Sky130 Bandgap
in design — simulation evidenceBandgap voltage reference on sky130 — 2AM Logic canary block
sky130-bandgap
Source: 2AMLogic/sky130-bandgap @ 7709135dce35
This block is still in design — no layout exists yet. The specification and signals below are simulation evidence from the source repo, not measured/extracted silicon.
Specification
DRAFT — engineering to ratify, see issue #1
| Output reference | 1.20 V ±1% untrimmed (3.3 V I/O devices) · stretch: ±0.5% with trim; sub-1V Banba variant on 1.8 V core |
|---|---|
| Temp coefficient (−40…125 °C) | < 50 ppm/°C · stretch: < 20 ppm/°C |
| PSRR @ DC | > 60 dB · stretch: > 70 dB |
| Supply | 3.3 V ±10% · stretch: 1.8 V variant |
| Iq | < 50 µA · stretch: < 20 µA |
| Area | < 0.05 mm² |
| Startup | self-starting, < 1 ms |
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Signals
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mos-matching-characterization/tt_27c_3.30v
- mna2u_id2.00 µA
- mna2u_vth811.89 mV
- mna2u_vov50.69 mV
- mna2u_gmid15.39 /V
- mna5u_id5.00 µA
- mna5u_vth811.93 mV
- mna5u_vov118.05 mV
- mna5u_gmid11.73 /V
Downloads
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