INA212AQDCKRQ1

Product Overview

Category

The INA212AQDCKRQ1 belongs to the category of integrated circuit (IC) amplifiers.

Use

This product is primarily used for precision current sensing in automotive applications.

Characteristics

• High accuracy and precision
• Wide input voltage range
• Low offset voltage and drift
• High common-mode rejection ratio (CMRR)
• Low quiescent current

Package

The INA212AQDCKRQ1 is available in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the INA212AQDCKRQ1 lies in its ability to accurately measure current in automotive systems, ensuring reliable and efficient operation.

Packaging/Quantity

This product is typically sold in reels, with 3000 units per reel.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.1V to V+ + 0.1V
• Quiescent Current: 60µA (typical)
• Gain Bandwidth Product: 500kHz (typical)
• Offset Voltage: 100µV (maximum)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The INA212AQDCKRQ1 has the following pin configuration:

1. V+
2. IN-
3. IN+
4. GND
5. OUT

Functional Features

• High-precision current sensing
• Differential input voltage range
• Rail-to-rail output swing
• Overvoltage and reverse polarity protection
• EMI filtering

Advantages and Disadvantages

Advantages

• High accuracy and precision enable precise current measurements
• Wide input voltage range allows for versatile application
• Low offset voltage and drift ensure minimal measurement errors
• High CMRR reduces common-mode noise interference
• Low quiescent current minimizes power consumption

Disadvantages

• Limited gain bandwidth product may restrict high-frequency applications
• SOT-23 package may not be suitable for all mounting options

Working Principles

The INA212AQDCKRQ1 operates based on the principle of amplifying the voltage difference across a shunt resistor to accurately measure current. It utilizes a precision operational amplifier to amplify the small voltage drop across the shunt resistor, providing an output proportional to the sensed current.

Detailed Application Field Plans

The INA212AQDCKRQ1 finds extensive application in automotive systems, including:

1. Battery management systems
2. Motor control units
3. Power distribution modules
4. Electric vehicle charging systems
5. Overcurrent protection circuits

Detailed and Complete Alternative Models

1. INA213AQDCKRQ1
2. INA214AQDCKRQ1
3. INA215AQDCKRQ1
4. INA216AQDCKRQ1
5. INA217AQDCKRQ1

These alternative models offer similar functionality and performance characteristics, providing flexibility in choosing the most suitable option for specific applications.

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