420 / 2019-02-26 11:22:35

A 160×120 ROIC with Non-uniformity Calibration for Silicon Diode Uncooled IRFPA

ROIC,Uncooled IRFPA,Silicon Diode,NUC,Low-noise DAC,Blind Pixel

全体主题 > Analog Circuits

This paper presents a ROIC (Readout Integrated Circuit) with NUC (Non-uniformity Calibration), which is applied in a silicon diode uncooled IRFPA (Infrared Focal Plane Array). We propose blind pixel to calibrate chip temperature non-uniformity and DAC-based calibration for calibrating process non-uniformity. The ROIC is fabricated using a 0.35μm CMOS process with array size of 160×120. Power consumption of the ROIC is 41mW, noise of the DAC is less than 2μV, and the circuit’s SNR (Signal-to-Noise Ratio) is 72dB.