Patent Number:
8,576,001
Title:
Offset compensation apparatus for magnetic detection circuit and method thereof
Abstract:
Disclosed herein are an offset compensation apparatus for a magnetic detection circuit, and a method thereof. The offset compensation apparatus includes: an amplifying unit amplifying an output voltage, and outputting the amplified voltages; an offset detection unit detecting an offset; a comparison unit determining whether or not the offset output from the offset detection unit is greater than a pre-set positive reference value or smaller than a pre-set negative reference value; a counter unit; and a current supply.
Inventors:
Pyo; Seung Chul (Gyunggi-do, KR), Kim; Kyung Uk (Gyunggi-do, KR)
Assignee:
Samsung Electro-Mechanics Co., Ltd
International Classification:
H03F 15/00 (20060101)
Expiration Date:
1/05/12017