OPA2140AID

Instrumentation, Op Amps, Buffer Amps Overview

The OPA2140AID is a dual-channel precision J-FET operational amplifier manufactured by Texas Instruments. It features an 8-pin SOIC surface-mount package with a maximum supply voltage of 36 V and a minimum of 4.5 V. Key electrical parameters include a gain-bandwidth product of 11 MHz, a slew rate of 20 V/µs, and an input offset voltage of 30 µV. The device operates within a temperature range of -40°C to +125°C, draws 1.8 mA of supply current, and provides an output current of 36 mA per channel.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• J-FET input stage providing ultra-low input bias current for high-impedance signal sources
• Rail-to-rail output capability maximizing dynamic range in single-supply applications
• Precision specifications including low input offset voltage and noise density

Instrumentation, Op Amps, Buffer Amps Applications

• High-precision data acquisition systems requiring low drift
• Medical instrumentation and electrocardiogram (ECG) front ends
• Industrial process control sensors and transducer conditioning

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'AID' corresponds to the 8-SOIC package and commercial/industrial temperature grade. Confirm RoHS compliance status as specified in the latest manufacturer datasheet. Ensure ESD handling protocols are followed due to the J-FET input structure sensitivity.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when rail-to-rail output swing is required alongside J-FET input characteristics. Compare against the OPA2140AIDRGR variant if reel packaging is preferred over tubes. Consider the OPA140 or OPA4140 if single or quad channel configurations are needed instead.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the OPAx140 family of precision amplifiers from Texas Instruments. The family shares core electrical performance metrics such as 11 MHz bandwidth and 20 V/µs slew rate. Variations exist in channel count (OPA140, OPA2140, OPA4140) and package types, allowing design flexibility while maintaining consistent signal integrity.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Check for direct pin-compatible alternatives within the same TI family. Verify that substitute parts maintain the 36 V maximum supply rating and rail-to-rail output specification.