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