LT1009M 2.5V 集成参考电路 | 德州仪器 TI.com.cn

LT1009M (正在供货)

2.5V 集成参考电路

2.5V 集成参考电路 - LT1009M
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描述

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.

特性

  • 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

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参数 与其它产品相比 串联电压基准

 
VO (V)
Initial Accuracy (Max) (%)
Temp Coeff (Max) (ppm/ degree C)
Rating
Operating Temperature Range (C)
Iout/Iz (Max) (mA)
LT1009M
2.5    
0.2    
35    
Military    
-55 to 125    
10