IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
An area-efficient and high speed multiplexer for battery monitor system
Qidong ZhangYintang YangChangchun Chai
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2016 Volume 13 Issue 8 Pages 20160120

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Abstract

This paper presents a new area-efficient and fast sampling multiplexer for battery monitor system. This multiplexer structure introduces a full differential leapfrog sampling scheme which leads to half of occupied area, less sampling time and higher common mode rejection rate (CMRR) than the traditional one. This kind of multiplexer structure was introduced in a 12-ch battery monitor IC which fabricated with 60 V BCD process. The measurement result shows that the presented multiplexer achieves a channel mismatch error up to 1.2 mV (Typical) while the battery monitor IC works in 400 ns sampling time.

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© 2016 by The Institute of Electronics, Information and Communication Engineers
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