The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet text
OPA277, OPA2277, OPA4277
SBOS079C – MARCH 1999 – REVISED FEBRUARY 2023
OPAx277 High-Precision Operational Amplifiers
50nV/div
1 Features
• Ultra-low offset voltage: 10 μV • Ultra-low drift: ±0.1 μV/°C • High open-loop gain: 134 dB • High common-mode rejection: 140 dB • High power-supply rejection: 130 dB • Low bias current: 1-nA maximum • Wide supply range: ±2 V to ±18 V • Low quiescent current: 800 μA/amplifier • Single, dual, and quad versions • Replaces OP-07, OP-77, and OP-177 • For similar performance with ±40-V overvoltage
protection, see the OPA2206
2 Applications
• Analog input module • Weigh scale • Temperature transmitter • Pressure transmitter • Data acquisition (DAQ) • Lab and field instrumentation • Battery test
Noise signal is bandwidth limited to lie between 0.