A 120-dB dynamic range CMOS image sensor with programmable power responsivity

被引：0

作者：

Stoppa, David ^{[1
]}

Simoni, Andrea ^{[1
]}

Baschirotto, Andrea ^{[2
]}

Vatteroni, Monica ^{[3
]}

Sartori, Alvise ^{[3
]}

机构：

[1] IRST, Ctr Ric Sci & Tecnol, ITC, Via Sommar 18, I-38050 Trento, Italy

[2] Univ Salento, Dept Innovat Engn, Lecce, Italy

[3] Neuricam SpA, Trento, Italy

来源：

ESSCIRC 2006: PROCEEDINGS OF THE 32ND EUROPEAN SOLID-STATE CIRCUITS CONFERENCE | 2006年

关键词：

CMOS active pixel; wide dynamic range; image sensor; digital cameras; video camera;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A high dynamic range CMOS image sensor providing a user-programmable power responsivity curve is presented. Each 15x15 mu m(2)-pixel cell integrates, besides a 4T active pixel structure, a voltage comparator and an analog memory to implement a time-to-saturation scheme while also providing the standard integrated photo-current signal. A 140x140-pixel array has been fabricated in a 0.35-mu m, 3.3-V standard CMOS technology. The sensor features a typical dynamic range of 120 dB with a temporal noise lower than 0.13% and a fixed pattern noise of 0.4% (1.7%) at low (high) irradiance.

引用

页码：420 / +

页数：2

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