MAX4239AUT/V+T

Ultra-Low Noise and Low Distortion Rail-to-Rail I/O Amplifier

Product Description

Product Overview

The MAX4239AUT/V+T is a high-performance precision operational amplifier offering ultra-low input voltage noise and rail-to-rail input/output swing. Designed to maximize dynamic range and signal fidelity, the device is well-suited for precision sensor interfaces, low-level signal amplification, active filtering, and data acquisition systems. With excellent distortion and AC performance, this op amp supports demanding analog applications while maintaining stability over a wide range of load conditions. Its compact automotive-qualified package enhances reliability in industrial and automotive environments.

Key Features

Rail-to-rail input and output swing for maximum dynamic range
Ultra-low input voltage noise (~3.5 nV/√Hz typ.)
Low distortion and high linearity
Wide bandwidth and fast slew rate
Stable with capacitive loads
Low offset voltage and drift
High open-loop gain and CMRR
Single-supply operation compatible (e.g., 5 V)
Automotive-qualified (AEC-Q100) for reliable operation
Compact SOT-23 package with low profile

Applications

Precision sensor signal conditioning
Low-level data acquisition amplifiers
Active filters and integrators
Portable and battery-powered instrumentation
Automotive signal processing and control loops
Industrial control systems
Medical monitoring and measurement devices

Electrical Characteristics

Parameter	Typical
Amplifier Type	Precision Low-Noise Op Amp
Input/Output	Rail-to-Rail
Input Noise	~3.5 nV/√Hz (typ.)
Bandwidth	Wide
Slew Rate	High
Supply Voltage Range	1.8 V ~ 5.5 V (configurable)
Offset Voltage	Low
CMRR	High
Load Capacitance	Stable
Package	SOT-23
Operating Temp.	–40 °C ~ +125 °C
Automotive Qualification	AEC-Q100
RoHS Compliance	RoHS Compliant