Low FPN High Gain Capacitive Transimpedance Amplifier for Low Noise CMOS Image Sensors

Abstract

In this paper we introduce a low fixed pattern noise (LFPN) capacitive transimpedance amplifier (CTIA) for active pixel CMOS image sensors (APS) with high switchable gain and low read noise. The LFPN CTIA APS uses a switched capacitor voltage divider feedback circuit to achieve high sensitivity, low gain FPN, and low read noise. This paper discusses the… (More)

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