TW200638685A - Serial input digital-to-analog converting device - Google Patents

Serial input digital-to-analog converting device

Info

Publication number
TW200638685A
TW200638685A TW094112393A TW94112393A TW200638685A TW 200638685 A TW200638685 A TW 200638685A TW 094112393 A TW094112393 A TW 094112393A TW 94112393 A TW94112393 A TW 94112393A TW 200638685 A TW200638685 A TW 200638685A
Authority
TW
Taiwan
Prior art keywords
analog
digital
voltages
bytes
converting
Prior art date
Application number
TW094112393A
Other languages
Chinese (zh)
Other versions
TWI279090B (en
Inventor
Fang-Hsing Wang
Jia-Ming Yang
Original Assignee
Univ Nat Chunghsing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Nat Chunghsing filed Critical Univ Nat Chunghsing
Priority to TW94112393A priority Critical patent/TWI279090B/en
Publication of TW200638685A publication Critical patent/TW200638685A/en
Application granted granted Critical
Publication of TWI279090B publication Critical patent/TWI279090B/en

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  • Analogue/Digital Conversion (AREA)

Abstract

A serial input digital-to-analog converting device suitable for converting an n-bit digital signal to an analog signal is disclosed, wherein the digital signal is early divided into m bytes and the converting device comprises m digital-to-analog converters for independently receiving the m bytes before converting the m bytes into corresponding analog voltages, a voltage divider capable of providing two voltages to each digital-to-analog converter so that each digital-to-analog converter can use the difference between the two received voltages as a dynamic voltage variation range for converting the m bytes and the difference between the two received voltages provided by the voltage divider to the kth digital-to-analog converter is (Δ V)/{2^[n(m-k)/m]}, and an adder for adding the analog voltages to generate the analog signal.
TW94112393A 2005-04-19 2005-04-19 Serial input digital-to-analog converting device TWI279090B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94112393A TWI279090B (en) 2005-04-19 2005-04-19 Serial input digital-to-analog converting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94112393A TWI279090B (en) 2005-04-19 2005-04-19 Serial input digital-to-analog converting device

Publications (2)

Publication Number Publication Date
TW200638685A true TW200638685A (en) 2006-11-01
TWI279090B TWI279090B (en) 2007-04-11

Family

ID=38645282

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94112393A TWI279090B (en) 2005-04-19 2005-04-19 Serial input digital-to-analog converting device

Country Status (1)

Country Link
TW (1) TWI279090B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8648779B2 (en) 2009-10-20 2014-02-11 Taiwan Semiconductor Manufacturing Co., Ltd. LCD driver

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8648779B2 (en) 2009-10-20 2014-02-11 Taiwan Semiconductor Manufacturing Co., Ltd. LCD driver
TWI513197B (en) * 2009-10-20 2015-12-11 Taiwan Semiconductor Mfg Co Ltd Digital-to-analog conversion circuits and digital-to-analog conversion methods

Also Published As

Publication number Publication date
TWI279090B (en) 2007-04-11

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees