INA240A2QPWRQ1

Product Overview

The INA240A2QPWRQ1 belongs to the category of precision current-sensing amplifiers. It is commonly used for accurate measurement of voltage across a shunt resistor in various applications, including power management and battery monitoring systems. The device is known for its high accuracy, low offset voltage, and wide input common-mode voltage range. It is available in a small package, making it suitable for space-constrained designs. The essence of the INA240A2QPWRQ1 lies in its ability to provide precise current measurements in challenging operating conditions. It is typically offered in tape and reel packaging with a specific quantity per reel.

Specifications

• Input Voltage Range: ±40V
• Supply Voltage Range: 2.7V to 5.5V
• Gain Error: ±0.1%
• Bandwidth: 350kHz
• Operating Temperature Range: -40°C to 125°C
• Package Type: TSSOP

Detailed Pin Configuration

The INA240A2QPWRQ1 features a standard TSSOP pin configuration with 14 pins. The pinout includes connections for power supply, input voltage, reference voltage, and output signal, ensuring seamless integration into various circuit designs.

Functional Features

• High Accuracy: The device offers precise current measurements with minimal error, enhancing overall system performance.
• Wide Input Common-Mode Voltage Range: This feature allows the amplifier to accommodate a broad range of input voltages, increasing its versatility in different applications.
• Low Offset Voltage: The low offset voltage contributes to accurate current sensing, particularly in low-level current measurements.

Advantages and Disadvantages

Advantages

• High accuracy
• Wide input voltage range
• Small package size

Disadvantages

• Limited bandwidth compared to some alternatives
• Higher cost compared to basic current-sensing amplifiers

Working Principles

The INA240A2QPWRQ1 operates based on the principle of translating the voltage drop across a shunt resistor into a proportional output voltage. By amplifying this voltage, the device enables precise current measurements, which are essential for various system monitoring and control functions.

Detailed Application Field Plans

The INA240A2QPWRQ1 finds extensive application in fields such as battery management systems, motor control, solar inverters, and power supply monitoring. Its high accuracy and wide input voltage range make it suitable for demanding environments where precise current measurements are critical for system safety and efficiency.

Detailed and Complete Alternative Models

Some alternative models to the INA240A2QPWRQ1 include the INA219, MAX4372, and AD8210. These devices offer similar functionality and are suitable replacements depending on specific design requirements.

In conclusion, the INA240A2QPWRQ1 is a precision current-sensing amplifier that excels in providing accurate current measurements in diverse applications. With its high accuracy, wide input voltage range, and compact package, it serves as a reliable solution for demanding system monitoring and control needs.

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