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OPA180: OPA180 Chopping Frequency

Part Number: OPA180
Other Parts Discussed in Thread: OPA188

Dear Sir,

Our custoemer would like to know about chopping frequency of OPA180. According to the OPA188 datasheet, there is a figure about off-set correction frequency, 3us, on page 16. I think it is the same as chopping frequency of OPA188. Are there any documents describing about chopping frequency of OPA180? Please advise.