Patent Number: 7,088,278

Title: Multiple input analog-to-digital conversion apparatus and radio receiver using the same

Abstract: A multiple input AD conversion apparatus includes a first unit AD converter including a plurality of first conversion stages connected in cascade to convert a first analog input signal to a first digital output signal, a second unit AD converter including a plurality of second conversion stages connected in cascade to convert a second analog input signal to a second digital output signal, and an operational amplifier shared between the first conversion stage and the second conversion stage in a time sharing.

Inventors: Kurose; Daisuke (Kawasaki, JP), Yamaji; Takafumi (Yokohama, JP), Itakura; Tetsuro (Tokyo, JP)

Assignee: Kabushiki Kaisha Toshiba

International Classification: H03M 1/12 (20060101)

Expiration Date: 8/08/02018