Texas Instruments

INA281B3IDBVT  

OP Amps, Buffer Amps ICs

INA281B3IDBVT Description

The INA281B3IDBVT is a high-performance current sense amplifier from Texas Instruments, designed to provide precise and efficient current monitoring in a wide range of applications. This device is part of the Linear IC Chips category and is housed in a compact SOT23-5 package, making it ideal for space-constrained designs. The INA281B3IDBVT features a broad supply voltage range, from a minimum of 2.7 V to a maximum of 20 V, ensuring compatibility with various power supply systems. It also boasts a low supply current of 1.5 mA, which is crucial for energy-efficient designs.

INA281B3IDBVT Features

• Wide Supply Voltage Range: The INA281B3IDBVT operates within a supply voltage range of 2.7 V to 20 V, making it suitable for both low-voltage and high-voltage applications.
• Low Supply Current: With a supply current of only 1.5 mA, this amplifier is highly efficient, reducing power consumption and heat generation in the system.
• High Slew Rate: The 2.5 V/µs slew rate ensures fast response times, making it ideal for dynamic current monitoring applications.
• Gain Bandwidth Product: A gain bandwidth product of 1 MHz allows for accurate and stable signal amplification across a wide frequency range.
• Low Input Offset Voltage: The low input offset voltage of 30 µV ensures high accuracy in current measurement, minimizing errors in the monitoring process.
• Low Input Bias Current: The 20 µA input bias current helps maintain high precision, especially in high-impedance circuits.
• Surface Mount Packaging: The surface mount package type facilitates easy integration into modern PCB designs, enhancing reliability and reducing assembly costs.
• Compliance and Status: The INA281B3IDBVT is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and regulatory standards. It is also classified under ECCN EAR99 and HTSUS 8542.33.0001.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the device is highly resistant to moisture, making it suitable for a variety of environmental conditions.

INA281B3IDBVT Applications

The INA281B3IDBVT is versatile and can be used in a variety of applications where precise current monitoring is required. Some specific use cases include:

• Power Management Systems: Ideal for monitoring current in power supplies, battery management systems, and other power-related applications.
• Motor Control: Accurate current sensing is crucial for motor control applications to ensure efficient operation and prevent overloading.
• Industrial Automation: Used in industrial control systems to monitor current in various machinery and equipment.
• Consumer Electronics: Suitable for applications such as smartphones, laptops, and other portable devices where power efficiency and space constraints are critical.
• Automotive Systems: Can be employed in automotive electronics for monitoring current in various subsystems, ensuring reliable operation and safety.

Conclusion of INA281B3IDBVT

The INA281B3IDBVT from Texas Instruments is a robust and efficient current sense amplifier that offers a combination of high performance and low power consumption. Its wide supply voltage range, low supply current, and high slew rate make it suitable for a variety of applications, from power management to industrial automation. The device's compact SOT23-5 package and surface mount type ensure easy integration into modern PCB designs, while its compliance with environmental and regulatory standards ensures it meets the latest industry requirements. The INA281B3IDBVT is an excellent choice for engineers and designers looking for a reliable and precise current sensing solution.

INA281B3IDBVT Documents

Download datasheets and manufacturer documentation for INA281B3IDBVT

PCN Assembly/Origin :

Additional Assembly sites 21/Sep/2021      

Datasheets :

INA281