MAX4287EUA+

Overview

The MAX4287EUA+ is a voltage feedback buffer amplifier manufactured by Analog Devices Inc./Maxim Integrated. It features two independent circuits housed in an 8-uMAX or uSOP package. The device operates within a supply voltage range of 1.8 V to 5.5 V and supports a working temperature range from -40°C to +85°C. Key electrical parameters include a gain bandwidth product of 500 kHz, a slew rate of 0.2 V/µs, and a maximum output current of 20 mA per channel. Input offset voltage is specified at 200 µV with an input bias current of 15 nA.

Feature Summary

• Voltage feedback architecture designed for buffering applications
• Rail-to-rail output capability for full signal swing utilization
• Low power consumption suitable for battery-operated systems
• Compact surface-mount packaging for space-constrained designs

Applications

• Signal conditioning in data acquisition systems
• Buffering stages in automotive control circuits
• Interface circuits requiring high impedance isolation

Procurement Notes

Verify component authenticity through authorized distributors due to potential availability constraints. Confirm RoHS3 compliance status prior to integration. Ensure the specific suffix matches the required package variant. Check for obsolescence notices as lifecycle status may vary by region. Validate datasheet revisions against current design requirements.

Selection Notes

Select this component when rail-to-rail output is required alongside low power operation. The 500 kHz bandwidth suits moderate-speed buffering tasks. Consider the 8-pin footprint for PCB layout compatibility. Evaluate thermal performance within the specified operating temperature range. Compare input bias current specifications against other micropower alternatives.

Part Context

This part belongs to the MAX4287 series of micropower operational amplifiers. It shares architectural similarities with other devices in the Maxim Integrated linear amplifier portfolio. The uMAX/uSOP package offers a compact solution compared to traditional DIP formats. It complements broader families of precision and general-purpose amplifiers offered by the manufacturer.

Replacement Considerations

Consult official substitution guides for compatible pin-to-pin replacements. Verify electrical parameter equivalence before swapping components. Cross-reference package dimensions to ensure mechanical fit. Review functional differences in bandwidth and slew rate if upgrading performance.