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A Multimodal CMOS Readout IC for SWIR Image Sensors with Dual-Mode BDI/DI Pixels and Column-Parallel Two-Step Single-Slope ADC
- Yuyan Zhang,
- Zhifeng Chen,
- Yaguang Yang,
- Huangwei Chen,
- Jie Gao,
- Zhichao Zhang and
- Chengying Chen
This paper proposes a dual-mode CMOS analog front-end (AFE) circuit for short-wave infrared (SWIR) image sensors, which integrates a hybrid readout circuit (ROIC) and a 12-bit two-step single-slope analog-to-digital converter (TS-SS ADC). The ROIC dy...