OP297 - Analog Devices

OP297 Dual Low Bias Current Precision Operational Amplifier

Dual Low Bias Current Precision Operational Amplifier OP297 PIN CONNECTIONS Plastic Epoxy-DIP (P Suffix) 8-Pin Cerdip (Z Suffix) 8-Pin Narrow Body SOIC (S Suffix) OUT A 1 +IN A 3 V– 4 – 8 A – B V+ OUT B –IN B +IN B + –IN A 2 7 6 5 Errors due to common-mode signals are eliminated by the OP297’s common-mode rejection of over 120 dB. The OP297’s power s.

Features

Precision Performance in Standard SO-8 Pinout Low Offset Voltage: 50 ␮V max Low Offset Voltage Drift: 0.6 ␮V/؇ C max Very Low Bias Current: ␣ ␣ +25؇ C (100 pA max) ␣ ␣
  –55 ؇C to +125 ؇C (450 pA max) Very High Open-Loop Gain (2000 V/mV min) Low Supply Current (Per Amplifier): 625 ␮A max Operates From 62 V to 620 V Supplies High Common-Mode Rejection: 120 dB min Pin Compatible to LT1013, AD706, AD708, OP221, ␣ ␣ LM158, and MC1458/1558 with Improved Performance APPLICATIONS Strain Gauge and Bridge Amplifiers High Stability Thermocouple Amplifiers Instrumentation Amplifiers Photo-Current Monitors .