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Product Overview
The LM4040D82ILPR from Texas Instruments is a precision micropower shunt voltage reference offering a fixed output voltage of 8.192V with an initial accuracy of ±0.5%. Housed in a TO-92-3 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 excellent temperature stability (100 ppm/°C max), it is ideal for battery-powered equipment, industrial sensors, and data acquisition systems.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage (VREF) |
8.192 V |
| Initial Accuracy |
±0.5% (max) |
| Temperature Coefficient |
100 ppm/°C (max) |
| Operating Current (IREF) |
60 µA (typical) |
| Output Impedance |
0.5 Ω (typical) |
| Noise (10 Hz to 10 kHz) |
20 µVrms (typical) |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
TO-92-3 |
Key Features
- Precision 8.192V output with ±0.5% initial accuracy
- Low temperature coefficient: 100 ppm/°C max
- Low operating current: 60 µA typical
- Low output impedance: 0.5 Ω typical
- No load stability: stable with capacitive loads up to 10 nF
- Wide operating temperature range: -40°C to +85°C
- TO-92-3 package for easy integration
Target Applications
- 5G base station power management modules
- Automotive dashboard display reference
- Industrial sensor interfaces (e.g., pressure, temperature)
- Battery monitoring systems in portable devices
- Data acquisition systems (e.g., ADC reference)
- Precision current sources
Global Supply Chain & Wholesale Solutions
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LM4040D82ILPR. Our core advantages include:
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產品概述
LM4040D82ILPR 是德州儀器 (TI) 的一款精密微功耗並聯電壓基準,提供 8.192V 固定輸出電壓,初始精度為 ±0.5%。採用 TO-92-3 封裝,適用於需要穩定且準確基準電壓的空間受限應用。典型工作電流僅 60 µA,溫度係數最大 100 ppm/°C,非常適合電池供電設備、工業傳感器和數據採集系統。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 (VREF) |
8.192 V |
| 初始精度 |
±0.5% (最大值) |
| 溫度係數 |
100 ppm/°C (最大值) |
| 工作電流 (IREF) |
60 µA (典型值) |
| 輸出阻抗 |
0.5 Ω (典型值) |
| 噪聲 (10 Hz 至 10 kHz) |
20 µVrms (典型值) |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
TO-92-3 |
核心特性
- 精密 8.192V 輸出,初始精度 ±0.5%
- 低溫度係數:最大 100 ppm/°C
- 低工作電流:典型 60 µA
- 低輸出阻抗:典型 0.5 Ω
- 無負載穩定性:可穩定驅動高達 10 nF 的容性負載
- 寬工作溫度範圍:-40°C 至 +85°C
- TO-92-3 封裝,易於集成
典型應用場景
- 5G 基站電源管理模塊
- 汽車儀表盤顯示基準
- 工業傳感器接口(如壓力、溫度)
- 便攜設備電池監控系統
- 數據採集系統(如 ADC 基準)
- 精密電流源
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