In a CMOS sensor, the charge from the photosensitive pixel is converted to a voltage at the pixel site and the signal is multiplexed by row and column to multiple on chip digital-to-analog converters (DACs). Inherent to its design, CMOS is a digital device.
How much does a CMOS sensor cost?
CMOS image sensors are produced in bulk for many low-end applications, e.g., low-end digital still cameras, PDAs, and mobile phones, with a cost of production ranging from $4–$10, depending on the application.
What are image sensors used for?
However they are classified, the purpose of image sensors are the same; to convert incoming light (photons) into an electrical signal that can be viewed, analyzed, or stored. Image sensors are a solid-state device and serve as one of the most important components inside a machine vision camera.