Texas Instruments

INA281A4IDBVT  

OP Amps, Buffer Amps ICs

INA281A4IDBVT Description

The INA281A4IDBVT is a high-performance, low-power current sense amplifier designed for a wide range of industrial and consumer applications. Manufactured by Texas Instruments, this device is part of the INA281 family and is optimized for precision current sensing in compact designs. The INA281A4IDBVT features a wide supply voltage range from 2.7 V to 20 V, making it suitable for various power supply environments. Its low input bias current of 20 µA and low input offset voltage of 30 µV ensure high accuracy in current sensing applications. The device is packaged in a surface-mount SOT23-5 format, which is ideal for space-constrained designs.

INA281A4IDBVT Features

• Wide Supply Voltage Range: The INA281A4IDBVT operates over a supply voltage range of 2.7 V to 20 V, providing flexibility in power supply options.
• Low Power Consumption: With a supply current of only 1.5 mA, this amplifier is highly efficient, making it suitable for battery-powered and low-power applications.
• High Slew Rate: The 2.5 V/µs slew rate ensures fast response times, which is critical for applications requiring rapid signal processing.
• Gain Bandwidth Product: The 900 kHz gain bandwidth product allows for high-frequency operation, enhancing the performance in dynamic current sensing applications.
• Precision Sensing: The low input bias current of 20 µA and low input offset voltage of 30 µV contribute to high-precision current sensing, minimizing errors in measurements.
• Surface-Mount Packaging: The SOT23-5 package is compact and suitable for surface-mount technology, facilitating integration into small form-factor designs.
• Compliance and Reliability: The INA281A4IDBVT is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance. The moisture sensitivity level (MSL) of 1 (unlimited) ensures robustness in various environmental conditions.

INA281A4IDBVT Applications

The INA281A4IDBVT is ideal for applications requiring precise current sensing and monitoring. Some specific use cases include:

• Power Management: Ideal for monitoring current in power supplies, battery management systems, and motor control applications.
• Industrial Automation: Used in industrial control systems for precise current monitoring in motor drives and power converters.
• Consumer Electronics: Suitable for portable devices, where accurate current sensing is required for battery health monitoring and power management.
• Automotive: Applicable in automotive systems for monitoring current in various electronic components, ensuring reliable operation and safety.
• Medical Devices: Used in medical equipment for precise current sensing in critical applications, ensuring accurate and reliable performance.

Conclusion of INA281A4IDBVT

The INA281A4IDBVT from Texas Instruments is a versatile and high-performance current sense amplifier that offers a combination of wide supply voltage range, low power consumption, and high precision. Its compact SOT23-5 package and surface-mount compatibility make it suitable for a wide range of applications, from consumer electronics to industrial automation. The device's compliance with environmental and regulatory standards ensures long-term reliability and sustainability. Whether used in power management, industrial control, or medical devices, the INA281A4IDBVT provides a reliable and efficient solution for precise current sensing.

INA281A4IDBVT Documents

Download datasheets and manufacturer documentation for INA281A4IDBVT

PCN Assembly/Origin :

Additional Assembly sites 21/Sep/2021      

Datasheets :

INA281