https://www.selleckchem.com/pr....oducts/ipi-145-ink11
This paper presents a new type of time domain CMOS temperature sensor with a 9b successive approximation register (SAR) control logic and a fine delay line. We adopted an N-type poly resistor as the sensing element for temperature linearity. The chip was implemented in a standard 0.18 m 1P6M bulk CMOS process with general VTH transistors and the active die area was 0.432 mm2. The temperature resolution was 0.49 °C and the temperature error was from -1.6 to +0.6 °C over the range of 0 to 100 °C after two-point calibration. The su
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