INA2126EA/250G4

Product Overview

Category

The INA2126EA/250G4 belongs to the category of integrated circuit (IC) amplifiers.

Use

This product is primarily used for precision instrumentation and measurement applications, specifically in the field of current sensing and monitoring.

Characteristics

• High accuracy: The INA2126EA/250G4 offers exceptional accuracy in current sensing, making it suitable for demanding measurement requirements.
• Wide input voltage range: It can handle a wide range of input voltages, allowing for versatile application scenarios.
• Low offset voltage: The low offset voltage ensures minimal error in current measurements.
• High common-mode rejection ratio (CMRR): The high CMRR enables accurate measurements even in the presence of common-mode noise.

Package

The INA2126EA/250G4 is available in a small outline package (SOIC), which provides ease of integration into various circuit designs.

Essence

The essence of this product lies in its ability to accurately sense and monitor current in precision instrumentation applications.

Packaging/Quantity

The INA2126EA/250G4 is typically packaged in reels, with 250 units per reel.

Specifications

• Supply voltage: 2.7V to 36V
• Input common-mode voltage range: -0.1V to V+ + 0.1V
• Output voltage swing: Rail-to-rail
• Gain bandwidth product: 200kHz
• Quiescent current: 500µA (typical)
• Operating temperature range: -40°C to 125°C

Detailed Pin Configuration

The INA2126EA/250G4 features eight pins arranged as follows:

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

Functional Features

• High precision current sensing: The INA2126EA/250G4 provides accurate current measurements with minimal error.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for various applications.
• Rail-to-rail output swing: The output voltage can reach the full supply voltage range, maximizing signal integrity.
• Low power consumption: With a low quiescent current, it ensures efficient power usage.

Advantages and Disadvantages

Advantages

• High accuracy in current sensing
• Wide input voltage range
• Rail-to-rail output swing
• Low power consumption

Disadvantages

• Limited gain bandwidth product compared to some other IC amplifiers
• Requires external components for proper operation

Working Principles

The INA2126EA/250G4 operates based on the principle of differential amplification. It amplifies the voltage difference between the IN+ and IN- inputs, which corresponds to the sensed current. This amplified voltage is then available at the OUT pin for further processing or measurement.

Detailed Application Field Plans

The INA2126EA/250G4 finds extensive use in various application fields, including:

1. Power management systems: Current monitoring in power supplies, battery chargers, and DC-DC converters.
2. Industrial automation: Current sensing in motor control systems, robotics, and process control equipment.
3. Automotive electronics: Current measurement in electric vehicle charging stations, battery management systems, and motor control units.
4. Test and measurement equipment: Precise current sensing in multimeters, oscilloscopes, and data acquisition systems.

Detailed and Complete Alternative Models

1. INA213AIDCKR: Similar functionality with enhanced EMI performance.
2. INA210AIDCKT: Lower power consumption with reduced quiescent current.
3. INA211AIDCKT: Higher gain bandwidth product for wider frequency response.

These alternative models offer similar features and can be considered based on specific application requirements.

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