Title:
データ変換装置
Document Type and Number:
Japanese Patent JP5883181
Kind Code:
B2
Abstract:
A digital/analog conversion apparatus to convert a digital signal into an analog signal. The digital/analog conversion apparatus can generate a high-quality analog signal, even when elements configuring the digital/analog conversion apparatus have variance, with high resolution and a small circuit size. The data conversion apparatus is provided with a first data converter to reduce the number of bits of an input signal, a second data converter to convert the format of the first output signal, and a third data converter for conversion into a code which corresponds to the history of the output from the second data converter.
Inventors:
Akira Yasuda
Junichi Okamura
Junichi Okamura
Application Number:
JP2015054483A
Publication Date:
March 09, 2016
Filing Date:
March 18, 2015
Export Citation:
Assignee:
Trigence semiconductor Co., Ltd.
International Classes:
H03M3/02; H04R3/00; H04R9/04
Domestic Patent References:
| JP9501287A | ||||
| JP8154058A | ||||
| JP2003338758A | ||||
| JP5176387A | ||||
| JP4355599A |
Foreign References:
| WO2004040770A1 |
Other References:
Ichiro Fujimori,Akihiko Nogi,Tetsuro Sugimoto,A Multibit Delta-Sigma Audio DAC with 120-dB Dynamic Range,IEEE JOURNAL OF SOLID-STATE CIRCUITS,2000年 8月,VOL.35,NO.8,pp.1066-1073
Masanori Shibata,Akira Yasuda,Koichiro Sato,Tsuyoshi Soga,A Cascaded Delta-Sigma DAC with an analog FIR filter reducing mismatch-effects,Circuits and Systems,2005.48th Midwest Symposium on,2005年 8月,vol.2,pp.1263-1266
曽我剛,上野創,安田彰,ディジタル直接駆動型スピーカに関する検討,日本音響学会 2005年秋季研究発表会講演論文集 講演要旨・講演論文CD-ROM,2005年 9月20日,pp.585-586
Masanori Shibata,Akira Yasuda,Koichiro Sato,Tsuyoshi Soga,A Cascaded Delta-Sigma DAC with an analog FIR filter reducing mismatch-effects,Circuits and Systems,2005.48th Midwest Symposium on,2005年 8月,vol.2,pp.1263-1266
曽我剛,上野創,安田彰,ディジタル直接駆動型スピーカに関する検討,日本音響学会 2005年秋季研究発表会講演論文集 講演要旨・講演論文CD-ROM,2005年 9月20日,pp.585-586
Attorney, Agent or Firm:
Takahashi Hayashi & Partners