INA214AIDCKTG4

Product Overview

Category: Integrated Circuit (IC)

Use: The INA214AIDCKTG4 is a high-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: - High precision: The INA214AIDCKTG4 offers a high level of accuracy in current measurements, making it suitable for demanding applications. - Low power consumption: This IC is designed to minimize power consumption, making it ideal for battery-powered devices. - Bidirectional current sensing: It can accurately measure both positive and negative currents, allowing for versatile applications. - Small package: The INA214AIDCKTG4 comes in a compact DCK package, which saves space on the circuit board. - Essence: The essence of this product lies in its ability to provide precise and reliable current measurements in various applications.

Packaging/Quantity: The INA214AIDCKTG4 is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply voltage range: 2.7V to 5.5V
• Input common-mode voltage range: -0.3V to +26V
• Output voltage swing: 0V to Vsupply - 0.1V
• Gain error: ±0.25%
• Offset voltage: ±100µV
• Bandwidth: 200kHz
• Quiescent current: 60µA

Pin Configuration

The INA214AIDCKTG4 has the following pin configuration:

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Functional Features

• High accuracy current sensing: The INA214AIDCKTG4 provides precise current measurements with a gain error of only ±0.25%.
• Bidirectional current measurement: It can accurately measure both positive and negative currents, making it suitable for applications such as battery charging and discharging.
• Low power consumption: With a quiescent current of only 60µA, the INA214AIDCKTG4 minimizes power consumption, extending battery life in portable devices.
• Wide supply voltage range: The IC operates from 2.7V to 5.5V, allowing flexibility in various power supply configurations.
• Rail-to-rail output swing: The output voltage swing ranges from 0V to Vsupply - 0.1V, enabling accurate measurements across the entire supply voltage range.

Advantages and Disadvantages

Advantages: - High precision current sensing - Bidirectional current measurement capability - Low power consumption - Wide supply voltage range - Compact package size

Disadvantages: - Limited bandwidth (200kHz) - Offset voltage may introduce small measurement errors

Working Principles

The INA214AIDCKTG4 utilizes a differential amplifier configuration to measure the voltage drop across a sense resistor connected in series with the current being measured. By amplifying this voltage drop, the IC provides an accurate representation of the current flowing through the sense resistor.

Application Field Plans

The INA214AIDCKTG4 finds applications in various fields, including: 1. Battery management systems: Accurate current measurement is crucial for monitoring battery charging and discharging in electric vehicles and portable devices. 2. Power supplies: The IC can be used to monitor current consumption in power supply circuits, enabling efficient power management. 3. Motor control: Precise current sensing is essential for controlling the speed and torque of motors in industrial automation and robotics. 4. Solar energy systems: The INA214AIDCKTG4 can be employed to measure current in solar panels, optimizing power generation and monitoring system performance.

Alternative Models

1. INA210AIDCKTG4: Similar to the INA214AIDCKTG4, but with a lower gain error of ±0.1%.
2. INA216AIDCKTG4: A higher precision alternative with a gain error of ±0.05%.
3. INA213AIDCKTG4: Offers bidirectional current sensing with a wider bandwidth of 500kHz.

These alternative models provide options with varying levels of precision and performance to suit different application requirements.

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