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A 10 000 Frames / s CMOS Digital Pixel Sensor
| Content Provider | Semantic Scholar |
|---|---|
| Author | Kleinfelder, Stuart Lim, Suk Hwan Liu, Xinqiao Gamal, Abbas El |
| Copyright Year | 2001 |
| Abstract | A 352 288 pixel CMOS image sensor chip with perpixel single-slope ADC and dynamic memory in a standard digital 0.18m CMOS process is described. The chip performs “snapshot” image acquisition, parallel 8-bit A/D conversion, and digital readout at continuous rate of 10 000 frames/s or 1 Gpixels/s with power consumption of 50 mW. Each pixel consists of a photogate circuit, a three-stage comparator, and an 8-bit 3T dynamic memory comprising a total of 37 transistors in 9.4 9.4 m with a fill factor of 15%. The photogate quantum efficiency is 13.6%, and the sensor conversion gain is 13.1 V/e . At 1000 frames/s, measured integral nonlinearity is 0.22% over a 1-V range, rms temporal noise with digital CDS is 0.15%, and rms FPN with digital CDS is 0.027%. When operated at low frame rates, on-chip power management circuits permit complete powerdown between each frame conversion and readout. The digitized pixel data is read out over a 64-bit (8-pixel) wide bus operating at 167 MHz, i.e., over 1.33 GB/s. The chip is suitable for general high-speed imaging applications as well as for the implementation of several still and standard video rate applications that benefit from high-speed capture, such as dynamic range enhancement, motion estimation and compensation, and image stabilization. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://isl.stanford.edu/groups/elgamal/abbas_publications/J038.pdf |
| Alternate Webpage(s) | http://isl.stanford.edu/~abbas/group/papers_and_pub/jssc2001.pdf |
| Alternate Webpage(s) | http://www-isl.stanford.edu/people/abbas/group/papers_and_pub/jssc2001.pdf |
| Alternate Webpage(s) | http://www-isl.stanford.edu/~abbas/group/papers_and_pub/jssc2001.pdf |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | 64-bit computing 8-bit Active pixel sensor Alzheimer's Disease Assessment Scale-Cognitive CDISC Version Questionnaire Analog-to-digital converter CMOS Compact discs Comparator Device Component Dynamic range Fill factor (image sensor) Fixed-pattern noise Frame (physical object) Gigabyte Image sensor Integral nonlinearity Memory management Motion estimation Nonlinear system One Thousand Power management Power network design (IC) Snapshot (computer storage) Solar cell Transistor antineoplaston A10 |
| Content Type | Text |
| Resource Type | Article |
