Analog Output K-Type Thermocouple Amplifier - AD8495 Breakout

Introducing the AD8495 K-type thermocouple amplifier from Analog Devices, an easy-to-use analog output amplifier designed to work seamlessly with K-type thermocouples. This compact and simple sensor requires just a microcontroller with analog input capability to start measuring temperature. Power it with 3-18V DC and measure the output voltage from the OUT pin. The temperature can be calculated using the formula: Temperature = (Vout - 1.25) / 0.005V. For example, if the output voltage is 1.5V, the temperature is 50°C.

This fully assembled board comes with:

• A 2-pin terminal block for connecting a K-type thermocouple
• AD8495 amplifier and TLVH431 1.25V precision voltage reference
• A pin header for easy connection to breadboards or perfboards

The AD8495 amplifier works exclusively with K-type thermocouples and is not compatible with other types. It pairs well with our 1m K-type thermocouple (sold separately). The amplifier offers a straightforward analog output for easy integration with microcontrollers.

Temperature Range:

• With 5V power: -250°C to +750°C (0 to 5V output)
• With 3.3V power: -250°C to +410°C (0 to 3.3V output)

Key Features:

• Easy-to-use analog output
• Temperature measurement made simple with a conversion formula
• Compatible only with K-type thermocouples
• Excellent accuracy: ±1°C around room temperature, ±2°C from −25°C to +400°C
• Compact and fully assembled with all components included

Technical Specifications:

• Supply Voltage: 3-18V DC
• Sensing Accuracy: ±1°C around room temperature, ±2°C for −25°C to +400°C (consult AN-1087 app note for range beyond this)
• Works with K-type thermocouples only

The terminal blocks may come in either blue or black, and assembly is quick and straightforward. This amplifier is perfect for projects requiring accurate temperature measurement with minimal setup.

Recent Updates:

• March 15, 2024: Pre-soldered terminal block added
• May 15, 2023: PCB updated with a new, clearer silkscreen design

Easily integrate this thermocouple amplifier into your next project and get precise temperature readings fast!