Operational amplifier, operational amplifier circuit, chip and electronic device

The invention discloses an operational amplifier, an operational amplification circuit, a chip and electronic equipment. The operational amplifier comprises a differential input module, a differential output module, a first bias module and a second bias module, wherein the differential input module...

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Main Authors TONG CHENGSHENG, ZHANG ZHIAN, YU HAIYAN
Format Patent
LanguageChinese
English
Published 30.06.2023
Subjects
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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Abstract The invention discloses an operational amplifier, an operational amplification circuit, a chip and electronic equipment. The operational amplifier comprises a differential input module, a differential output module, a first bias module and a second bias module, wherein the differential input module comprises a first PMOS differential input pair and a second PMOS differential input pair connected with the first PMOS differential input pair, the first PMOS differential input pair is connected with the first bias module, and the second PMOS differential input pair is connected with the second bias module. The differential input module in the operational amplifier provided by the invention comprises the first PMOS differential input pair and the second PMOS differential input pair connected with the first PMOS differential input pair, and the grid electrode of the PMOS tube is connected with the differential input module of the operational amplifier, so that the PMOS tube of the first PMOS differential input pair
AbstractList The invention discloses an operational amplifier, an operational amplification circuit, a chip and electronic equipment. The operational amplifier comprises a differential input module, a differential output module, a first bias module and a second bias module, wherein the differential input module comprises a first PMOS differential input pair and a second PMOS differential input pair connected with the first PMOS differential input pair, the first PMOS differential input pair is connected with the first bias module, and the second PMOS differential input pair is connected with the second bias module. The differential input module in the operational amplifier provided by the invention comprises the first PMOS differential input pair and the second PMOS differential input pair connected with the first PMOS differential input pair, and the grid electrode of the PMOS tube is connected with the differential input module of the operational amplifier, so that the PMOS tube of the first PMOS differential input pair
Author ZHANG ZHIAN
YU HAIYAN
TONG CHENGSHENG
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Snippet The invention discloses an operational amplifier, an operational amplification circuit, a chip and electronic equipment. The operational amplifier comprises a...
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SubjectTerms AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
Title Operational amplifier, operational amplifier circuit, chip and electronic device
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