Abstract: A fingerprint identification device and a method for manufacturing the fingerprint identification device are provided. The fingerprint identification device includes a solder ball array, a re-distribution layer, an image sensing integrated circuit (IC), a light emitting circuit, a photic layer and a molding material. The re-distribution layer disposed on the solder ball array is electrically connected to a plurality of solder balls. The image sensing IC includes a plurality of through silicon vias (TSVs), and the TSVs are correspondingly electrically connected to the solder balls, respectively, through the re-distribution layer. The light emitting circuit is disposed on one side of the image sensing IC, and electrically connected to the image sensing IC through the re-distribution layer. The image sensing IC controls the light emitting circuit. The photic layer is disposed on the image sensing IC. The molding material encloses the image sensing IC.

Abstract: A fingerprint identification device and a method for manufacturing the fingerprint identification device are provided. The fingerprint identification device includes a solder ball array, a re-distribution layer, an image sensing integrated circuit (IC), a light emitting circuit, a photic layer and a molding material. The re-distribution layer disposed on the solder ball array is electrically connected to a plurality of solder balls. The image sensing IC includes a plurality of through silicon vias (TSVs), and the TSVs are correspondingly electrically connected to the solder balls, respectively, through the re-distribution layer. The light emitting circuit is disposed on one side of the image sensing IC, and electrically connected to the image sensing IC through the re-distribution layer. The image sensing IC controls the light emitting circuit. The photic layer is disposed on the image sensing IC. The molding material encloses the image sensing IC.

Abstract: A digital-to-analog converter (DAC) for generating an analog output voltage according to a digital input value includes a plurality of pulse width modulation (PWM) units and a voltage generating unit. The digital input value includes a plurality of bit segments. The plurality of PWM units generates a plurality of PWM signals according to the plurality of bit segments of the digital input value. The voltage generating unit is coupled to the plurality of PWM units and generates the analog output voltage according to the plurality of PWM signals.