Title:
半導体集積回路
Document Type and Number:
Japanese Patent JP4803729
Kind Code:
B2
Abstract:
One input terminals of switches respectively coupled to capacitors of a capacitance array type D/A converter configured as a main DAC are coupled to a first external terminal of an IC. On the other hand, a current switching type D/A converter of a resistance string type D/A converter configured as a sub DAC that causes a DC current to flow therethrough is coupled to a second external terminal of the IC.
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Inventors:
Hiroyuki Tsunakawa
Akihiro Kitagawa
Akihiro Kitagawa
Application Number:
JP2006068758A
Publication Date:
October 26, 2011
Filing Date:
March 14, 2006
Export Citation:
Assignee:
Renesas Electronics Corporation
International Classes:
H03M1/38; H03M1/68
Domestic Patent References:
| JP2004260263A | ||||
| JP1296823A | ||||
| JP5175840A | ||||
| JP9055661A | ||||
| JP60213126A |
Attorney, Agent or Firm:
Shizuyo Tamamura