INA216A3RSWT

Product Overview

Category

The INA216A3RSWT 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 INA216A3RSWT offers precise current measurement with low offset and gain error.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low power consumption: This IC amplifier consumes minimal power, ensuring energy efficiency.
• Small package size: The INA216A3RSWT comes in a compact package, enabling space-saving designs.
• High common-mode rejection ratio (CMRR): It provides excellent rejection of common-mode noise, enhancing signal integrity.

Package and Quantity

The INA216A3RSWT is available in a small outline transistor (SOT) package. It is typically sold in reels containing a specific quantity, such as 2500 units per reel.

Specifications

• Supply voltage: 2.7V to 5.5V
• Input common-mode voltage range: -0.1V to Vcc + 0.1V
• Operating temperature range: -40°C to 125°C
• Gain error: ±0.25%
• Offset voltage: ±100µV
• Bandwidth: 200kHz
• Quiescent current: 60µA

Pin Configuration

The INA216A3RSWT has the following pin configuration:

```

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

Functional Features

• Current sensing: The INA216A3RSWT accurately measures current flowing through a load.
• Voltage output: It provides a voltage output proportional to the sensed current.
• High precision: The IC amplifier offers precise measurements with low errors.
• Common-mode rejection: It effectively rejects common-mode noise, ensuring accurate current sensing in noisy environments.
• Low power consumption: The INA216A3RSWT minimizes power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• High accuracy and precision
• Wide input voltage range
• Small package size
• Low power consumption
• Excellent common-mode rejection

Disadvantages

• Limited bandwidth compared to some other amplifiers
• Higher cost compared to less accurate alternatives

Working Principles

The INA216A3RSWT operates based on the principle of current shunt measurement. It utilizes a precision resistor connected in series with the load to sense the current passing through it. The voltage drop across this resistor is amplified by the IC amplifier and converted into a proportional output voltage. This voltage can then be further processed or monitored as required.

Detailed Application Field Plans

The INA216A3RSWT finds applications in various fields, including:

1. Power management systems: It enables accurate current monitoring in power supplies, DC-DC converters, and battery charging circuits.
2. Motor control: The IC amplifier facilitates precise current sensing in motor control systems, ensuring efficient operation and protection against overloads.
3. Industrial automation: It is used in industrial equipment for current monitoring and control, enhancing safety and efficiency.
4. Automotive electronics: The INA216A3RSWT is employed in automotive systems such as electric vehicle powertrains, battery management systems, and electronic control units (ECUs) for current measurement and protection.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the INA216A3RSWT are:

1. INA219: This IC amplifier provides high-precision current and voltage measurements with an integrated shunt resistor.
2. ACS712: It is a Hall-effect-based current sensor that offers accurate current sensing in various applications.
3. MAX4080: This precision current-sense amplifier provides high accuracy and wide input voltage range.

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

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