Patent Number: 6,670,903

Title: A/D converter and solid-state camera

Abstract: A signal from a photodiode (PD) is supplied to an A/D converter circuit (30) through an integrator (10) and a switch circuit (20). An amplifier circuit (40) amplifies a residue in A/D conversion, and the amplified residue (analog value) is supplied to the A/D converter circuit (30) through the switch circuit (20) and converted to a digital value by the A/D converter circuit (30).

Inventors: Fujita; Kazuki (Hamamatsu, JP), Mizuno; Seiichiro (Hamamatsu, JP)

Assignee: Hamamatsu Photonics K.K.

International Classification: H03M 1/14 (20060101); H04N 3/15 (20060101); H04N 5/335 (20060101); H03M 1/16 (20060101); H03M 001/14 (); H03M 001/12 (); H04N 005/335 ()

Expiration Date: 12/30/2020