Resistor-based Temperature Sensors In Cmos Tech... Apr 2026
Utilizing the back-end-of-line (BEOL) metal layers provides a very stable, albeit lower, TCR, making them useful for specific high-stability requirements.
The fundamental principle involves measuring the voltage drop across these resistors when biased with a constant current or using them within a Wheatstone bridge configuration. Advantages over Traditional BJT Sensors Resistor-based Temperature Sensors in CMOS Tech...
Resistor-based oscillators (where the frequency is modulated by resistance changes) allow for direct time-to-digital conversion, simplifying the analog-to-digital interface. Challenges and Trade-offs different materials offer varying thermal responses:
At the heart of a resistor-based sensor is the Temperature Coefficient of Resistance (TCR). In CMOS processes, different materials offer varying thermal responses: Resistor-based Temperature Sensors in CMOS Tech...