INA326EA/250G4

Product Overview

Category: Integrated Circuits (ICs)

Use: The INA326EA/250G4 is a precision instrumentation amplifier designed for accurate signal amplification in various applications. It provides high gain, low noise, and excellent common-mode rejection ratio (CMRR) to ensure reliable and precise measurements.

Characteristics: - High gain - Low noise - Excellent CMRR - Wide input voltage range - Low power consumption

Package: The INA326EA/250G4 comes in a small outline package (SOIC) with 8 pins.

Essence: This IC is essential for amplifying weak signals accurately and reliably in applications where precision measurement is required.

Packaging/Quantity: The INA326EA/250G4 is typically sold in reels or tubes containing a specified quantity of ICs.

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 50µV (maximum)
• Gain Bandwidth Product: 1MHz
• Input Bias Current: 10nA (maximum)
• Common-Mode Rejection Ratio: 100dB (minimum)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA326EA/250G4 has the following pin configuration:

```

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

Functional Features

• High gain amplification of weak signals
• Low noise amplification for accurate measurements
• Excellent rejection of common-mode noise
• Wide input voltage range for versatile applications
• Low power consumption for energy efficiency

Advantages

• Precise and reliable signal amplification
• Low noise performance for accurate measurements
• Wide input voltage range allows for flexibility in applications
• Excellent common-mode rejection ratio ensures minimal interference

Disadvantages

• Limited gain bandwidth product may restrict high-frequency applications
• Requires external power supply for operation

Working Principles

The INA326EA/250G4 is based on the instrumentation amplifier architecture. It consists of three operational amplifiers (op-amps) that work together to amplify the differential input signal while rejecting common-mode noise. The input signals are amplified by a programmable gain stage, providing the desired level of amplification. The amplified output is then available at the OUT pin.

Application Field Plans

The INA326EA/250G4 finds applications in various fields where precise signal amplification is required. Some of the potential application areas include:

1. Biomedical instrumentation: Amplifying weak bioelectric signals for medical diagnostics and research.
2. Industrial automation: Signal conditioning and amplification for process control systems.
3. Test and measurement equipment: Accurate signal amplification for laboratory instruments.
4. Sensor interfaces: Amplifying sensor outputs for accurate data acquisition.
5. Audio equipment: High-fidelity audio amplification for professional audio systems.

Alternative Models

1. INA333: Similar precision instrumentation amplifier with lower power consumption.
2. AD8221: Precision instrumentation amplifier with higher gain bandwidth product.
3. MCP6N11: Programmable gain instrumentation amplifier with low noise performance.

These alternative models offer similar functionality and can be considered as substitutes for the INA326EA/250G4 in specific applications.

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