Table 3.
Calculation of total supply current through operating current components of each transistor in operational amplifier based-BGR.
| OPAMP-BGR | Region | id | Transistor Parameters Under operation | ||||
|---|---|---|---|---|---|---|---|
| Vth | Vdsat | gm | Vgs | Vds | |||
| M0 | Saturation | − 4.9916 u | − 589.0554 m | − 200.3807 m | 40.6877 u | − 793.7229 m | − 2.8308 |
| M1 | Saturation | − 4.9916 u | − 589.0554 m | − 200.3807 m | 40.6876 u | − 793.7229 m | − 2.8307 |
| M2 | Saturation | − 4.9134 u | − 589.0554 m | − 200.3807 m | 40.1322 u | − 793.7229 m | − 2.1433 |
Total supply current (neglecting stat-up) = Id (M0) + Id (M1) + Id (M2) = 14.89 uA.