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LMV774设计问题

Other Parts Discussed in Thread: LMV774

1:恒流源部分电路正常,压力传感器3-1端有20mv的压差。

2:实际测量LMV774芯片7-8管脚间压差为0V,按照设计应该为60mv

3:实际测量LMV774芯片1管脚对地间压差为0V,按照设计应该为600mv。

页面提取自-HNZY_SONIC_REV1.1 (20120207).pdf