CA21100081A06

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Introduction

CA21100081A06 is a widely used type of digital temperature sensor. It has a high sensitivity of accuracy, which can realize fast temperature up and down tracking, under big temperature, small power consumption. It is made up of an ultra-low power PGA control chip, a 12-bit digital temperature sensing chip, and a high-precision analog temperature sensing module. It has a wide application field such as home appliances, air conditioners, refrigerators, etc.

Application Field

CA21100081A06 can be applied to various types of equipment, such as home appliances, air conditioners, refrigerators, infrared radiators, etc. It can also be used in the field of industry automation, such as temperature measurement, temperature control, environment control, manual environment control, and so on. The temperature probe can also be used in automobiles, electronic medical instruments, and other fields. Additionally, since this temperature sensor has a high linearity of accuracy, it can also be used in power systems.

Working Principle

The general method of temperature measurement used by the CA21100081A06 is by using a cold junction compensation (CJC) technique. In general, it uses two temperature sensors to measure the environment temperature and then generate corresponding voltage signals. The CJC technique consists of two temperature sensors of different ranges, relative to each other. These two sensors can measure the temperature difference between the two directly by the voltage value difference. The measured temperature is proportional to the voltage difference, and the actual measurement is obtained by calibrating the temperature differences.

The CA21100081A06 uses a module with an ultra-low power PGA control IC, and a 12-bit digital temperature sensing chip. The analog temperature sensing module has a wide dynamic range, 40-110C, very good linearity, and low power consumption. The working principle and application field of the CA21100081A06 are respectively:

1. First of all, a voltage signal is generated according to the temperature difference of the two temperature probes. Then, the voltage signal is amplified by a low-power PGA control IC.

2. Secondly, the amplified voltage signal is fed to a 12-bit digital temperature sensing chip, which converts the signal into digital data and calculates the temperature.

3. Finally, the digital data is transmitted to the host computer via serial communications like IIC, and then the temperature value is displayed on the controller.

Conclusion

In summary, CA21100081A06 is a digital temperature sensor with a wide application field and high accuracy, which can be used in home appliances, air conditioners, refrigerators, power systems, and so on. It has an ultra-low power PGA control IC, a 12-bit digital temperature sensing chip, and a high-precision analog temperature sensing module. The temperature is measured by the CJC technique, which is achieved by using two temperature sensors to measure the temperature difference and then calibrating the temperature difference to get the actual measurement.

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