发明名称 |
Operational amplifier, integrating circuit, feedback amplifier, and controlling method of the feedback amplifier |
摘要 |
An operational amplifier according to an embodiment of the present invention includes: an operational amplifier stage executing differential-amplification of an input voltage and a reference voltage; a source-grounded amplifier stage outputting the differential-amplified signal; a phase compensation capacitance compensating for a phase of an output signal; and a charge/discharge control circuit controlling charge/discharge of the phase compensation capacitance.
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申请公布号 |
US2007096825(A1) |
申请公布日期 |
2007.05.03 |
申请号 |
US20060589238 |
申请日期 |
2006.10.30 |
申请人 |
NEC ELECTRONICS CORPORATION |
发明人 |
OKUYAMA KUNIYUKI |
分类号 |
H03F1/14 |
主分类号 |
H03F1/14 |
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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