Liquid ejecting apparatus, drive circuit, and integrated circuit

A drive circuit that outputs a drive signal for driving a capacitive load, the drive circuit comprising:

• an integrated circuit that outputs an amplification control signal based on a base drive signal;
• an amplifier circuit that operates according to the amplification control signal to output an amplified modulation signal;
• and
• a demodulation circuit that demodulates the amplified modulation signal to output the drive signal, wherein
• the integrated circuit includes:
• a modulation circuit that modulates the base drive signal to output a modulation signal;
• a switching circuit that outputs the amplification control signal according to the modulation signal;
• a discharge circuit that discharges a charge based on the drive signal;
• a constant voltage output circuit that outputs a DC voltage signal;
• and
• an output terminal from which the DC voltage signal is output,
• the constant voltage output circuit and the discharge circuit are electrically coupled to the output terminal, and
• a shortest distance between the output terminal and the constant voltage output circuit is shorter than a shortest distance between the output terminal and the discharge circuit.

An integrated circuit used in a drive circuit that outputs a drive signal for driving a capacitive load, the integrated circuit comprising:

• a modulation circuit that modulates a base drive signal to output a modulation signal;
• a switching circuit that outputs an amplification control signal according to the modulation signal;
• a discharge circuit that discharges a charge based on the drive signal;
• a constant voltage output circuit that outputs a DC voltage signal;
• and
• an output terminal from which the DC voltage signal is output, wherein
• the constant voltage output circuit and the discharge circuit are electrically coupled to the output terminal, and
• a shortest distance between the output terminal and the constant voltage output circuit is shorter than a shortest distance between the output terminal and the discharge circuit.