发明名称 INTEGRATED CIRCUIT DEVICE, AND ELECTRONIC INSTRUMENT
摘要 PROBLEM TO BE SOLVED: To provide an integrated circuit device capable of achieving offset adjustment or the like with high precision while suppressing an increase in a circuit scale, and to provide an electronic instrument. SOLUTION: The integrated circuit device has an amplifying circuit 10 having cascade-connected first to N-th amplifiers AM1 to AM3 and to which an input signal is input, an A/D converter 50 which performs A/D conversion to the signal amplified by the amplifying circuit 10, first to N-th D/A converters DAC1 to DAC3 provided correspondingly to the first to N-th amplifiers AM1 to AM3 and making offset adjustments of the first to N-th amplifiers AM1 to AM3, and a control circuit 70 which makes settings for the offset adjustments and gain adjustments of the first to N-th amplifiers AM1 to AM3 using the first to N-th D/A converters DAC1 to DAC3. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009200797(A) 申请公布日期 2009.09.03
申请号 JP20080040161 申请日期 2008.02.21
申请人 SEIKO EPSON CORP 发明人 FUKUZAWA AKIHIRO;ITO SATORU;IMAI NOBUYUKI
分类号 H03F3/34;H03F3/68;H03M1/12 主分类号 H03F3/34
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