Title :
A 50fA input current junction-isolated JFET opamp
Author :
Close, J. ; Counts, L.
Author_Institution :
Analog Devices, Wilmington, MA, USA
Abstract :
A monolithic opamp with measured 50fA input currents, 0.25mV offset and 5μV/°C offset drift will be reported. The amplifier uses a JFET developed for standard junction-isolated processing that can offer a 10× reduction in input current over other bipolar-compatible JFETs.
Keywords :
Dielectric substrates; Diodes; Frequency; MOSFET circuits; Operational amplifiers; Protection; Resistors; Semiconductor device noise; Thin film circuits; Voltage control;
Conference_Titel :
Solid-State Circuits Conference. Digest of Technical Papers. 1986 IEEE International
Conference_Location :
Anaheim, CA, USA
DOI :
10.1109/ISSCC.1986.1156959