OPA704NA/3KG4

Instrumentation, Op Amps, Buffer Amps Overview

The OPA704NA/3KG4 is a single-channel CMOS operational amplifier from the Texas Instruments OPA704 series. It features rail-to-rail input and output capabilities, supporting supply voltages between 4 V and 12 V. Key electrical parameters include a gain-bandwidth product of 3 MHz, a slew rate of 3 V/us, and an input bias current of 10 pA. The device operates with a quiescent current of 160 uA and delivers an output current of 10 mA per channel. It provides a common-mode rejection ratio of 90 dB and an input voltage noise density of 45 nV/sqrt Hz. The component is housed in a SOT-23-5 package and functions within a temperature range of -40 C to +85 C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• CMOS technology enabling low input bias current for high-impedance signal applications
• Rail-to-rail input and output functionality maximizing dynamic range
• Single-channel architecture optimized for space-constrained designs

Instrumentation, Op Amps, Buffer Amps Applications

• Battery-powered instrumentation systems requiring low power consumption
• Signal conditioning circuits for high-impedance sensors
• Portable medical devices utilizing single-supply operation

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'G4' against official manufacturer documentation to confirm compliance details and material composition. Ensure the ordering part number matches the exact package variant required for your PCB layout. Cross-reference the datasheet revision date to validate all electrical specifications before finalizing procurement decisions.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when rail-to-rail performance is necessary alongside low power consumption in a compact surface-mount package. Compare the 3 MHz bandwidth and 10 pA bias current against alternative amplifiers to ensure suitability for precision applications. Evaluate the SOT-23-5 footprint constraints against available board space during the design phase.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the OPA704 family of low-power, rail-to-rail operational amplifiers. The 'NA' designation indicates the specific package and temperature grade, while '/3K' typically denotes reel packaging quantities. The 'G4' suffix often relates to lead-free or environmental compliance standards defined by the manufacturer.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult the official datasheet for direct pin-compatible alternatives within the same family. Verify that substitute components maintain identical rail-to-rail input/output characteristics and similar bias current specifications.