请问lmp91000要怎么改用外接电源供电?
Amy Luo:
您好,
您是使用的LMP91000EVM吗,在LMP91000EVM用户指南里有说明:www.ti.com/…/snau121a.pdf
下面摘自用户指南文档:
2.5.2.Power supply
1.Remove R7 resistor
2.Connect a supply voltage (2.7V to 5.25V) between VDD test point and GND test point2.5.3.Voltage reference
Iftheonboard2.5Vvoltagereferencefitstherequirementsoftheapplication,donotaccomplishthefollowing steps.
1.Remove R6 resistor
2.Connect a reference voltage (1.5V to VDD) between VREF test point and GND test point