OPA2345EA/2K5G4

Instrumentation, Op Amps, Buffer Amps Overview

The OPA2345EA/2K5G4 is a dual-channel, low-power, single-supply operational amplifier from Texas Instruments. It features rail-to-rail input and output capabilities, making it suitable for single-supply applications. Key electrical parameters include a gain-bandwidth product of 3 MHz, a slew rate of 2 V/us, and an input offset voltage of 1 mV. The device operates on supply voltages ranging from 2.5 V to 5.5 V with a typical quiescent current of 150 uA per channel. It offers a common-mode rejection ratio of 92 dB and an input bias current of 10 pA. The component is housed in an 8-pin VSSOP package and supports an operating temperature range from -40°C to +85°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Dual-channel architecture providing two independent amplifiers in a compact footprint.
• Rail-to-rail input and output functionality for maximum dynamic range in single-supply systems.
• Low power consumption design optimized for battery-operated applications.
• High precision performance with low input offset voltage and high common-mode rejection.

Instrumentation, Op Amps, Buffer Amps Applications

• Portable instrumentation and measurement devices
• Battery-powered sensor signal conditioning
• Active filtering in audio and data acquisition systems
• Medical equipment requiring low power and high accuracy

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix '2K5G4' indicates the tape and reel packaging quantity and lead-free status as defined by Texas Instruments. Confirm that the VSSOP-8 package matches your PCB footprint requirements. Ensure compatibility with RoHS directives if required by your manufacturing standards. Cross-reference the manufacturer part number with authorized distributors to ensure authenticity and traceability.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when dual-channel amplification is needed with rail-to-rail I/O constraints. It is appropriate for designs requiring low power consumption under 5.5 V supplies. Consider its 3 MHz bandwidth for moderate-speed signal processing tasks. Evaluate the 1 mV offset voltage against your system's accuracy requirements. Compare with single-channel variants if only one amplifier is utilized to optimize board space.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the OPA2345 family of MicroAmplifiers, designed for low-cost, low-power applications. It complements other members like the OPA2345UA (SOIC-8) and OPA2345EA/250 (VSSOP-8). The family emphasizes ease of use in single-supply environments. It serves as a general-purpose solution for consumer electronics and industrial control where power efficiency is critical.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility before considering alternative op-amps. Check if higher bandwidth or lower noise specifications are required for specific upgrades.