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| resources:eval:user-guides:circuits-from-the-lab:cn0206 [30 Jul 2021 07:21] – Victor Calinao, Jr | resources:eval:user-guides:circuits-from-the-lab:cn0206 [20 Nov 2023 03:12] (current) – Deprecated Joyce Velasco |
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| ====== Complete Type T Thermocouple Measurement System with Cold Junction Compensation (CN0206)====== | ====== CN0206 -- Complete Type T Thermocouple Measurement System with Cold Junction Compensation (DEPRECATED) ====== |
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| | <note important>This particular reference design has been **RETIRED** or **DEPRECATED**, which means it is no longer supported. This page is here for historical/reference purposes only. </note> |
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| ===== Overview ===== | ===== Overview ===== |
| This circuit is a complete thermocouple system based on the [[adi>AD7793|AD7793]] 24-bit sigma-delta analog-to-digital converter (ADC). The [[adi>AD7793|AD7793]] is a low power, low noise, complete analog front end for high precision measurement applications. The device includes a programmable gain amplifier (PGA), an internal reference, an internal clock, and excitation currents, thereby greatly simplifying the thermocouple system design. | This circuit is a complete thermocouple system based on the [[adi>AD7793|AD7793]] 24-bit sigma-delta analog-to-digital converter (ADC). The [[adi>AD7793|AD7793]] is a low power, low noise, complete analog front end for high precision measurement applications. The device includes a programmable gain amplifier (PGA), an internal reference, an internal clock, and excitation currents, thereby greatly simplifying the thermocouple system design. |
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| The [[adi>AD7793|AD7793]] consumes only 500uA maximum, making it suitable for any lower power application, such as smart transmitters where the complete transmitter must consume less than 4mA. | The [[adi>AD7793|AD7793]] consumes only 500uA maximum, making it suitable for any lower power application, such as smart transmitters where the complete transmitter must consume less than 4mA. |
