Low-voltage super class AB CMOS OTA cells with very high slew rate and power efficiency

IEEE Journal of Solid-State Circuits

Volumn 40, Issue 5, 2005, Pages 1068-1076

  López Martín, Antonio J ^a,b   Baswa, Sushmita ^a   Ramirez Angulo, Jaime ^a   Carvajal, Ramón Gonzalez ^c  

^a New Mexico State Univ   (United States)

^b PUBLIC UNIVERSITY OF NAVARRE   (Spain)

^c UNIVERSITY OF SEVILLE   (Spain)

Author keywords

Adaptive biasing; Analog CMOS circuits; Class AB amplifiers; Low voltage CMOS circuits; Operational transconductance amplifier (OTA)

Indexed keywords

CAPACITANCE; CMOS INTEGRATED CIRCUITS; ELECTRIC LOADS; ELECTRIC NETWORK TOPOLOGY; FEEDBACK; FREQUENCY RESPONSE; MOS DEVICES; TRANSCONDUCTANCE;

ADAPTIVE BIASING; ANALOG CMOS CIRCUITS; CLASS AM AMPLIFIERS; LOW-VOLTAGE CMOS CIRCUITS; OPERATIONAL TRANSCONDUCTANCE AMPLIFIERS (OTA);

OPERATIONAL AMPLIFIERS;

EID: 18444379635     PISSN: 00189200     EISSN: None     Source Type: Journal    
DOI: 10.1109/JSSC.2005.845977     Document Type: Article

References (15)

1. K. de Langen and J. H. Huijsing, "Compact low-voltage power-efficient operational amplifier cells for VLSI," IEEE J. Solid-State Circuits, vol. 33, no. 10, pp. 1482-1496, Oct. 1998.
2. M. Degrauwe, J. Rijmenants, E. A. Vittoz, and D. Man, "Adaptive biasing CMOS amplifier," IEEE J. Solid-State Circuits, vol. SC-17, no. 3, pp. 522-528, Jun. 1982.
3. L. Callewaert and W. Sansen, "Class AB CMOS amplifiers with high efficiency," IEEE J. Solid-State Circuits, vol. 25, no. 6, pp. 684-691, Jun. 1990.
4. R. Castello and P. R. Gray, "A high-performance micropower switched-capacitor filter," IEEE J. Solid-State Circuits, vol. SC-20, no. 6, pp. 1122-1132, Dec. 1985.
5. S. L. Wong and C. A. T. Salama, "An efficient CMOS buffer for driving large capacitive loads," IEEE J. Solid-State Circuits, vol. SC-21, no. 3, pp. 464-469, Jun. 1986.
6. R. Kline, B. J. Hosticka, and H. J. Pfleiderer, "A very-high-slew-rate CMOS operational amplifier," IEEE J. Solid-State Circuits, vol. 24, no. 3, pp. 744-746, Jun. 1989.
7. R. Harjani, R. Heineke, and F. Wang, "An integrated low-voltage class AB CMOS OTA," IEEE J. Solid-State Circuits, vol. 34, no. 2, pp. 134-142, Feb. 1999.
8. J. Ramirez-Angulo and M. Holmes, "Simple technique using local CMFB to enhance slew rate and bandwidth of one-stage CMOS op-amps," Electron. Lett., vol. 38, pp. 1409-1411, Nov. 2002.
9. B. Razhavi, Design of Analog CMOS Integrated Circuits. New York: McGraw-Hill, 2001, pp. 303-324.
10. S. Baswa, A. J. Lopez-Martin, J. Ramirez-Angulo, and R. G. Carvajal, "Low-voltage micropower super class AB CMOS OTA," Electron. Lett., vol. 40, pp. 216-217, Feb. 2004.
11. V. Peluso, P. Vancorenland, M. Steyaert, and W. Sansen, "900 mV differential class AB OTA for switched opamp applications," Electron. Lett., vol. 33, pp. 1455-1456, Aug. 1997.
12. J. Ramirez-Angulo, R. G. Carvajal, A. Torralba, J. Galan, A. P. Vega-Leal, and J. Tombs, "The flipped voltage follower: A useful cell for low-voltage low-power circuit design," in Proc. Int. Symp. Circuits and Systems, 2002, pp. II 615-II 618.
13. S. Baswa, A. J. Lopez-Martin, R. G. Carvajal, and J. Ramirez-Angulo, "Low-voltage power-efficient adaptive biasing for CMOS amplifiers and buffers," Electron. Lett., vol. 40, pp. 217-219, Feb. 2004.
14. J. Ramirez-Angulo, R. Gonzalez-Carvajal, A. Torralba, and C. Nieva, "A new class AB differential input stage for implementation of low voltage high slew rate op-amps and linear transconductors," in Proc. Int. Symp. Circuits and Systems, 2001, pp. I 671-I 674.
15. J. Ramírez-Angulo, R. G. Carvajal, J. Tombs, and A. Torralba, "Low-voltage CMOS op-amp with rail-to-rail input and output for continuous-time signal processing using multiple-input floating-gate transistors," IEEE Trans. Circuits Syst. II, vol. 48, no. 1, pp. 111-116, Jan. 2001.