Patent ID: 7782241
Filing Date: 2010-08-24
Classification: H03M

Abstract:
1. An analog/digital converting device converting a time-domain signal to a digital value, comprising: a digital converter for receiving first and second time-domain signals, converting a first pulse width of the first time-domain signal within a unit time for carrying one item of analog signal information, into a first digital value, and converting a second pulse width of the second time-domain signal within the unit time into a second digital value; and a subtracter for subtracting the second digital value from the first digital value and treating a result of the subtraction as a digital value contained in the unit time, wherein the digital converter includes: wherein the second latches output the first digital value, and the third latches output the second digital value, and wherein the plurality of delay circuits are shared by the plurality of second latches and the plurality of third latches.