Patent ID: 11899478
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC G  H  B | IPC G

Claim 6:
7. A semiconductor device comprising an operational amplifier circuit, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and a current source,
wherein an output terminal of the operational amplifier circuit is electrically connected to one of a source and a drain of the first transistor,
wherein the other of the source and the drain of the first transistor is electrically connected to a gate of the second transistor,
wherein a first power source terminal of the operational amplifier circuit is electrically connected to one of a source and a drain of the third transistor,
wherein the first power source terminal of the operational amplifier circuit is electrically connected to one of a source and a drain of the fourth transistor,
wherein the other of the source and the drain of the third transistor is electrically connected to the current source,
wherein the other of the source and the drain of the fourth transistor is electrically connected to a power supply line,
wherein one of a source and a drain of the fifth transistor is electrically connected to the other of the source and the drain of the first transistor,
wherein the other of the source and the drain of the fifth transistor is electrically connected to the gate of the second transistor, and
wherein one electrode of the capacitor is electrically connected to the source and the drain of the fifth transistor.