Table 1 Performance comparison of BGRs
From: A 0.82 μVrms ultralow 1/f noise bandgap reference for a MEMS gyroscope
This work | 12 JSSC 2021 | 13 TCAS-I 2019 | 21 JSSC 2019 | 22 JSSC 2018 | 23 TED 2015 | 9 JSSC 2011 | |
|---|---|---|---|---|---|---|---|
Process | 180 nm CMOS process | 180 nm CMOS process | 350 nm CMOS process | 180 nm CMOS process | 350 nm CMOS process | 180 nm CMOS process | 160 nm CMOS process |
Area (mm2) | 0.23 | 0.38 | 0.0616 | 0.0045 | 0.23 | 0.05 | 0.12 |
Supply voltage (V) | 2.8-5 | 2–3.3 | 2.6–5 | 1.0 | 3.3 | 1.3–2.6 | 1.8 |
Output voltage (V) | 1.3315 | 1.1419 | 2.47 | 0.6926 | 1.22 | 1.1402 | 1.0875 |
Line sensitivity (%/V) | 0.004 | NA | 0.0041 | 0.02 | NA | 0.03 | NA |
PSRR (dB@Hz) | -90.97 dB @0.5 Hz, -70.52 dB @10 kHz | −76 dB @DC | −83 dB @DC | −55 dB @100 Hz | NA | −54 dB @100 Hz | −74 dB @DC |
Current consumption (mA) | 0.1787 | 0.017 | 0.094 | NA (192 pW) | 0.115 | 0.0043 | 0.055 |
Best temperature Coefficient (ppm/°C) | 14.61 (-40–125 °C) | 4.3 (-40–150 °C) | 0.9 (-45–125 °C) | 33 (average) (-20–100 °C) | NA | 4.1 (−55–125 °C) | 5 (−40–125 °C) |
Trimming | No | No | Yes | No | Yes | Yes | Yes |
0.1–10 Hz Integrated Noise (V) | 0.82μ | 56 μ | 3.6 μ | 26.8 μ | 7.84 μ | 10.23 μ | 6.1 μ |
Output Current (mA) | 12.94 | NA | 0.03 | NA | NA | 20 | NA |
