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Product Overview
The LM4140BCM-2.0/NOPB is a high-precision, low-drift voltage reference from Texas Instruments. It provides a stable 2.048V output with an initial accuracy of ±0.1% and a temperature coefficient as low as 3 ppm/°C (typical). Housed in an 8-pin SOIC package, this device is ideal for precision analog applications requiring a reliable reference voltage.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.048 V |
| Initial Accuracy |
±0.1% (max) |
| Temperature Coefficient |
3 ppm/°C (typ), 10 ppm/°C (max) |
| Supply Voltage Range |
2.7 V to 5.5 V |
| Output Current |
±10 mA |
| Noise (0.1 Hz to 10 Hz) |
2.5 µVpp (typ) |
| Long-Term Stability |
50 ppm/1000 hrs (typ) |
| Operating Temperature |
-40°C to +85°C |
| Package |
8-SOIC |
Key Features
- High initial accuracy: ±0.1% (max)
- Low temperature drift: 3 ppm/°C (typ)
- Low noise: 2.5 µVpp (0.1 Hz to 10 Hz)
- Wide supply range: 2.7 V to 5.5 V
- Sink and source capability: ±10 mA
- Excellent long-term stability
- Industry-standard 8-SOIC package
Target Applications
- Precision data acquisition systems (e.g., ADS1256 ADC reference)
- Industrial process control (e.g., PLC analog input modules)
- Medical instrumentation (e.g., patient monitoring systems)
- Automotive battery management systems (BMS)
- 5G base station power management
- Portable instrumentation (e.g., digital multimeters)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM4140BCM-2.0/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
LM4140BCM-2.0/NOPB 是德州儀器(TI)推出的一款高精度、低漂移電壓基準源。它提供穩定的 2.048V 輸出,初始精度為 ±0.1%,溫度係數典型值低至 3 ppm/°C。採用 8 引腳 SOIC 封裝,非常適合需要可靠基準電壓的精密類比應用。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.048 V |
| 初始精度 |
±0.1%(最大值) |
| 溫度係數 |
3 ppm/°C(典型),10 ppm/°C(最大值) |
| 電源電壓範圍 |
2.7 V 至 5.5 V |
| 輸出電流 |
±10 mA |
| 噪聲(0.1 Hz 至 10 Hz) |
2.5 µVpp(典型) |
| 長期穩定性 |
50 ppm/1000 小時(典型) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
8-SOIC |
核心特性
- 高初始精度:±0.1%(最大值)
- 低溫度漂移:3 ppm/°C(典型)
- 低噪聲:2.5 µVpp(0.1 Hz 至 10 Hz)
- 寬電源範圍:2.7 V 至 5.5 V
- 吸電流和源電流能力:±10 mA
- 優異的長期穩定性
- 業界標準 8-SOIC 封裝
典型應用場景
- 精密數據採集系統(例如 ADS1256 ADC 參考)
- 工業過程控制(例如 PLC 類比輸入模塊)
- 醫療儀器(例如病人監護系統)
- 汽車電池管理系統(BMS)
- 5G 基站電源管理
- 便攜式儀器(例如數字萬用表)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM4140BCM-2.0/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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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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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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