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本文介绍了两种流行的集成温度传感器,即LM135/235/335系列和AD590系列温度传感器。详细分析了它们的电路工作原理。供使用者参考。半导体器件本身就是温度敏感元件,利用这种特性可以制成各种类型的温度传感器。面集成温度传感器,由于将敏感元件与放大器和补偿电路集成在一起,使它的性能和灵敏度显著提高,带负载能力增强,从而大大简化了实用测温电路的设计。这里介绍目前市场上流行的两类主要的温度传感器。一类是输出电压与绝对温度成正比的温度传感器,典型产品有国际半导体公司的LM135/235/335系列。另一类是输出电流与绝对温度成正比的温度传感器,典型产品有模拟器件公司的AD590系列。
This article describes two popular integrated temperature sensors, the LM135 / 235/335 series and the AD590 series of temperature sensors. Detailed analysis of their circuit works. For user’s reference. The semiconductor device itself is a temperature-sensitive element, using this feature can be made of various types of temperature sensors. Surface temperature sensor integration, due to the sensitive components and amplifier and compensation circuit integration, its performance and sensitivity significantly improved, with increased load capacity, which greatly simplifies the design of practical temperature measurement circuit. Here are the two main types of temperature sensors currently on the market. One is the output voltage and absolute temperature is proportional to the temperature sensor, a typical product of the International Semiconductor’s LM135 / 235/335 series. The other is the output current is proportional to the absolute temperature of the temperature sensor, a typical product company Analog Devices AD590 series.