Yield-Ensuring DAC-Embedded Opamp Design Based on Accurate Behavioral Model Development

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An accurate behavioral model of a DAC-embedded opamp (DAC-opamp) is developed for a yield-ensuring LCD column driver design. A lookup table for the V-I curve of the unit differential pair in the DAC-opamp is extracted from a circuit simulation and is later manipulated through a random error insertion. Virtual ground assumption simplifies the output voltage estimation algorithm. The developed behavioral model of a 5-bit DAC-opamp shows good agreement with the circuit level simulation with less than 5% INL difference.
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Issue Date
2010-06
Language
English
Article Type
Article
Citation

IEICE TRANSACTIONS ON ELECTRONICS, v.E93C, pp.935 - 937

ISSN
0916-8524
DOI
10.1587/transele.E93.C.935
URI
http://hdl.handle.net/10203/93865
Appears in Collection
EE-Journal Papers(저널논문)
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