Part Number:PGA280
HI TI:
Now i have a problem: 1KHz/Vrms 50mA current signal is added in 5~10mR resistance,then PGA280 setting gain 64 to ADC read voltage. But data is unstable。Is caused by PGA280 nonlinearity or others?
Amy Luo:
您好,
您可以附上您的电路图吗? 电路图中请标明供电电压及电路各参数;
测试时输出端负载是什么?是否可以也附上输入波形和对应的输出波形?