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Product Overview
The LM4040BIM3X-3.0/NOPB is a precision micropower shunt voltage reference from Texas Instruments, offering a fixed 3.0V output with an initial accuracy of ±0.2% (B grade). Housed in a compact SOT-23-3 package, it is designed for space-constrained applications requiring a stable and accurate reference voltage. With a low operating current of 60 µA (typical) and the ability to sink up to 15 mA, it is ideal for battery-powered and portable devices. The device features excellent temperature stability (50 ppm/°C typical) and low output noise, making it suitable for precision analog circuits.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
3.0 V |
| Initial Accuracy |
±0.2% (B grade) |
| Temperature Coefficient |
50 ppm/°C (typical) |
| Operating Current (IIN) |
60 µA (typical), 80 µA (max) |
| Output Current (Sink) |
15 mA (max) |
| Output Noise (10 Hz – 10 kHz) |
35 µVRMS (typical) |
| Long-Term Stability |
50 ppm/1000 hrs (typical) |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
SOT-23-3 |
Key Features
- Fixed 3.0V output with ±0.2% initial accuracy
- Low operating current: 60 µA typical
- Wide operating current range: 60 µA to 15 mA
- Excellent temperature stability: 50 ppm/°C typical
- Low output noise: 35 µVRMS typical
- No external capacitor required for stability
- Compact SOT-23-3 package
- RoHS compliant and lead-free
Target Applications
- Portable battery-powered equipment (e.g., digital multimeters, handheld medical devices)
- Data acquisition systems (e.g., ADC/DAC reference in industrial sensors)
- Automotive electronics (e.g., dashboard displays, infotainment systems)
- Telecommunications infrastructure (e.g., 5G base station power management)
- Precision analog circuits (e.g., op-amp biasing, comparator thresholds)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM4040BIM3X-3.0/NOPB. 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
LM4040BIM3X-3.0/NOPB 是德州儀器(TI)推出的一款精密微功耗並聯電壓參考,提供固定的 3.0V 輸出,初始精度為 ±0.2%(B 級)。採用緊湊的 SOT-23-3 封裝,適用於需要穩定且準確參考電壓的空間受限應用。典型工作電流僅 60 µA,最大可灌電流 15 mA,非常適合電池供電和便攜設備。該器件具有出色的溫度穩定性(典型值 50 ppm/°C)和低輸出噪聲,適用於精密模擬電路。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
3.0 V |
| 初始精度 |
±0.2%(B 級) |
| 溫度係數 |
50 ppm/°C(典型值) |
| 工作電流(IIN) |
60 µA(典型值),80 µA(最大值) |
| 輸出電流(灌電流) |
15 mA(最大值) |
| 輸出噪聲(10 Hz – 10 kHz) |
35 µVRMS(典型值) |
| 長期穩定性 |
50 ppm/1000 小時(典型值) |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
SOT-23-3 |
核心特性
- 固定 3.0V 輸出,初始精度 ±0.2%
- 低工作電流:典型值 60 µA
- 寬工作電流範圍:60 µA 至 15 mA
- 出色的溫度穩定性:典型值 50 ppm/°C
- 低輸出噪聲:典型值 35 µVRMS
- 無需外部電容即可穩定工作
- 緊湊的 SOT-23-3 封裝
- 符合 RoHS 標準,無鉛
典型應用場景
- 便攜電池供電設備(例如數字萬用表、手持醫療設備)
- 數據採集系統(例如工業傳感器中的 ADC/DAC 參考)
- 汽車電子(例如儀表盤顯示、信息娛樂系統)
- 電信基礎設施(例如 5G 基站電源管理)
- 精密模擬電路(例如運算放大器偏置、比較器閾值)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM4040BIM3X-3.0/NOPB 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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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
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Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
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