- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：电压基准 - 并联电压基准
- 功能描述：2.5V 集成参考电路
- 点击这里打开及下载LT1009M的技术文档资料
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The LT1009 reference circuit is a precision-trimmed 2.5-V shunt regulator featuring low dynamic impedance and a wide operating current range. The reference tolerance is achieved by on-chip trimming, which minimizes the initial voltage tolerance and the temperature coefficient, αVZ.
Although the LT1009 needs no adjustments, a third terminal (ADJ) allows the reference voltage to be adjusted ±5% to eliminate system errors. In many applications, the LT1009 can be used as a terminal-for-terminal replacement for the LM136-2.5, which eliminates the external trim network.
The LT1009 uses include 5-V system references, 8-bit analog-to-digital converter (ADC) and digital-to-analog converter (DAC) references, and power-supply monitors. The device also can be used in applications such as digital voltmeters and current-loop measurement and control systems.
The LT1009 is characterized for operation from –55°C to 125°C.
- Excellent Temperature Stability
- Initial Tolerance: 0.2% Typical
- Dynamic Impedance: 0.6 Ω Typical
- Wide Operating Current Range
- Directly Interchangeable With LM136
- Needs No Adjustment for Minimum Temperature Coefficient
- Available in Military (–55°C/125°C) Temperature Range(1)
(1) Custom temperature ranges available
- VO (V)
- 2.5
- Reference voltage
- Fixed
- Initial accuracy (Max) (%)
- 0.2
- VO adj (Min) (V)
- 2.5
- VO adj (Max) (V)
- 2.5
- Iz for regulation (Min) (uA)
- 400
- Rating
- Military
- Temp coeff (Max) (ppm/ degree C)
- 35
- Operating temperature range (C)
- -55 to 125
- Iout/Iz (Max) (mA)
- 10
LT1009M的完整型号有：LT1009MKGD1，以下是这些产品的关键参数及官网采购报价：
LT1009MKGD1，工作温度：-55 to 125，封装： (KGD)-0，包装数量MPQ：100个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：Call TI，TI官网LT1009MKGD1的批量USD价格：7.231（1000+）
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