接收器數量 |
1 |
| 雙工模式 |
半雙工 |
| 驅動器輸出電壓 |
±1.5V 最小值 (54Ω 負載) |
| 接收器輸入靈敏度 |
±200 mV |
| 接收器遲滯 |
50 mV 典型值 |
| 共模電壓範圍 |
-7V 至 +12V |
| ESD 保護 |
±15 kV (HBM) |
| 工作溫度 |
0°C 至 +70°C |
| 封裝 |
16-SOIC |
核心特性
- 單一 5V 電源供電
- 低功耗:典型值 30 mW
- 專為 RS-485 和 RS-422 應用設計
- 半雙工通信
- 驅動器輸出短路保護
- 熱關斷保護
- 接收器輸入阻抗:12 kΩ (1 單位負載)
- 總線上最多可連接 32 個收發器
- 無干擾上電/斷電
典型應用場景
- 5G 基站控制與監控接口
- 工業自動化 PLC 通信模塊
- 樓宇自動化系統 (如 HVAC 控制器)
- 電信設備 (如 PBX 系統)
- 汽車診斷接口 (如 CAN 總線替代)
- 遠程傳感器數據採集系統
環球供應鏈與批發合作夥伴方案
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