The fingerprint sensor we provide, based on capacitive-contact technology with hardened surface and enhanced ESD resistivity. The build-in analog and digital circuitry minimizes the number of external component, and provides easy-to-use, standard SPI interface to microprocessors. The operation is controlled through fingerprint image sensing by pixel array, A/D converting, digital process, following is simple interface protocol. The captured image quality can be adjusted by setting gain, offset and reference voltage parameters. In addition, the internal operation parameter and interface speed can also be configured to the need.
Relevant applications are security devices and identification / recognition systems .
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