INA214AQDCKRQ1

Product Overview

Category

The INA214AQDCKRQ1 belongs to the category of integrated circuit (IC) amplifiers.

Use

This product is primarily used for current sensing and monitoring applications in various electronic systems.

Characteristics

• High accuracy: The INA214AQDCKRQ1 offers high precision current measurement with low offset voltage and low gain error.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low power consumption: The device operates at low power, ensuring energy efficiency.
• Small package size: The compact package allows for easy integration into space-constrained designs.
• Robustness: The INA214AQDCKRQ1 is designed to withstand harsh operating conditions, making it suitable for automotive and industrial applications.

Package and Quantity

The INA214AQDCKRQ1 is available in a small SOT-23 package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Supply voltage: 2.7V to 5.5V
• Input common-mode voltage range: -0.3V to Vcc + 0.3V
• Output voltage swing: Rail-to-rail
• Gain error: ±0.25%
• Offset voltage: ±50µV
• Bandwidth: 200kHz
• Quiescent current: 60µA

Pin Configuration

The INA214AQDCKRQ1 has the following pin configuration:

```

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

Functional Features

• Current sensing: The INA214AQDCKRQ1 accurately measures current flowing through a shunt resistor.
• Voltage output: It provides a voltage output proportional to the sensed current, allowing for easy interfacing with other components.
• High common-mode rejection ratio (CMRR): The device minimizes errors caused by common-mode voltage variations.
• Low input bias current: This ensures minimal impact on the measured circuit.

Advantages and Disadvantages

Advantages

• High accuracy and precision
• Wide input voltage range
• Low power consumption
• Compact package size
• Suitable for harsh environments

Disadvantages

• Limited bandwidth compared to some other amplifiers
• Requires an external shunt resistor for current sensing

Working Principles

The INA214AQDCKRQ1 operates based on the principle of measuring the voltage drop across a shunt resistor. By amplifying this voltage drop, it accurately determines the current flowing through the shunt resistor. The amplified voltage is then provided as an output signal.

Application Field Plans

The INA214AQDCKRQ1 finds applications in various fields, including:

1. Automotive systems:

   • Battery management systems
   • Motor control
   • Power distribution monitoring

2. Industrial equipment:

   • Power supplies
   • Robotics
   • Process control

3. Renewable energy systems:

   • Solar inverters
   • Wind turbine control

4. Consumer electronics:

   • Portable devices
   • Battery chargers

Alternative Models

Other alternative models that provide similar functionality to the INA214AQDCKRQ1 include:

• INA210
• INA213
• INA216
• INA219

These models offer different specifications and features, allowing users to choose the most suitable option for their specific application requirements.

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