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Product Overview
The LM234DT from STMicroelectronics is a precision 3-terminal adjustable current source temperature sensor. It operates as a true temperature-to-current transducer, delivering an output current proportional to absolute temperature (PTAT). With a wide operating temperature range of -40°C to +125°C and a typical accuracy of ±1°C, it is ideal for remote sensing and temperature compensation in industrial and automotive applications. The device is housed in an 8-pin SOIC package, offering a compact solution for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage Range |
4 V to 30 V |
| Output Current at 25°C |
298 µA (typical) |
| Temperature Coefficient |
1 µA/K |
| Accuracy |
±1°C (typical) |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
8-SOIC |
| Output Impedance |
0.02 Ω (typical) |
Key Features
- 3-terminal adjustable current source
- Output current proportional to absolute temperature
- Wide supply voltage range: 4 V to 30 V
- High accuracy: ±1°C typical
- Low output impedance: 0.02 Ω
- Wide operating temperature range: -40°C to +125°C
- Compact 8-SOIC package
Target Applications
- Temperature monitoring in 5G base station power amplifiers
- Battery temperature sensing in electric vehicle (EV) battery management systems
- Over-temperature protection in automotive dashboard displays
- Temperature compensation for LED lighting drivers
- Industrial process control sensors
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM234DT. 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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Shenzhen with support for HK bank transfers and multi-currency.
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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
LM234DT 是意法半導體(STMicroelectronics)推出的一款精密三端可調電流源溫度傳感器。它作為真正的溫度-電流轉換器,輸出電流與絕對溫度成正比(PTAT)。工作溫度範圍寬達 -40°C 至 +125°C,典型精度為 ±1°C,非常適合工業和汽車應用中的遠程感測和溫度補償。器件採用 8 引腳 SOIC 封裝,為空間受限的設計提供了緊湊的解決方案。
詳細技術參數
| 參數 |
數值 |
| 電源電壓範圍 |
4 V 至 30 V |
| 25°C 時輸出電流 |
298 µA(典型值) |
| 溫度係數 |
1 µA/K |
| 精度 |
±1°C(典型值) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
8-SOIC |
| 輸出阻抗 |
0.02 Ω(典型值) |
核心特性
- 三端可調電流源
- 輸出電流與絕對溫度成正比
- 寬電源電壓範圍:4 V 至 30 V
- 高精度:典型 ±1°C
- 低輸出阻抗:0.02 Ω
- 寬工作溫度範圍:-40°C 至 +125°C
- 緊湊的 8-SOIC 封裝
典型應用場景
- 5G 基站功率放大器的溫度監控
- 電動汽車(EV)電池管理系統中的電池溫度感測
- 汽車儀表盤顯示器的過溫保護
- LED 照明驅動器的溫度補償
- 工業過程控制傳感器
環球供應鏈與批發合作夥伴方案
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