Ponencia
A mismatch-insensitive high-accuracy high-speed continuous-time current comparator in low voltage CMOS
Autor/es | Río Fernández, Rocío del
Liñán Cembrano, Gustavo Domínguez Castro, Rafael Rodríguez Vázquez, Ángel Benito |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 1997 |
Fecha de depósito | 2019-11-08 |
Publicado en |
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ISBN/ISSN | 0-7803-4240-2 |
Resumen | This paper presents a CMOS current comparator which employs nonlinear feedback to obtain high-accuracy (down to 1.5 pA) and high-speed for low input currents (8 ns@50 nA). This structure is much faster for low currents ... This paper presents a CMOS current comparator which employs nonlinear feedback to obtain high-accuracy (down to 1.5 pA) and high-speed for low input currents (8 ns@50 nA). This structure is much faster for low currents (below 10 /spl mu/A) than other previous nonlinear feedback comparators. Particularly, when compared to the fastest current comparator reported up to now, the new one operates at more that 100 times faster for a 1 nA current, with smaller area occupation and similar power consumption. In addition, the new comparator is virtually insensitive to mismatch and capable of operating with supply voltages as low as 1 V. |
Cita | Río Fernández, R.d., Liñán Cembrano, G., Domínguez Castro, R. y Rodríguez Vázquez, Á.B. (1997). A mismatch-insensitive high-accuracy high-speed continuous-time current comparator in low voltage CMOS. En 2nd IEEE-CAS Region 8 Workshop on Analog and Mixed IC Design (111-116), Baveno, Italia: Institute of Electrical and Electronics Engineers. |
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