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Product Overview
The LM285DRG4-2-5 from Texas Instruments is a precision micropower shunt voltage reference designed for low-power and space-constrained applications. It provides a stable 2.5V output with an initial accuracy of ±1.5% and operates over a wide current range from 20 µA to 20 mA. Housed in an 8-pin SOIC package, this device offers excellent temperature stability and low dynamic impedance, making it ideal for portable instrumentation, data acquisition systems, and industrial control.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.5 V |
| Initial Accuracy |
±1.5% |
| Temperature Coefficient |
20 ppm/°C (typical) |
| Operating Current Range |
20 µA to 20 mA |
| Dynamic Impedance |
0.5 Ω (typical) |
| Package |
8-SOIC |
| Operating Temperature Range |
-40°C to +85°C |
Key Features
- Precision 2.5V shunt voltage reference
- Low quiescent current: 20 µA minimum
- Wide operating current range
- Low dynamic impedance ensures stable output
- Excellent temperature stability
- Small 8-SOIC package for space-saving designs
Target Applications
- Portable battery-powered instruments (e.g., digital multimeters)
- Data acquisition systems (e.g., 16-bit ADC reference)
- Industrial process control (e.g., PLC analog input modules)
- Automotive electronics (e.g., dashboard sensor reference)
- 5G base station power management (e.g., bias reference for RF amplifiers)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM285DRG4-2-5. 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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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
LM285DRG4-2-5 是德州儀器(TI)推出的一款精密微功耗並聯電壓基準,專為低功耗和空間受限的應用而設計。它提供穩定的 2.5V 輸出,初始精度為 ±1.5%,並可在 20 µA 至 20 mA 的寬電流範圍內工作。該器件採用 8 引腳 SOIC 封裝,具有出色的溫度穩定性和低動態阻抗,非常適合便攜式儀器、數據採集系統和工業控制。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.5 V |
| 初始精度 |
±1.5% |
| 溫度係數 |
20 ppm/°C(典型值) |
| 工作電流範圍 |
20 µA 至 20 mA |
| 動態阻抗 |
0.5 Ω(典型值) |
| 封裝 |
8-SOIC |
| 工作溫度範圍 |
-40°C 至 +85°C |
核心特性
- 精密 2.5V 並聯電壓基準
- 低靜態電流:最低 20 µA
- 寬工作電流範圍
- 低動態阻抗確保輸出穩定
- 出色的溫度穩定性
- 小型 8-SOIC 封裝,節省空間
典型應用場景
- 便攜式電池供電儀器(例如數字萬用表)
- 數據採集系統(例如 16 位 ADC 基準)
- 工業過程控制(例如 PLC 模擬輸入模塊)
- 汽車電子(例如儀表板傳感器基準)
- 5G 基站電源管理(例如射頻放大器偏置基準)
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