The pressure-sensor amplifier circuit of Figure 1 offers a number of advantages over the traditional approach using the classic three-op-amp instrumentation amplifier. The circuit can operate from a ...

Many industrial and medical applications use instrumentation amplifiers (INA) to condition small signals in the presence of large common-mode voltages and DC potentials. The three op amp INA ...

Resistor-temperature detectors (RTDs), are the most stable and popular temperature sensors. Platinum RTDs allow for a much wider range of temperatures ...

Basic RTD circuits require a constant current source for biasing an analog circuit such as an instrumentation amplifier. Like the thermistor, the RTD develops an output voltage equal to I RRTD.

This easily covers the RTD temperature range of –200°C to 384°C, according to the sensor datasheet from Omega Engineering Corp. 1 By changing the gain of the differential amplifier or the ...

Adafruit explains more about the new Adafruit PT1000 RTD Temperature Sensor Amplifier – MAX31865, which is available to purchase by following the link below.

Arguably, this advice applies to the circuit design used in many RTD sensors that quietly and efficiently measure temperature in industrial manufacturing facilities worldwide. However, to meet the ...