A charge coupled device (or CCD) is a type of electronic image sensor found in many digital cameras. CCDs are semiconductor devices that need to be housed in an assembly in order to be mounted and connected to a circuit board.
Features
A detector chip assembly includes the necessary packaging and connections for electrically connecting the CCD device to a circuit and for mounting the CCD device to a printed circuit board.
Function
A CCD detector chip assembly generates an electrical signal representing light levels striking the surface of the chip. The electrical signal is processed by electronic circuitry in a camera (or other device) to generate a digital image.
Size
CCD detectors come in a variety of sizes. The size of the CCD detector chip assembly is based on the application. For example, a high quality digital SLR camera may have a larger CCD sensor than a mobile phone.
Considerations
An advantage of CCD detector chips is that they provide a consistent image quality across the sensor. However, a drawback of CCD detector chips is that their output is typically analog and must be converted to a digital signal by supporting electronic components.
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