Liquid ejecting apparatus, drive circuit, and integrated circuit

A drive circuit comprising:

• a drive signal output circuit that outputs a first drive signal;
• a control signal output circuit that outputs a first original control signal;
• a differential signal output circuit that is electrically coupled to the control signal output circuit, converts the first original control signal into a pair of first differential signals, and outputs the pair of first differential signals;
• a drive signal wiring that is electrically coupled to the drive signal output circuit and through which the first drive signal propagates;
• a first signal wiring that is electrically coupled to the differential signal output circuit and through which a first signal of one of the pair of first differential signals propagates;
• a second signal wiring that is electrically coupled to the differential signal output circuit and through which a second signal of the other of the pair of first differential signals propagates;
• a first reference voltage signal wiring through which a first reference voltage signal propagates;
• and
• an integrated circuit that is electrically coupled to the drive signal wiring, the first signal wiring, the second signal wiring, and the first reference voltage signal wiring, receives the first drive signal, and outputs a second drive signal, wherein
• the integrated circuit includes
• a drive signal input terminal that is electrically coupled to the drive signal wiring and inputs the first drive signal,
• a first signal input terminal that is electrically coupled to the first signal wiring and inputs the first signal,
• a second signal input terminal that is electrically coupled to the second signal wiring and inputs the second signal,
• a first reference voltage signal input terminal that is electrically coupled to the first reference voltage signal wiring and inputs the first reference voltage signal,
• a differential signal receiving circuit that is electrically coupled to the first signal input terminal, the second signal input terminal, and the first reference voltage signal input terminal, receives the first signal and the second signal, converts the pair of first differential signals into a control signal, and outputs the control signal,
• a drive signal selection circuit that is electrically coupled to the drive signal input terminal and the differential signal receiving circuit and outputs the second drive signal based on the control signal and the first drive signal, and
• a drive signal output terminal that is electrically coupled to the drive signal selection circuit and outputs the second drive signal, and
• the first signal input terminal and the first reference voltage signal input terminal are located adjacent to each other, and
• wherein the integrated circuit has a first side and a second side intersecting the first side,
• the first side is longer than the second side, and
• the first signal input terminal, the differential signal receiving circuit, and the drive signal selection circuit are arranged side by side in a direction along the first side.

An integrated circuit comprising:

• a drive signal input terminal that inputs a first drive signal;
• a first signal input terminal that inputs a first signal of one of a pair of first differential signals;
• a second signal input terminal that inputs a second signal of the other of the pair of first differential signals;
• a first reference voltage signal input terminal that inputs a first reference voltage signal;
• a differential signal receiving circuit that is electrically coupled to the first signal input terminal, the second signal input terminal, and the first reference voltage signal input terminal, receives the first signal and the second signal, converts the pair of first differential signals into a control signal, and outputs the control signal;
• a drive signal selection circuit that is electrically coupled to the drive signal input terminal and the differential signal receiving circuit and outputs a second drive signal based on the control signal and the first drive signal;
• and
• a drive signal output terminal that is electrically coupled to the drive signal selection circuit and outputs the second drive signal, wherein
• the first signal input terminal and the first reference voltage signal input terminal are located adjacent to each other, and
• the integrated circuit has a first side and a second side intersecting the first side,
• the first side is longer than the second side, and
• the first signal input terminal, the differential signal receiving circuit, and the drive signal selection circuit are arranged side by side in a direction along the first side.