INA125PAG4

Product Overview

Category

The INA125PAG4 belongs to the category of integrated circuits (ICs) and specifically falls under the instrumentation amplifiers.

Use

This product is primarily used for precision signal conditioning in various applications such as industrial process control, medical instrumentation, and scientific research.

Characteristics

• High accuracy: The INA125PAG4 offers excellent precision and low offset voltage, ensuring accurate signal amplification.
• Low noise: It provides a low noise figure, enabling clear and reliable signal amplification.
• Wide input voltage range: The device can handle a wide range of input voltages, making it suitable for diverse applications.
• High common-mode rejection ratio (CMRR): The INA125PAG4 exhibits a high CMRR, allowing it to reject common-mode noise effectively.
• Low power consumption: It operates on low power, making it energy-efficient.

Package

The INA125PAG4 comes in a small outline package (SOP) with 8 pins. This package type ensures easy integration into circuit boards and facilitates compact designs.

Essence

The essence of the INA125PAG4 lies in its ability to accurately amplify weak signals while rejecting common-mode noise, resulting in precise and reliable measurements.

Packaging/Quantity

The INA125PAG4 is typically available in reels or tubes, containing a quantity of 250 units per package.

Specifications

• Supply voltage: 2.7V to 36V
• Input voltage range: ±Vs/2
• Gain bandwidth product: 200kHz
• Input offset voltage: 50µV (maximum)
• Input bias current: 0.5nA (maximum)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The INA125PAG4 has eight pins arranged as follows:

1. V+
2. V-
3. RG
4. REF
5. OUT
6. NC (No Connection)
7. GND
8. VS

Functional Features

• High gain: The INA125PAG4 provides a high gain, allowing for precise amplification of weak signals.
• Differential input: It accepts differential input signals, enabling the measurement of the voltage difference between two points accurately.
• Adjustable gain: The device allows for adjustable gain through an external resistor connected to the RG pin.
• Internal reference voltage: The INA125PAG4 incorporates an internal reference voltage, simplifying circuit design and calibration.

Advantages and Disadvantages

Advantages

• High accuracy and precision
• Low noise figure
• Wide input voltage range
• Excellent common-mode rejection ratio
• Energy-efficient operation

Disadvantages

• Limited maximum supply voltage range
• Requires external resistor for gain adjustment

Working Principles

The INA125PAG4 operates based on the principle of differential amplification. It amplifies the voltage difference between its two input pins while rejecting any common-mode voltage present at both inputs. This allows for accurate measurement of small signals in the presence of noise or interference.

Detailed Application Field Plans

The INA125PAG4 finds applications in various fields, including: 1. Industrial process control: It can be used for monitoring and controlling parameters such as temperature, pressure, and flow rate in industrial processes. 2. Medical instrumentation: The device is suitable for amplifying bioelectric signals in medical devices like electrocardiograms (ECGs) and electromyography (EMG) systems. 3. Scientific research: It can be utilized in scientific experiments requiring precise signal conditioning, such as data acquisition systems and sensor interfaces.

Detailed and Complete Alternative Models

Some alternative models to the INA125PAG4 include: - AD620 - MCP6N11 - LT1167 - AD8221

These models offer similar functionality and can be considered as alternatives based on specific requirements.

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