Last updated 7 months ago
ex) VREF = +2.5V, R3= 22K, R4 = 3K
U1.2(+) V = VREF *R3/(R3+R4) = +2.5V *(22K/22K+3K) = + 2.2V
Vsense = +2.5V, VREF = 2.2V
Biased Voltage = Vsense - VREF = 2.5V – 2.2V = 0.3V = +300mV
