INA2141UAG4

Product Overview

Category: Integrated Circuit (IC)

Use: The INA2141UAG4 is a precision, low-power, bidirectional current-sensing amplifier. It is designed for use in applications that require accurate measurement of both positive and negative currents.

Characteristics: - Precision: The INA2141UAG4 offers high accuracy with a maximum offset voltage of 50µV and a gain error of only 0.5%. - Low Power Consumption: With a supply voltage range of 2.7V to 5.5V, the INA2141UAG4 consumes minimal power, making it suitable for battery-powered devices. - Bidirectional Current Sensing: This amplifier can accurately measure both positive and negative currents, allowing for versatile applications. - Wide Common-Mode Range: The device supports a wide common-mode voltage range of -16V to +80V, enabling it to handle various input signal levels. - Small Package: The INA2141UAG4 is available in a small, space-saving package, making it suitable for compact designs.

Package: The INA2141UAG4 is available in a surface-mount SOIC-8 package.

Essence: The essence of the INA2141UAG4 lies in its ability to accurately sense and amplify bidirectional currents with high precision and low power consumption.

Packaging/Quantity: The INA2141UAG4 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Common-Mode Voltage Range: -16V to +80V
• Offset Voltage: 50µV (maximum)
• Gain Error: 0.5% (maximum)
• Bandwidth: 200kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA2141UAG4 features an 8-pin SOIC package with the following pin configuration:

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

Functional Features

• High Accuracy: The INA2141UAG4 provides precise current measurements with low offset voltage and gain error.
• Bidirectional Current Sensing: It accurately measures both positive and negative currents, making it suitable for applications such as battery monitoring and motor control.
• Wide Common-Mode Range: The device can handle a wide range of input signal levels, allowing for versatile use in various systems.
• Low Power Consumption: With its low power requirements, the INA2141UAG4 is ideal for energy-efficient designs.

Advantages and Disadvantages

Advantages: - High accuracy - Bidirectional current sensing - Wide common-mode range - Low power consumption

Disadvantages: - Limited bandwidth compared to some other amplifiers - Requires external components for proper operation

Working Principles

The INA2141UAG4 operates based on the principle of amplifying the voltage difference across a shunt resistor connected in series with the current path. By measuring this voltage, the amplifier accurately determines the current flowing through the shunt resistor in both directions.

Detailed Application Field Plans

The INA2141UAG4 finds applications in various fields, including but not limited to: - Battery monitoring systems - Motor control - Power management - Industrial automation - Energy harvesting systems

Detailed and Complete Alternative Models

Some alternative models to the INA2141UAG4 that offer similar functionality include: - INA210 - INA213 - INA219 - INA240

These alternatives can be considered based on specific requirements and design constraints.

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