National Semiconductor Corp., Santa Clara, CA, USA
Volume :
XXIII
fYear :
1980
fDate :
13-15 Feb. 1980
Firstpage :
134
Lastpage :
135
Abstract :
The use of combined resistive and current mode feedback in an instrumentation amplifier with 8nV/ input voltage noise, 2nA input bias current and 0.01% linearity will be reported. Laser trimming of silicon-chrome resistors affords 20μV input offset voltage and 0.2μV/°C drift.