AD8495 ARMZ Thermocouple Precision Thermal Coupling Amplifier Module K-Type Analog Output

Features 1 AD8495 Type K thermocouple amplifier These amplifiers convert the small voltage generated by the thermocouple junction into an analog to digital converter ADC or a signal that the microcontroller can easily read The gain from the thermocouple to the amplifier output is approximately 5 mV C 2 The AD8495 performs cold junction compensation using an on chip temperature sensor Thermocouples provide accurate measurements over a wide range of ambient temperatures 3 The AD8495 contains a high precision instrumentation amplifier The amplifier has high common mode rejection and rejects common mode noise that long wire thermocouples may pick up For extra protection the amplifiers high impedance input allows for easy additional filtering 4 The AD8495 supports a wide supply voltage range With a single 5V supply the AD849x can cover a thermocouple temperature range of nearly 1000 degrees It can interface directly to a low supply voltage ADC from a 3V supply It can also be powered from up to 18V to support industrial systems that require a wide common mode input range 5 Regardless of the power rail used the AD8495 can easily measure negative temperatures The 0C output can be adjusted with the voltage on the reference pin which provides flexibility in adapting the AD849x output range to accommodate the ADC 6 Stable input design can handle a variety of actual connection conditions The CJMCU 8495 can withstand input voltages well above the power rail For exam