OPA4137PA

Instrumentation, Op Amps, Buffer Amps Overview

The OPA4137PA is a quad J-FET input operational amplifier from the MicroAmplifier series by Texas Instruments. It features a gain-bandwidth product of 1 MHz and a slew rate of 3.5 V/us. The device operates on supply voltages ranging from 4.5 V to 36 V, with a quiescent current of 220 uA per channel. Key electrical specifications include an input offset voltage of 3 mV, input bias current of 100 pA, and output current capability of 60 mA per channel. It provides rail-to-rail input/output performance within a PDIP-14 package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• J-FET input architecture providing low input bias current
• Rail-to-rail input and output signal swing capability
• Quad configuration integrating four independent amplifiers

Instrumentation, Op Amps, Buffer Amps Applications

• General purpose analog signal processing circuits
• Sensor interface applications requiring high input impedance
• Low cost multi-channel instrumentation systems

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm package type and tape/reel specifications. Ensure the component matches the required operating temperature range and pinout configuration for the target PCB design. Cross-reference the ordering part number with the latest datasheet revision to avoid discrepancies in mechanical dimensions or electrical parameters.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when multiple low-noise, high-impedance channels are required in a single package. The rail-to-rail capability allows for maximum dynamic range in single-supply applications. Compare power consumption and bandwidth requirements against other members of the MicroAmplifier family to ensure optimal fit for the specific circuit constraints.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the OPA137 family of precision J-FET operational amplifiers. The quad variant consolidates four identical amplifier circuits into one package, reducing board space compared to discrete solutions. It serves as a cost-effective alternative to higher-performance models while maintaining essential FET-input characteristics for general-purpose analog designs.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

OPA4137U/2K5

Instrumentation, Op Amps, Buffer Amps FAQ

What is the input bias current specification?

The input bias current is specified at 100 pA.

Does the OPA4137PA support rail-to-rail operation?

Yes, the device features rail-to-rail input and output capabilities.