发明名称 |
SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD OF OPERATING THE SAME |
摘要 |
To improve resolution of a built-in A/D converter by reducing the area occupied by a chip of the built-in A/D converter in a semiconductor integrated circuit that is mounted in an on-vehicle millimeter wave radar device and which incorporates an A/D converter and an MPU. In the semiconductor integrated circuit, a plurality of reception signals of the radar device is A/D-converted by a single digital correction type A/D converter. The digital correction type A/D converter of the single A/D converter is a foreground digital correction type A/D converter that sequentially A/D-converts the reception signals output from a multiplexer of a receiving interface. The single A/D converter includes a pipeline type A/D converter having a plurality of cascade-coupled converters. The semiconductor integrated circuit comprises a correction signal generating unit, a digital correction D/A converter, and a digital correction unit for digital correction.
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申请公布号 |
US2012038498(A1) |
申请公布日期 |
2012.02.16 |
申请号 |
US201113195144 |
申请日期 |
2011.08.01 |
申请人 |
OSHIMA TAKASHI;MATSUURA TATSUJI;YADA NAOKI;MIKI TAKAHIRO;KITAGAWA AKIHIRO;MATSUI TETSUO;USUI KUNIHIKO;RENESAS ELECTRONICS CORPORATION |
发明人 |
OSHIMA TAKASHI;MATSUURA TATSUJI;YADA NAOKI;MIKI TAKAHIRO;KITAGAWA AKIHIRO;MATSUI TETSUO;USUI KUNIHIKO |
分类号 |
H03M1/06;H03M1/00 |
主分类号 |
H03M1/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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