Calculation Record (for cut and paste purposes)
______________ ____ | |____|Iout| | Iout = I1-I2 | |____| |______________| I1 | | I2 VIN _| |_ ___|' `|_ _|_ |`-> <-'| | /_ \ |_________| _|_ |/ \_/| _|_ /// \___/ / _ \ _|_ \/ \/ IBIAS1 \\\ /\_/\ \___/ _|_ /// Gnd