INA199C3RSWR

Product Overview

Category

The INA199C3RSWR belongs to the category of integrated circuits (ICs) specifically designed for current sensing applications.

Use

This product is primarily used for accurate current measurement in various electronic systems and devices.

Characteristics

• High accuracy: The INA199C3RSWR offers precise current sensing capabilities, ensuring reliable measurements.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low offset voltage: The low offset voltage minimizes errors in current measurements.
• High common-mode rejection ratio (CMRR): This feature allows the IC to reject common-mode noise, enhancing measurement accuracy.
• Low power consumption: The INA199C3RSWR operates efficiently with low power requirements.

Package

The INA199C3RSWR is available in a small outline package (SOT-23), which is compact and easy to integrate into circuit designs.

Essence

The essence of the INA199C3RSWR lies in its ability to accurately measure current in electronic systems, enabling precise monitoring and control.

Packaging/Quantity

This product is typically packaged in reels, containing a specific quantity of ICs per reel. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply voltage: 2.7V to 5.5V
• Input common-mode voltage range: -0.2V to +26V
• Output voltage swing: 0V to Vsupply - 0.1V
• Bandwidth: 500kHz
• Quiescent current: 60µA (typical)
• Gain error: ±0.5% (maximum)

Detailed Pin Configuration

The INA199C3RSWR has the following pin configuration:

1. V+ (Positive supply voltage)
2. V- (Negative supply voltage)
3. OUT (Output voltage)
4. REF (Reference voltage)
5. IN+ (Positive input terminal)
6. IN- (Negative input terminal)

Functional Features

• High accuracy current sensing
• Wide input voltage range
• Low offset voltage for precise measurements
• High common-mode rejection ratio (CMRR) for noise rejection
• Low power consumption for energy efficiency

Advantages and Disadvantages

Advantages

• Accurate current measurement
• Wide input voltage range allows for versatile applications
• Low offset voltage minimizes measurement errors
• High CMRR enhances measurement accuracy
• Low power consumption for efficient operation

Disadvantages

• Limited bandwidth compared to some specialized current sensing ICs
• May require additional external components for specific applications

Working Principles

The INA199C3RSWR utilizes a differential amplifier configuration to measure current. It amplifies the voltage difference between the IN+ and IN- terminals, which is proportional to the current flowing through the sense resistor. The amplified voltage is then outputted as a scaled representation of the sensed current.

Detailed Application Field Plans

The INA199C3RSWR finds applications in various fields, including:

1. Power management systems: Enables accurate current monitoring in power supplies, battery chargers, and DC-DC converters.
2. Motor control: Facilitates precise current sensing in motor drives, ensuring optimal performance and protection.
3. Industrial automation: Allows for accurate current measurements in industrial equipment, such as robotics and process control systems.
4. Automotive electronics: Provides reliable current sensing in automotive applications, including electric vehicles and engine control units.

Detailed and Complete Alternative Models

1. INA199A3RSWR: Similar to the INA199C3RSWR but with slightly different specifications.
2. INA199B3RSWR: Another variant of the INA199 series with specific characteristics suited for certain applications.
3. INA210A3RSWR: A higher precision current sensing IC with enhanced features and performance.

Note: The above alternative models are just a few examples, and there are several other alternatives available in the market.

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