MAX9985ETX+T Overview
The MAX9985ETX+T is a precision, low-noise, low-voltage operational amplifier designed for demanding industrial and instrumentation applications. It offers ultra-low input voltage noise and wide bandwidth, enabling high-performance signal conditioning in sensitive measurement systems. The device supports rail-to-rail input/output operation and operates from a single 2.7V to 5.5V power supply, making it ideal for portable and battery-powered equipment. Its compact SOT23 package ensures easy integration into space-constrained designs. For sourcing and technical details, visit the IC Manufacturer.
MAX9985ETX+T Technical Specifications
| Parameter | Specification |
|---|---|
| Supply Voltage Range | 2.7 V to 5.5 V |
| Input Voltage Noise Density | 4.5 nV/??Hz (typical at 1 kHz) |
| Gain Bandwidth Product | 7 MHz |
| Input Offset Voltage | ??100 ??V (max) |
| Input Bias Current | ??0.75 pA (typical) |
| Slew Rate | 12 V/??s |
| Output Voltage Swing | Rail-to-Rail |
| Operating Temperature Range | -40??C to +125??C |
| Package Type | SOT23-5 |
MAX9985ETX+T Key Features
- Ultra-Low Input Voltage Noise: Delivers 4.5 nV/??Hz noise density that enhances signal integrity in precision measurement applications.
- Wide Gain Bandwidth: 7 MHz bandwidth supports fast transient response, critical for high-speed sensor interface circuits.
- Rail-to-Rail Input and Output: Maximizes dynamic range and simplifies single-supply system design, improving overall efficiency.
- Low Input Bias Current: Typical input bias current of 0.75 pA reduces offset errors in high-impedance sensor applications.
- Wide Supply Voltage Range: Operates from 2.7 V to 5.5 V, enabling compatibility with standard industrial power rails and battery-powered devices.
- Compact SOT23 Package: Small footprint facilitates high-density PCB layouts without compromising thermal performance.
- Wide Temperature Range: Industrial-grade -40??C to +125??C rating ensures reliable operation in harsh environments.
MAX9985ETX+T Advantages vs Typical Alternatives
This amplifier offers significantly lower input voltage noise and bias current compared to typical operational amplifiers, enhancing accuracy in sensitive analog front ends. Its rail-to-rail input/output capability combined with a wide supply voltage range simplifies system design by eliminating the need for dual power supplies. Compact packaging and industrial temperature ratings further improve reliability and integration flexibility for modern industrial and instrumentation applications.
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Typical Applications
- Precision sensor signal conditioning: Ideal for amplifying low-level signals from thermocouples, strain gauges, and photodiodes with minimal noise interference.
- Battery-powered instrumentation: Low voltage operation and low quiescent current extend battery life in portable measurement devices.
- Data acquisition systems: Supports accurate and high-speed analog input processing for industrial control and monitoring equipment.
- Medical instrumentation: Provides stable, low-noise amplification required for ECG, EEG, and other bio-potential measurements.
MAX9985ETX+T Brand Info
The MAX9985ETX+T is part of a specialized series of operational amplifiers known for precision, low noise, and robust performance in industrial and instrumentation markets. Manufactured under stringent quality and reliability standards, this device exemplifies the brand??s commitment to delivering high-performance analog components tailored to engineers?? needs for accuracy, efficiency, and integration simplicity. Its design targets applications demanding signal fidelity and stability over wide temperature and voltage ranges.
FAQ
What is the typical input voltage noise of this operational amplifier?
The device features a typical input voltage noise density of 4.5 nV/??Hz at 1 kHz, making it suitable for low-noise, high-precision analog front-end applications.
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