Exponential voltage to current convertor
I_c = I_ref × exp((-V_b × q) / (k × T))

Input divider / temperature compensation circuit
R_NTC = R₂₅ / exp(B_25/85 × (1/298.15 - 1/T)) R₂₅ × exp(A + B/T + C/T² + D/T³)
V_b = V_in × (R3 / (R1 + (R_NTC × R2) / (R_NTC + R2) + R3))

Show uncompensated reference graph
Relative scale
Temperature range
Min °C Max °C
Room temperature

V_in V

NTC More accurate resistance formula
R₂₅ Ω
B_25/85 K
A
B K
C K²
D K³

R1 Ω
R2 Ω
R3 = Ω