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Product Overview
The LM385LPE3-2-5 from Texas Instruments is a precision micropower voltage reference diode offering a fixed 2.5V output with excellent temperature stability. Housed in a TO-92-3 package, it is designed for low-power and portable applications where space and power efficiency are critical. With an initial tolerance of ±1.5% and a temperature coefficient as low as 20ppm/°C, it provides a stable reference for analog-to-digital converters, battery-powered instruments, and industrial control systems.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.5V |
| Initial Tolerance |
±1.5% (max) |
| Temperature Coefficient |
20ppm/°C (typical) |
| Operating Current |
10µA to 20mA |
| Output Impedance |
0.6Ω (typical) |
| Noise (10Hz-10kHz) |
60µVp-p (typical) |
| Operating Temperature |
-40°C to +85°C |
| Package |
TO-92-3 |
Key Features
- Fixed 2.5V output with low drift
- Wide operating current range: 10µA to 20mA
- Low dynamic impedance: 0.6Ω typical
- Excellent temperature stability: 20ppm/°C
- No external capacitor required
- TO-92-3 package for easy integration
Target Applications
- Battery-powered instrumentation (e.g., portable multimeters)
- Data acquisition systems (e.g., 12-bit ADC reference)
- Industrial process control (e.g., 4-20mA loop references)
- 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
LM385LPE3-2-5. Our core advantages include:
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testing samples and urgent shortage components.
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with full quality assurance and traceability.
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be authentic with strict quality control.
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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
LM385LPE3-2-5 是德州儀器(TI)推出的一款精密微功耗電壓參考二極管,提供固定的2.5V輸出,具有出色的溫度穩定性。採用TO-92-3封裝,專為低功耗和便攜式應用設計,在空間和功耗效率至關重要的場景中表現優異。初始容差為±1.5%,溫度係數低至20ppm/°C,可為模數轉換器、電池供電儀器和工業控制系統提供穩定的參考電壓。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.5V |
| 初始容差 |
±1.5%(最大值) |
| 溫度係數 |
20ppm/°C(典型值) |
| 工作電流 |
10µA 至 20mA |
| 輸出阻抗 |
0.6Ω(典型值) |
| 噪聲(10Hz-10kHz) |
60µVp-p(典型值) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
TO-92-3 |
核心特性
- 固定2.5V輸出,低漂移
- 寬工作電流範圍:10µA 至 20mA
- 低動態阻抗:典型值0.6Ω
- 出色的溫度穩定性:20ppm/°C
- 無需外部電容
- TO-92-3封裝,易於集成
典型應用場景
- 電池供電儀器(例如便攜式萬用表)
- 數據採集系統(例如12位ADC參考)
- 工業過程控制(例如4-20mA迴路參考)
- 汽車電子(例如儀表板傳感器參考)
- 5G基站電源管理(例如射頻放大器偏置參考)
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