MAX4489ASA+T

Instrumentation, Op Amps, Buffer Amps Overview

The MAX4489ASA+T is a dual-channel, wide-band operational amplifier manufactured by Analog Devices Inc./Maxim Integrated. It operates on a single supply voltage ranging from +2.7V to +5.5V and features rail-to-rail output capability. The device provides a gain-bandwidth product of 42MHz and is internally compensated for stability at gains of +5V/V or greater. Key electrical specifications include an input offset voltage of ±70µV, an input bias current of ±1pA, and a quiescent supply current of 2.2mA per amplifier. It supports an operating temperature range from -40°C to +125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Ultra-low noise performance with low input voltage-noise density and low input current-noise density
• Low distortion characteristics suitable for high-fidelity signal processing
• Single-supply operation with true rail-to-rail output swings
• Input common-mode voltage range extends below ground to include the negative rail

Instrumentation, Op Amps, Buffer Amps Applications

• ADC Buffers
• DAC Output Amplifiers
• Low-Noise Microphone/Preamplifiers
• Medical Instrumentation
• Automotive Systems

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific package configuration and RoHS compliance status against the manufacturer's latest documentation before procurement. Confirm that the ordering suffix matches the required tape-and-reel packaging format. Ensure the component meets the necessary automotive qualification standards if intended for vehicle applications. Cross-reference the part number with official distributor catalogs to validate availability and authenticity.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a dual-channel amplifier with high bandwidth and low noise is required. It is specifically designed for applications demanding low distortion and wide dynamic range. The internal compensation allows for stable operation at higher closed-loop gains. Consider the power supply constraints and thermal requirements to ensure optimal performance within the specified operating temperature range.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the MAX4475–MAX4478/MAX4488/MAX4489 family of SOT23, low-noise, low-distortion, wide-band, rail-to-rail op amps. The MAX4489 variant specifically offers two amplifiers in the package, distinguishing it from the single-channel MAX4488 and the unity-gain stable MAX4475 series. It shares the same core architecture regarding noise and distortion performance.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.