Reference voltage generation circuit and electronic device

An electronic device comprising:

• an integrated circuit;
• a proportional to absolute temperature (PTAT) current generation unit including a first current source and a second current source which are connected in parallel to one of a power supply voltage and a ground voltage, a pair of bipolar transistors which is connected in parallel to a current mirror circuit including the first current source and the second current source, and a first resistor which is connected to an emitter of one of the pair of bipolar transistors;
• a complementary to absolute temperature (CTAT) current generation unit which includes a third current source and a second resistor that are inserted in series between the power supply voltage and the ground voltage, and in which a connection node between the third current source and the second resistor is connected in common to gates of the pair of bipolar transistors;
• an output unit which outputs to the integrated circuit a reference voltage according to an addition value of a PTAT current supplied from the first current source and the second current source and a CTAT current supplied from the third current source;
• and
• a replica circuit which generates the PTAT current and supplies the PTAT current to the output unit,
• the output unit outputting a current obtained by adding the PTAT current supplied by the replica circuit to the CTAT current as a reference current together with the reference voltage.