INA169NA/250G4

Product Overview

Category

The INA169NA/250G4 belongs to the category of integrated circuit (IC) amplifiers.

Use

This product is primarily used for current sensing and monitoring applications.

Characteristics

• High accuracy: The INA169NA/250G4 offers high precision in current measurement.
• Wide input voltage range: It can handle a wide range of input voltages, making it versatile for various applications.
• Low power consumption: This IC amplifier consumes minimal power during operation.
• Small package size: The compact package allows for easy integration into different electronic systems.

Package

The INA169NA/250G4 is available in a small outline package (SOP) format.

Essence

The essence of this product lies in its ability to accurately measure and monitor current in electronic circuits.

Packaging/Quantity

The INA169NA/250G4 is typically packaged in reels containing a quantity of 250 units.

Specifications

• Supply voltage: 2.7V to 5.5V
• Input common-mode voltage range: -0.3V to Vcc+0.3V
• Output voltage swing: 0V to Vcc
• Gain bandwidth product: 200kHz
• Quiescent current: 60µA
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The INA169NA/250G4 has the following pin configuration:

1. V+
2. V-
3. OUT
4. REF
5. SET
6. NC

Functional Features

• High gain accuracy: The INA169NA/250G4 provides precise gain control for accurate current measurements.
• Low offset voltage: This IC amplifier minimizes errors caused by offset voltage, ensuring reliable current sensing.
• Wide bandwidth: With a gain bandwidth product of 200kHz, it can handle fast-changing current signals.
• Adjustable gain: The gain of the amplifier can be adjusted using an external resistor.

Advantages and Disadvantages

Advantages

• High accuracy in current measurement
• Wide input voltage range
• Low power consumption
• Compact package size for easy integration

Disadvantages

• Limited to current sensing applications
• Requires external resistor for gain adjustment

Working Principles

The INA169NA/250G4 operates based on the principle of measuring the voltage drop across a shunt resistor. By amplifying this voltage drop, it accurately reflects the current flowing through the circuit. The gain of the amplifier can be adjusted using an external resistor connected to the SET pin.

Detailed Application Field Plans

The INA169NA/250G4 finds application in various fields, including:

1. Power management systems: It is used for monitoring and controlling current in power supply circuits.
2. Battery charging systems: The IC amplifier ensures accurate current measurement during battery charging processes.
3. Motor control: It enables precise current sensing in motor control circuits.
4. Solar energy systems: The INA169NA/250G4 helps monitor and optimize current flow in solar energy harvesting systems.

Detailed and Complete Alternative Models

1. INA169NA/250: Similar to the INA169NA/250G4 but without the SOP package.
2. INA169NA/250G3: A variant with lower quiescent current for even lower power consumption.
3. INA169NA/500: Offers higher gain bandwidth product for applications requiring wider frequency response.

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