发明名称 |
LOW-LEAKAGE SWITCH FOR SAMPLE AND HOLD |
摘要 |
An integrated electronic device includes a sample and hold stage. The sample and hold stage has a sampling capacitor (C) for an input voltage at an input node (Vin), a first switch (S1) coupled between the input node (Vin) and the sampling capacitor (C) for connecting the input node (Vin) to the sampling capacitor (C). There is also a voltage follower with an input coupled to the sampling capacitor (C). The first switch (S1) includes a first MOS transistor (NM1) coupled between the input node (Vin) and the sampling capacitor (C). The first MOS transistor has a bulk. The sample and hold stage is adapted to selectively couple the bulk to a node having a voltage level (V3) which is equal or close to the voltage level at the input node of the voltage follower.
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申请公布号 |
US2009153198(A1) |
申请公布日期 |
2009.06.18 |
申请号 |
US20080249509 |
申请日期 |
2008.10.10 |
申请人 |
TEXAS INSTRUMENTS DEUTSCHLAND GMBH |
发明人 |
AUGUSTYNIAK MARCIN K.;WICHT BERNHARD;HEHEMANN INGO |
分类号 |
G11C27/02 |
主分类号 |
G11C27/02 |
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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