Bandgap Reference · CTAT + PTAT → 1.25 V
unseel.com · Brokaw cell · temperature-drift cancellation
Temp 27 °C
V_REF 1.240 V
Stage
V_BE — CTAT (−2 mV/°C)
PTAT — (kT/q)·ln(N)·gain
V_REF — sum ≈ 1.25 V
Unseel.com · Bandgap Voltage Reference