Title :
Curvature-compensated CMOS bandgap circuit with 1 V reference voltage
Author :
Stanescu, Cornel ; Iacob, Radu ; CARACAS, Cristian ; Cosmin, Peter
Author_Institution :
Essex Com. Ltd, Bucharest, Romania
Abstract :
This paper presents a curvature-compensated bandgap circuit processed in a double- metal 0.8 μm CMOS technology. The circuit has a reference voltage of 1 V, and it operates with supply voltages higher than 1.6 V, consuming 8 μA at room temperature. An ultimate simple technique is used for curvature compensation. The temperature coefficient is 10 ppm/K, and the power supply rejection ratio is 66 dB. The circuit can be used in LDOs, reset controllers and other low-voltage analog and mixed signals ICs.
Keywords :
CMOS analogue integrated circuits; SPICE; compensation; current mirrors; integrated circuit design; integrated circuit measurement; integrated circuit modelling; low-power electronics; reference circuits; voltage regulators; 0.8 micron; 1 V; 1.6 V; 20 degC; 8 muA; CMOS curvature-compensated bandgap circuits; LDO; SPICE; circuit supply voltage/current consumption; current mirrors; curvature compensation; double-metal CMOS technology; low-voltage analog IC; mixed signals IC; power supply rejection ratio; reset controllers; temperature coefficient; voltage reference circuits; CMOS process; CMOS technology; Circuits; Operational amplifiers; Photonic band gap; Power supplies; Resistors; Sliding mode control; Temperature; Voltage;
Conference_Titel :
Semiconductor Conference, 2002. CAS 2002 Proceedings. International
Print_ISBN :
0-7803-7440-1
DOI :
10.1109/SMICND.2002.1105869
