Texas Instruments

INA191A3IYFDR

INA191A3IYFDR Description

The INA191A3IYFDR is a high-performance current sense amplifier from Texas Instruments, designed for precision current measurement in a wide range of applications. This device is part of the Linear Amplifiers(ICs) category and is packaged in a 6DSBGA format, making it ideal for surface mount applications. The INA191A3IYFDR is known for its robust performance and reliability, with a supply voltage range of 1.7 V to 5.5 V, making it suitable for both low-power and higher voltage systems.

INA191A3IYFDR Features

• Wide Supply Voltage Range: The INA191A3IYFDR operates over a supply voltage range from 1.7 V to 5.5 V, providing flexibility for various power supply configurations.
• Low Supply Current: With a supply current of only 43µA, this amplifier is highly efficient, making it suitable for battery-powered and energy-conscious designs.
• High Gain Bandwidth Product: A gain bandwidth product of 37 kHz ensures accurate and stable current sensing across a broad frequency range.
• Low Input Bias Current: The input bias current is as low as 100 pA, minimizing the impact on the circuit being measured and ensuring high accuracy.
• Low Input Offset Voltage: An input offset voltage of 2.5 µV further enhances the precision of current measurements.
• Surface Mount Compatibility: The surface mount package type allows for easy integration into compact and high-density PCB designs.
• Compliance and Safety: The INA191A3IYFDR is REACH unaffected and ROHS3 compliant, ensuring it meets the latest environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), this device is suitable for a wide range of environmental conditions without the need for special handling.

INA191A3IYFDR Applications

The INA191A3IYFDR is ideal for applications requiring precise current monitoring and control. Its wide supply voltage range and low power consumption make it suitable for both low-power and higher voltage systems. Specific use cases include:

• Power Management: Ideal for monitoring current in power supplies, battery management systems, and other power-sensitive applications.
• Industrial Control: Accurate current sensing in motor control, industrial automation, and process control systems.
• Consumer Electronics: Precision current measurement in devices such as smartphones, tablets, and other portable electronics.
• Automotive Electronics: Reliable current sensing in automotive systems, including battery monitoring, motor control, and electronic control units (ECUs).

Conclusion of INA191A3IYFDR

The INA191A3IYFDR from Texas Instruments is a versatile and high-performance current sense amplifier that offers significant advantages over similar models. Its wide supply voltage range, low supply current, and high gain bandwidth product make it suitable for a variety of applications, from low-power consumer devices to high-reliability industrial systems. The low input bias current and input offset voltage ensure precise current measurements, while its surface mount package and compliance with environmental standards make it easy to integrate into modern designs. Whether for power management, industrial control, or consumer electronics, the INA191A3IYFDR stands out as a reliable and efficient solution for current sensing needs.