Circuit device, oscillator, electronic apparatus, and vehicle

A circuit device comprising:

• an A/D conversion circuit that receives a control voltage and generates control voltage data, and A/D converts a temperature detection voltage received from a temperature sensor to output temperature detection data;
• a processing circuit that generates temperature compensation data based on the temperature detection data, performs addition processing of the temperature compensation data and the control voltage data, and performs temperature compensation processing of an oscillation frequency based on the temperature detection data, to generate and output frequency control data of the oscillation frequency;
• and
• an oscillation signal generation circuit generating an oscillation signal of the oscillation frequency set by the frequency control data, using the frequency control data and a resonator, wherein
• the processing circuit performs correction processing on addition result data of the addition processing and outputs the frequency control data after the correction processing,
• the circuit device has a first side, a second side opposite to the first side, a third side crossing the first side, and a fourth side opposite to the third side, and
• when a direction from the first side to the second side is defined as a first direction and a direction from the third side to the fourth side is defined as a second direction,
• the oscillation signal generation circuit is disposed on the first direction side of the A/D conversion circuit,
• the processing circuit is disposed on the second direction side of the A/D conversion circuit and the oscillation signal generation circuit,
• the A/D conversion circuit is disposed at a position having a shorter distance from the first side compared to a distance from the second side, and
• the oscillation signal generation circuit is disposed at a position having a shorter distance from the second side compared to a distance from the first side.