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Product Overview
The LM385M from Texas Instruments is a precision micropower voltage reference diode designed for low-power and portable applications. It offers a fixed 2.5V output with excellent temperature stability and low dynamic impedance. Housed in an 8-pin SOIC package, it is ideal for space-constrained designs requiring a stable reference voltage.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.5V ±1.5% |
| Temperature Coefficient |
20 ppm/°C (typical) |
| Dynamic Impedance |
0.5 Ω (max) |
| Supply Current |
15 µA (max) |
| Operating Temperature |
-40°C to +85°C |
| Package |
8-SOIC |
Key Features
- Fixed 2.5V output with tight tolerance
- Low temperature coefficient: 20 ppm/°C
- Low dynamic impedance: 0.5 Ω
- Ultra-low supply current: 15 µA
- Wide operating temperature range
- No external capacitor required
Target Applications
- Portable battery-powered equipment (e.g., digital multimeters, handheld thermometers)
- Data acquisition systems (e.g., 12-bit ADC reference in industrial sensors)
- Automotive electronics (e.g., dashboard display reference, battery monitoring)
- 5G base station power management (e.g., reference for voltage regulators)
- Medical devices (e.g., portable glucose meters, blood pressure monitors)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM385M. 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
LM385M 是德州儀器 (TI) 推出的一款精密微功耗電壓基準二極管,專為低功耗和便攜式應用設計。它提供固定的 2.5V 輸出,具有出色的溫度穩定性和低動態阻抗。採用 8 引腳 SOIC 封裝,非常適合需要穩定基準電壓的空間受限設計。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.5V ±1.5% |
| 溫度係數 |
20 ppm/°C (典型值) |
| 動態阻抗 |
0.5 Ω (最大值) |
| 電源電流 |
15 µA (最大值) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
8-SOIC |
核心特性
- 固定 2.5V 輸出,容差嚴格
- 低溫度係數:20 ppm/°C
- 低動態阻抗:0.5 Ω
- 超低電源電流:15 µA
- 寬工作溫度範圍
- 無需外部電容
典型應用場景
- 便攜式電池供電設備(例如數字萬用表、手持溫度計)
- 數據採集系統(例如工業傳感器中的 12 位 ADC 基準)
- 汽車電子(例如儀表盤顯示基準、電池監控)
- 5G 基站電源管理(例如電壓調節器基準)
- 醫療設備(例如便攜式血糖儀、血壓計)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM385M 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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