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ADS1299-4: 芯片引脚电压

Part Number: ADS1299-4

采用±2.5V和3.3V为ADS1299-4供电,上电后测试得到

VEARN -2.4v
VCAP1 -0.5v
VCAP2 -2.4v
VCAP3 -0.07v左右

START和PWDN、RESET正常

这样芯片是不是出问题了