High-Speed Rail-to-Rail Class-AB Buffer Amplifier with Compact, Adaptive Biasing for FPD Applications
Abstract
:1. Introduction
2. Proposed Buffer Amplifier
3. Experimental Results
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Parameter | [11] | [13] | [15] | [16] | [17] | [19] | This Work |
---|---|---|---|---|---|---|---|
Measured | Measured | Measured | Measured | Measured | Measured | Measured | |
CMOS Technology (µm) | 0.35 | - | 0.35 (2P3M) | 0.18 (1P4M) | 0.18 (1P3M) | 0.35 | 0.18 (1P3M) |
Power supply (V) | 3 | 2.5–6 | 3.3/5 | 1.8/9/18 | 1.8/7/13.5 | 3.3 | 1.8/9/18 |
Gray Scale (bits) | - | - | 10 | 10 | 8 | - | 8 |
Static current (µA) | 1.63 1 | 180 | - | 7 1 | - | 5.8 | 11.40 |
Driving voltage (V) | 3 | 3.3 | 5 | 9/18 2 | 10.36 | 3.3 | DC 8.5 @17 |
Dynamic current (µA) | - | - | - | - | 247 | - | 371 |
Settling time (µs, 90% rising) | - | - | - | - | 1.47 | - | 0.91 |
Settling time (µs, 90% falling) | - | - | - | - | 1.38 | - | 0.95 |
Settling time (µs, 99.9% rising) | 1.20 3 | - | 5.6 | 5.6 4 | 2.61 3 | - | 3.11 |
Settling time (µs, 99.9% falling) | 1.02 3 | - | - | - | 2.53 3 | - | 3.04 |
Active area (µm2) | 5562 | 4000 | - | 23 × 510 | - | - | 31 × 160 |
Loads | C = 1000 pF | R = 10 KΩ, C = 10 pF | R = 1.5 KΩ, C = 100 pF | R = 5 KΩ 5, C = 300 pF 5 | R = 3.29 KΩ, C = 364 pF | C = 200 pF | R = 8.5 KΩ, C = 300 pF |
Conditions | VDD = 3 V | VDD = 3.3 V Ta = 27 °C | VDD = 5 V 0–4.995 V | VDD = 18 V 0.2–17.8 V | VDD = 10.36 V, Ta = 25 °C, Period = 7.4 µs, 0.2–10.16 V | VDD = 3.3 V | VDD = 17 V, Ta = 25 °C, Period = 7.4 µs, 0.2–16.8 V |
Parameter | [13] | [19] | This Work | |
---|---|---|---|---|
Simulated | Simulated | Simulated | Measured | |
CMOS Technology (µm) | 0.18 (1P3M) | |||
Power supply (V) | 1.8/9/18 | |||
Gray Scale (bits) | 8 | |||
Static current (µA) | 11.42 | 18.86 | 11.45 | 11.40 |
Driving voltage (V) | DC 8.5 (VDD/2) @17 | |||
Dynamic current (µA) | 376.4 | 415 | 389.4 | 371 |
Settling time (µs, 90% rising) | 1.817 | 1.031 | 0.989 | 0.91 |
Settling time (µs, 90% falling) | 1.947 | 1.022 | 0.991 | 0.95 |
Settling time (µs, 99.9% rising) | 3.943 | 3.416 | 3.404 | 3.11 |
Settling time (µs, 99.9% falling) | 4.131 | 3.377 | 3.305 | 3.04 |
Slew-rate (V/µs, 90% rising) | 8.222 | 14.490 | 15.106 | 16.417 |
Slew-rate (V/µs, 90% falling) | 7.673 | 14.618 | 15.075 | 15.726 |
Slew-rate (V/µs, 99.9% rising) | 4.209 | 4.859 | 4.876 | 5.401 |
Slew-rate (V/µs, 99.9% falling) | 4.018 | 4.921 | 5.022 | 5.526 |
Active area (µm2) | 31 × 130 | 31 × 271 | 31 × 160 | 31 × 160 |
Loads | R = 8.5 KΩ 1, C = 300 pF 1 | R = 8.5 KΩ, C = 300 pF | ||
Conditions | VDD = 17 V, Ta = 25 °C, Period = 7.4 µs, 0.2 V–16.8 V |
Conditions | Process Parameter | NN | FF | SS |
Temperature (°C) | 25 | −30 | 125 | |
Compensation cap. (pF) | 0.15 | |||
Loads/Voltage swing/Period | R = 8.5 KΩ, C = 300 pF, 0.2 V–16.8 V, Period = 7.4 µs | |||
Open-Loop Gain (dB) | 90.22 | 89.88 | 83.85 | |
Phase Margin (degrees) | 59.86 | 63.01 | 70.89 | |
Static current (µA) | 11.45 | 14.32 | 10.78 | |
Dynamic current (µA) | 389.4 | 525.6 | 354.8 |
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An, C.-H.; Kong, B.-S. High-Speed Rail-to-Rail Class-AB Buffer Amplifier with Compact, Adaptive Biasing for FPD Applications. Electronics 2020, 9, 2018. https://doi.org/10.3390/electronics9122018
An C-H, Kong B-S. High-Speed Rail-to-Rail Class-AB Buffer Amplifier with Compact, Adaptive Biasing for FPD Applications. Electronics. 2020; 9(12):2018. https://doi.org/10.3390/electronics9122018
Chicago/Turabian StyleAn, Chang-Ho, and Bai-Sun Kong. 2020. "High-Speed Rail-to-Rail Class-AB Buffer Amplifier with Compact, Adaptive Biasing for FPD Applications" Electronics 9, no. 12: 2018. https://doi.org/10.3390/electronics9122018