JAJSEW1D September 2003 – March 2018 REF1112
PRODUCTION DATA.
Figure 15 shows the REF1112 used as a 2.5-V reference on 1 μA. This is done by stacking the REF1112 in series.
where
In this case, VOUT = 2 × 1.25 V = 2.5 V
The IBIAS is still 1 µA because the stacked REF1112 are in series.