Both CMOS bandgap voltage references and temperature sensors rely on the temperature behavior of either CMOS substrate BJTs or MOS transistors in weak inversion. Bipolar transistors are generally ...

Written by Kevin (KTOWN) Townsend for Adafruit Industries. BSD license, check license.txt for more information All text above must be included in any redistribution To install, use the Arduino Library ...

A low-cost temperature sensor with on-chip sigma-delta ADC and digital bus interface was realized in a 0.5 /spl mu/m CMOS process. Substrate PNP transistors are used for temperature sensing and for ...