Title :
A high-slew integrator for switched-capacitor circuits
Author :
Stevens, Andrew E. ; Miller, Gerald A.
Author_Institution :
Dept. of Electr. Eng., Columbia Univ., New York, NY, USA
fDate :
9/1/1994 12:00:00 AM
Abstract :
A new method for improving the slew rate of a switched-capacitor integrator is introduced. A booster circuit is used to measure the integrator input voltage and then inject a proportionate amount of charge at the integrator output. The boosted integrator significantly reduces the settling time due to amplifier slewing. In addition, the booster has no adverse effect on the noise and stability performance of the integrator. The booster stage increases the total static integrator power by 36% and the total die area by 22%
Keywords :
CMOS integrated circuits; integrating circuits; linear integrated circuits; switched capacitor networks; SC circuits; amplifier slewing; booster circuit; high-slew integrator; settling time reduction; switched-capacitor circuits; Charge measurement; Circuit noise; Circuit stability; Clocks; Current measurement; Integrated circuit measurements; Switched capacitor circuits; Switching circuits; Thermal loading; Voltage;
Journal_Title :
Solid-State Circuits, IEEE Journal of
