OPA4703EA/250

Instrumentation, Op Amps, Buffer Amps Overview

The OPA4703EA/250 is a quad operational amplifier manufactured by Texas Instruments, featuring CMOS technology with rail-to-rail input and output capabilities. It operates within a supply voltage range of 3 V to 12 V, drawing an operating supply current of 160 uA. The device offers a gain-bandwidth product of 1 MHz and a slew rate of 600 mV/us. Key electrical specifications include an input bias current of 10 pA, an input offset voltage of 750 uV, and a common-mode rejection ratio of 90 dB. It provides 10 mA output current per channel and exhibits an input voltage noise density of 45 nV/sqrt Hz. The component is housed in a TSSOP-14 package and functions reliably across a temperature range of -40 C to +85 C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Features rail-to-rail input and output stages for maximum dynamic range operation.
• Utilizes low-input-bias-current CMOS architecture for high-impedance signal interfacing.
• Provides quad-channel configuration in a compact surface-mount package.

Instrumentation, Op Amps, Buffer Amps Applications

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

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix EA/250 against the manufacturer's official datasheet to confirm the TSSOP-14 package variant and reel quantity specifications. Ensure compatibility with the intended operating temperature range of -40 C to +85 C. Cross-reference the part number with authorized distributors to validate authenticity and traceability documentation prior to integration into production designs.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when designing circuits that require both rail-to-rail performance and low quiescent current in a quad configuration. It is suitable for applications where the signal swings close to the supply rails are necessary. Consider the 1 MHz bandwidth and 600 mV/us slew rate for moderate-speed signal processing tasks. Evaluate the 750 uV input offset voltage against the required precision levels of the specific application.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the OPA4703 series of operational amplifiers from Texas Instruments. The series is characterized by its CMOS construction, which enables low power consumption while maintaining full rail-to-rail input and output swing. The quad version integrates four independent amplifiers into a single package, optimizing board space for multi-channel applications compared to single or dual-channel alternatives.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

The OPA4703UA-2K5G4 is a documented alternative offering identical electrical characteristics but packaged in SOIC-14 instead of TSSOP-14. Verify pinout compatibility and thermal dissipation requirements when substituting between these package types.