发明名称 |
A/D conversion circuit, control method thereof, solid-state imaging device, and imaging apparatus |
摘要 |
An A/D conversion circuit includes: an input capacitance to which an input signal and a reference signal are sequentially applied; an operational amplifier; a first switch connected between the other end of the input capacitance and a first input end of the operational amplifier; a feedback capacitance connected to the first input end of the operational amplifier; a second switch connected between the other end of the feedback capacitance and an output end of the operational amplifier; a third switch selectively applying a predetermined voltage to the other end of the feedback capacitance; a fourth switch selectively causing a short circuit between the first input end and the output end of the operational amplifier; a fifth switch applying the predetermined voltage to a second input end of the operational amplifier; and a sixth switch applying a ramp reference voltage to the second input end of the operational amplifier.
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申请公布号 |
US7616146(B2) |
申请公布日期 |
2009.11.10 |
申请号 |
US20080156222 |
申请日期 |
2008.05.30 |
申请人 |
SONY CORPORATION |
发明人 |
SAKAKIBARA MASAKI |
分类号 |
H03M1/34;H04N5/335;H04N5/357;H04N5/374;H04N5/378 |
主分类号 |
H03M1/34 |
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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