SEMICONDUCTOR DEVICE AND DISPLAY DEVICE

摘要

A semiconductor device capable of detecting a minute current with high accuracy is provided. The semiconductor device includes a first circuit, a second circuit, a first transistor, and a second transistor. A first analog signal is input to the first circuit via the first transistor. A second analog signal is input to the first circuit via the second transistor. The first analog signal includes a value of a first current. The second analog signal includes a value of a second current. The first circuit is capable of converting the first analog signal into a first digital signal. The second circuit is capable of generating a second digital signal based on the first digital signal. The first circuit is capable of converting the second analog signal into a third digital signal based on the second digital signal. The first or second transistor includes an oxide semiconductor in a channel.

主权项

1. A semiconductor device comprising:
a first circuit; a second circuit; a first transistor; and a second transistor, wherein a first analog signal is input to the first circuit via the first transistor, wherein a second analog signal is input to the first circuit via the second transistor, wherein the first analog signal includes a value of a first current, wherein the second analog signal includes a value of a second current, wherein the first circuit is configured to convert the first analog signal into a first digital signal, wherein the second circuit is configured to generate a second digital signal based on the first digital signal, wherein the first circuit is configured to convert the second analog signal into a third digital signal based on the second digital signal, and wherein at least one of the first transistor and the second transistor comprises an oxide semiconductor in a channel formation region.