temperature sensors , bandgap references , AC simulations, Spectre AMS, mixed-signal circuit design, DNL, ADEXL, op-amps, biasing circuits, INL, Cadence Virtuoso suite, low-noise Sigma-Delta converters, Layout XL, THD, precision analog circuits, CMOS technologies, DC operating point, noise, Schematic Maestro, Stability, frequency response, LDOs, mismatch analysis