METHODS, APPARATUS, AND ARTICLES OF MANUFACTURE TO REDUCE LEAKAGE CURRENT IN SAMPLING CIRCUITRY
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Jul 14, 2023
filing date -
Jul 14, 2023
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Abstract
An example apparatus includes bias control circuitry and sampling circuitry. The example sampling circuitry includes a first switch coupled to a first capacitor in series between an input voltage terminal and a common mode voltage terminal, the first switch including a first terminal coupled to the input voltage terminal. Additionally, the example sampling circuitry includes a second switch coupled to a second capacitor in series between the input voltage terminal and the common mode voltage terminal, the second switch including a first terminal coupled to the input voltage terminal. The example sampling circuitry also includes a third switch including a first terminal, a second terminal, and a control terminal, the first terminal of the third switch coupled to a power supply terminal, the second terminal of the third switch coupled between the first switch and the first capacitor, the control terminal coupled to the bias control circuitry.
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