Bandgap Reference ·
CTAT + PTAT → 1.25 V
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.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
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.com · Bandgap Voltage Reference