(57) ABSTRACT A hybrid digital to analog converter (DAC) includes a first digital to analog
converting unit (DACU) and a second DAC unit. The first DAC unit provides an analog …

A semiconductor device with lower power consumption or a display device including the
semiconductor device is provided. A circuit to which an N-bit signal is input includes a first …

To provide a novel semiconductor device with high conve nience or high reliability. The
semiconductor device includes a D/A converter circuit and an amplifier including an …

(57) ABSTRACT A semiconductor device having a novel structure is pro vided. Fluctuation in
the grayscale voltage due to an offset voltage is suppressed. When a current corresponding …

(57) ABSTRACT A display device with a low power consumption a small circuit area is
provided. The display device includes an image signal line, an image data storage portion, a …

To provide a display device having a small circuit area and low power consumption. The
display device includes a semiconductor device and a D/A converter circuit, and the …

A grayscale voltage generator circuit that is less likely to be influenced by the offset voltage
is provided. The grayscale voltage generator circuit is a semiconductor device that includes …

The object detection device includes: a pyroelectric element configured to output a current
signal in response to a change in an amount of infrared light; an I/V conversion circuit …

G09G3/20—Control arrangements or circuits, of interest only in connection with visual
indicators other than cathode-ray tubes for presentation of an assembly of a number of …

In general, according to one embodiment, a DA converter configured to convert a digital
signal comprising n (n-1) bits to an analog current to output the analog current from an …