1FEATURES

• Very Low Offset Drift

• Very Low Offset

• Low Input Bias Current

• Very Low 1/f Noise

• Low Noise

• Slew Rate

• Low Supply Current

• Input Voltage Range Includes V– Supply

• Single-Supply Operation: 4.5 V to 36 V

• Dual-Supply Operation: ±2.25 V to ±18 V

• No Phase Reversal

APPLICATIONS

• Battery-Powered Instruments

• Industrial Controls

• Medical Instrumentation

• Photodiode Amplifiers

• Active Filters

• Data Acquisition Systems

• Automatic Test Systems

DESCRIPTION

The OPA140A operational amplifier is a low-power JFET input amplifier that features good drift and low input

bias current. The rail-to-rail output swing and input range that includes V– allow designers to take advantage of

the low-noise characteristics of JFET amplifiers while also interfacing to modern, single-supply, precision analogto-

digital converters (ADCs) and digital-to-analog converters (DACs). The OPA140A runs on a single 4.5-V to

36-V supply or dual ±2.25-V to ±18-V supplies.