Fig. 7: Measurement results of MEMS gyroscope with different BGRs.
From: A 0.82 μVrms ultralow 1/f noise bandgap reference for a MEMS gyroscope
a Die photo of the MEMS gyroscope. b Bias instability test environment. c Readout circuit of the MEMS gyroscope. d Allan variance curve with commercial BGR LTC6656. e Allan variance curve with commercial BGR REF3312. f Allan variance curve with commercial BGR MAX6001. g Allan variance curve with the proposed BGR. h The curve of BI versus BGR’s 1/f noise
