Abstract: An image reading device that reads an image including a fluorescent color, including: a first light source having a maximum light emission intensity at a first wavelength; a second light source having a maximum light emission intensity at a second wavelength that is longer than the first wavelength; and an image reading chip configured to read the image. The image reading chip includes a pixel including a photodetector that performs photoelectric conversion on light received from the image, and the spectral sensitivity of the photodetector when photoelectric conversion is performed takes a maximum value at light having a wavelength in a region from 400 nm to 500 nm inclusive.

Abstract: An image reading device that reads an image including a fluorescent color, including: a first light source having a maximum light emission intensity at a first wavelength; a second light source having a maximum light emission intensity at a second wavelength that is longer than the first wavelength; and an image reading chip configured to read the image. The image reading chip includes a pixel including a photodetector that performs photoelectric conversion on light received from the image, and the spectral sensitivity of the photodetector when photoelectric conversion is performed takes a maximum value at light having a wavelength in a region from 400 nm to 500 nm inclusive.

Abstract: An image reading device includes an image reading chip that reads an image, and an optical unit that forms a reduced image of the image on the image reading chip. The image reading chip includes: a first pixel and a second pixel that performs photoelectric conversion, and generates a first pixel signal and a second pixel signal, respectively; a first readout circuit and a second read out circuit that is electrically connected to the first pixel and the second pixel, respectively, and outputs a first readout signal and a second readout signal, respectively; and a control circuit that controls operations of the first readout circuit and the second readout circuit. The first pixel and the second pixel are provided side by side along a long side of the image reading chip. The first readout circuit, the second readout circuit, and the control circuit are provided along the long side.

Abstract: A driving circuit for driving a capacitive load includes an integrated circuit device that includes a modulation portion which generates a modulation signal by pulse-modulating a source signal; a feedback circuit; a transistor that generates an amplified modulation signal which is obtained by amplifying the modulation signal; a low-pass filter that generates a drive signal by demodulating the amplified modulation signal; and a piezoelectric element that is displaced by applying the drive signal, wherein the feedback circuit generates a feedback signal on the basis of the drive signal, and feeds back the feedback signal to the modulation portion through a feedback terminal, the modulation portion includes a first circuit block and a second circuit block, and the integrated circuit device is configured to separate the first circuit block from the second circuit block by a triple-well structure.

Abstract: An image reading apparatus includes an image reading chip configured to read an image. The image reading chip includes a first pixel unit which generates a first pixel signal, a second pixel unit which generates a second pixel signal, a first amplification unit which amplifies the first pixel signal, and outputs a first amplification signal, a second amplification unit which amplifies the second pixel signal, and outputs a second amplification signal, and a third amplification unit that amplifies each of the first amplification signal and the second amplification signal, and outputs an amplified signal. The image reading chip has a shape which includes a first side and a second side shorter than the first side. The third amplification unit is disposed between the first amplification unit and the second amplification unit in a direction along the first side.

Abstract: An image reading apparatus includes an image reading chip configured to read an image. The image reading chip includes a first pixel unit which generates a first pixel signal, a second pixel unit which generates a second pixel signal, a first amplification unit which amplifies the first pixel signal, and outputs a first amplification signal, a second amplification unit which amplifies the second pixel signal, and outputs a second amplification signal, and a third amplification unit that amplifies each of the first amplification signal and the second amplification signal, and outputs an amplified signal. The image reading chip has a shape which includes a first side and a second side shorter than the first side. The third amplification unit is disposed between the first amplification unit and the second amplification unit in a direction along the first side.

Abstract: A driving circuit for driving a capacitive load includes an integrated circuit device that includes a modulation portion which generates a modulation signal by pulse-modulating a source signal; a feedback circuit; a transistor that generates an amplified modulation signal which is obtained by amplifying the modulation signal; a low-pass filter that generates a drive signal by demodulating the amplified modulation signal; and a piezoelectric element that is displaced by applying the drive signal, wherein the feedback circuit generates a feedback signal on the basis of the drive signal, and feeds back the feedback signal to the modulation portion through a feedback terminal, the modulation portion includes a first circuit block and a second circuit block, and the integrated circuit device is configured to separate the first circuit block from the second circuit block by a triple-well structure.

Abstract: A liquid discharge apparatus includes: an integrated circuit device that includes a modulation portion which generates a modulation signal by pulse-modulating a source signal; a feedback circuit; a transistor that generates an amplified modulation signal which is obtained by amplifying the modulation signal; a low-pass filter that generates a drive signal by demodulating the amplified modulation signal; and a piezoelectric element that is displaced by applying the drive signal, wherein the feedback circuit generates a feedback signal on the basis of the drive signal, and feeds back the feedback signal to the modulation portion through a feedback terminal, the modulation portion includes a first circuit block and a second circuit block, and the integrated circuit device is configured to separate the first circuit block from the second circuit block by a triple-well structure.

Abstract: There is provided a liquid discharging apparatus including: a low voltage system circuit block including a modulation portion which generates a modulation signal pulse-modulated from a source signal; a high voltage system circuit block including a gate driver which generates an amplification control signal based on the modulation signal; a transistor which generates an amplification modulation signal amplified from the modulation signal based on the amplification control signal; a low pass filter which demodulates the amplification modulation signal and generates a driving signal; and a piezoelectric element which is displaced as the driving signal is applied, in which the low voltage system circuit block and the high voltage system circuit block are formed on the same semiconductor substrate, in which the semiconductor substrate has one substrate potential supply terminal to which a substrate potential of the semiconductor substrate is supplied.

Abstract: A liquid discharge apparatus includes: an integrated circuit device that includes a modulation portion which generates a modulation signal by pulse-modulating a source signal; a feedback circuit; a transistor that generates an amplified modulation signal which is obtained by amplifying the modulation signal; a low-pass filter that generates a drive signal by demodulating the amplified modulation signal; and a piezoelectric element that is displaced by applying the drive signal, wherein the feedback circuit generates a feedback signal on the basis of the drive signal, and feeds back the feedback signal to the modulation portion through a feedback terminal, the modulation portion includes a first circuit block and a second circuit block, and the integrated circuit device is configured to separate the first circuit block from the second circuit block by a triple-well structure.

Abstract: There is provided a liquid discharging apparatus including: a low voltage system circuit block including a modulation portion which generates a modulation signal pulse-modulated from a source signal; a high voltage system circuit block including a gate driver which generates an amplification control signal based on the modulation signal; a transistor which generates an amplification modulation signal amplified from the modulation signal based on the amplification control signal; a low pass filter which demodulates the amplification modulation signal and generates a driving signal; and a piezoelectric element which is displaced as the driving signal is applied, in which the low voltage system circuit block and the high voltage system circuit block are formed on the same semiconductor substrate, in which the semiconductor substrate has one substrate potential supply terminal to which a substrate potential of the semiconductor substrate is supplied.