INA128UG4

Product Overview

Category

INA128UG4 belongs to the category of integrated circuits (ICs).

Use

The INA128UG4 is primarily used as a precision instrumentation amplifier. It is designed to amplify small differential input signals while rejecting common-mode noise.

Characteristics

• High accuracy and precision
• Low offset voltage and drift
• Wide bandwidth
• Low noise
• High common-mode rejection ratio (CMRR)
• Single or dual supply operation

Package

The INA128UG4 comes in a small outline package (SOP) with 8 pins.

Essence

The essence of INA128UG4 lies in its ability to accurately amplify small differential signals, making it suitable for applications requiring precise measurements.

Packaging/Quantity

The INA128UG4 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Supply Voltage: ±2.25V to ±18V
• Input Offset Voltage: 50µV (maximum)
• Input Bias Current: 0.5nA (maximum)
• Gain Bandwidth Product: 1MHz
• Common-Mode Rejection Ratio: 120dB (minimum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The INA128UG4 has the following pin configuration:

```

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| | --| V+ | --| IN(-) | --| IN(+) | --| REF | --| OUT | --| V- | |___________| ```

Functional Features

• Differential input amplification
• High CMRR for rejecting common-mode noise
• Low offset voltage for accurate measurements
• Wide operating temperature range for versatile applications
• Single or dual supply operation for flexibility

Advantages and Disadvantages

Advantages

• High accuracy and precision
• Excellent common-mode rejection
• Low noise performance
• Wide operating temperature range

Disadvantages

• Limited gain bandwidth product compared to some alternatives
• Higher cost compared to basic operational amplifiers

Working Principles

The INA128UG4 operates based on the principle of amplifying the difference between two input signals while rejecting any common-mode signal. It achieves this through a combination of differential amplification, feedback, and internal circuitry.

Detailed Application Field Plans

The INA128UG4 finds applications in various fields, including: 1. Biomedical instrumentation 2. Industrial process control 3. Strain gauge amplification 4. Data acquisition systems 5. Precision measurement equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to INA128UG4 include: 1. AD620 2. AD8221 3. LT1167 4. MCP6N11 5. MAX4209

These alternatives offer similar functionality and characteristics, but it is important to carefully evaluate their specifications and suitability for specific applications.

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