OPA347UA/2K5G4

Instrumentation, Op Amps, Buffer Amps Overview

The OPA347UA/2K5G4 is a single-channel, micropower operational amplifier manufactured by Texas Instruments. It features rail-to-rail input and output capabilities, supporting supply voltages from 2.3 V to 5.5 V. Key electrical parameters include a gain-bandwidth product of 350 kHz, a slew rate of 170 mV/us, and an input bias current of 10 pA. The device operates with a quiescent current of 20 uA per channel and delivers an output current of 17 mA. It is housed in an SOIC-8 surface-mount package and functions within a temperature range of -55°C to +125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Rail-to-rail input and output operation for maximum dynamic range
• Micropower consumption suitable for battery-powered applications
• Low input bias current for high-impedance signal sources

Instrumentation, Op Amps, Buffer Amps Applications

• Portable instrumentation systems
• Battery-operated measurement devices
• Sensor signal conditioning circuits

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'G4' against the manufacturer's official documentation to confirm compliance status and revision history. Ensure the SOIC-8 package dimensions match the target PCB footprint. Confirm that the operating temperature range meets the environmental requirements of the final assembly. Cross-reference the datasheet version to ensure all electrical characteristics align with design specifications.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when low power consumption and wide input/output voltage swing are required in a single-supply environment. The 350 kHz bandwidth supports moderate-speed signal processing tasks. Consider the 10 pA input bias current for applications involving high-impedance sensors. The extended industrial temperature range ensures reliability in varied thermal conditions compared to commercial-grade alternatives.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the OPA347 family of micropower operational amplifiers. It shares core electrical characteristics with other variants in the series but differs in packaging and ordering suffixes. The OPA347 series is designed for general-purpose applications requiring low power and rail-to-rail performance. Other members include dual-channel versions like the OPA2347 and quad-channel configurations.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Public confirmed substitute part numbers: OPA347UA/2K5, OPA347NA/3K.