INA155E/250G4

Product Overview

Category: Integrated Circuit (IC)

Use: The INA155E/250G4 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 - Low power consumption

Package: The INA155E/250G4 comes in a small outline package (SOIC) with 8 pins.

Essence: The essence of the INA155E/250G4 lies in its ability to amplify weak signals accurately and efficiently, making it suitable for use in sensitive measurement and control systems.

Packaging/Quantity: The INA155E/250G4 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)
• Gain Bandwidth Product: 1MHz
• Input Bias Current: 0.5nA (maximum)
• Common-Mode Rejection Ratio: 100dB (minimum)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA155E/250G4 has the following pin configuration:

```

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

Functional Features

• High Accuracy: The INA155E/250G4 provides precise amplification of signals, ensuring accurate measurement and control.
• Low Noise and Distortion: It minimizes unwanted noise and distortion, maintaining signal integrity.
• Wide Input Voltage Range: The amplifier can handle a wide range of input voltages, accommodating various signal levels.
• High Common-Mode Rejection Ratio: It effectively rejects common-mode noise, enhancing the accuracy of differential measurements.
• Low Power Consumption: The INA155E/250G4 operates with low power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - High accuracy and precision - Low noise and distortion - Wide input voltage range - High common-mode rejection ratio - Low power consumption

Disadvantages: - Limited gain bandwidth product (1MHz) - Requires external power supply

Working Principles

The INA155E/250G4 is based on the principle of an instrumentation amplifier. It amplifies the difference between two input signals while rejecting common-mode noise. The amplifier consists of multiple stages, including differential amplifiers, gain-setting resistors, and output buffers. These components work together to provide accurate amplification of weak signals.

Detailed Application Field Plans

The INA155E/250G4 finds application in various fields, including: 1. Biomedical instrumentation 2. Industrial process control 3. Precision measurement equipment 4. Strain gauge amplification 5. Data acquisition systems 6. Sensor signal conditioning

Detailed and Complete Alternative Models

1. AD8221: Precision Instrumentation Amplifier with Rail-to-Rail Output
2. MCP6N11: Zero-Drift Instrumentation Amplifier
3. LT1167: Precision Instrumentation Amplifier with Shutdown

These alternative models offer similar functionality and can be considered as alternatives to the INA155E/250G4 depending on specific requirements.

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