INA128UAE4

Product Overview

Category: Integrated Circuit (IC)

Use: The INA128UAE4 is a precision instrumentation amplifier designed for accurate signal amplification in various applications.

Characteristics: - High accuracy and precision - Low noise and distortion - Wide input voltage range - High common-mode rejection ratio (CMRR) - Low power consumption

Package: The INA128UAE4 is available in a small outline package (SOIC) with 8 pins.

Essence: The essence of the INA128UAE4 lies in its ability to amplify weak signals accurately and reliably, making it suitable for use in sensitive measurement and instrumentation systems.

Packaging/Quantity: The INA128UAE4 is typically sold in reels or tubes containing multiple units. The exact quantity depends on the supplier and customer requirements.

Specifications

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

Pin Configuration

The INA128UAE4 has the following pin configuration:

```

---

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

Functional Features

• High gain accuracy and stability
• Differential input configuration for common-mode noise rejection
• Adjustable gain through external resistor (RG)
• Internal reference voltage for precise amplification
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages: - High accuracy and precision - Low noise and distortion - Wide input voltage range - Excellent common-mode rejection - Flexible gain adjustment

Disadvantages: - Limited bandwidth compared to some other amplifiers - Requires external resistor for gain adjustment

Working Principles

The INA128UAE4 operates based on the principle of differential amplification. It amplifies the difference between the two input signals (IN(-) and IN(+)) while rejecting any common-mode noise present in both inputs. The gain can be adjusted by connecting an external resistor (RG) between the RG pin and the REF pin.

Application Field Plans

The INA128UAE4 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

Alternative Models

Some alternative models that offer similar functionality to the INA128UAE4 include: - AD620 - AD8221 - LT1167 - MCP6N11

These alternatives may have slightly different specifications and pin configurations but serve the same purpose of precision signal amplification.

Word count: 324 words