3.3 V local temperature sensor with ratiometric output
The AD22103KRZ-RL is a 3.3 V ratiometric temperature sensor from Analog Devices, delivering an analog output voltage proportional to the local die temperature. The output scale is 28 mV/°C, so a 0°C reading gives 0 V and 100°C gives 2.8 V — a direct linear mapping that simplifies the ADC scaling in the downstream controller. The sensor accuracy is ±2°C typical at 25°C, with a worst-case ±2.5°C across the full 0°C to 100°C range — adequate for equipment monitoring, thermal management, and environmental sensing where tight tolerance is not the primary spec.