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ADS131E08: OFFSECAL校准问题

Part Number: ADS131E08

Hi,我们采购了ADS131E08的EVM板和上位机软件,设置ADC为inshort 模式,DATARATE=1K,通过上位机修改PGA Gain1~12采集offset error值,发现不同PGA Gain下的offset error 值跟datasheet图片(图二)几乎一致。

datasheet图片(图二)理解应该是offsetCAL后的值(需要您帮忙确认下),那就说明通过上位机修改PGA Gain时,上位机会自动进行offsetCAL,但我们在修改PGA Gain后采数,并不能采集到offsetCAL指令,想问下上位机是否包含offsetCAL功能。感谢~