Other Parts Discussed in Thread: PGA308, PGA300
PGA308标定输出范围0.5v-4.5v 满程输出会漂移 (漂移范围正负20mv)
供电:5V
参考:4.096V
输入:0-130mv
输出:0.5-4.5v(满程有漂移)
已测量外围电路电压都是稳定状态
请教出现满程漂移是什么问题?
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如果需要解决芯体的温漂问题,可以考虑温度补偿。请考虑换用PGA300,该器件支持温度补偿和非线性补偿功能。http://www.ti.com/product/PGA300?keyMatch=pga300&tisearch=Search-EN-Everything