Stabilizing reference voltage of switched capacitor circuits
US-9223332-B1 · Dec 29, 2015 · US
Bandgap Voltage Reference
US2016349783A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016349783-A1 |
| Application number | US-201514957756-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 3, 2015 |
| Priority date | Jun 1, 2015 |
| Publication date | Dec 1, 2016 |
| Grant date | — |
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Abstract
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A bandgap circuit for providing a bandgap voltage reference comprises a first capacitor and a second capacitor. An inverting amplifier, which is associated with an offset voltage has an input terminal connected to a first terminal of the first capacitor and a first terminal of the second capacitor, and an output terminal connected to an output terminal of the bandgap circuit. A temperature dependent component has a temperature dependent terminal wherein a voltage of the temperature dependent terminal has a linear relationship with a temperature based on a temperature constant, wherein the temperature constant depends on an amount of current, wherein a second terminal of the second capacitor is connected to the temperature dependent terminal. A first switch selectively connects a second terminal of the first capacitor with the temperature dependent terminal. A second switch selectively connects the output terminal of the inverting amplifier with the input terminal.
First claim
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What is claimed is: 1 . A bandgap circuit for providing a bandgap voltage reference, the circuit comprising a first capacitor and a second capacitor; an inverting amplifier associated with an offset voltage, the inverting amplifier having an input terminal connected to a first terminal of the first capacitor and a first terminal of the second capacitor, and an output terminal connected to an output terminal of the bandgap circuit; a temperature dependent component with a tem…
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- G05F3/02Primary
Physics · mapped topic
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- What does patent US2016349783A1 cover?
- A bandgap circuit for providing a bandgap voltage reference comprises a first capacitor and a second capacitor. An inverting amplifier, which is associated with an offset voltage has an input terminal connected to a first terminal of the first capacitor and a first terminal of the second capacitor, and an output terminal connected to an output terminal of the bandgap circuit. A temperature depe…
- Who is the assignee on this patent?
- Dialog Semiconductor Bv
- What technology area does this patent fall under?
- Primary CPC classification G05F3/02. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Thu Dec 01 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).