Texas Instruments

INA191A4IYFDR  

OP Amps, Buffer Amps ICs

INA191A4IYFDR Description

The INA191A4IYFDR is a high-performance current sense amplifier designed by Texas Instruments, a leading manufacturer in the electronics industry. This IC is part of the Linear Amplifiers category and is specifically tailored for applications requiring precise current monitoring and control. The INA191A4IYFDR features a wide supply voltage range, from a minimum of 1.7 V to a maximum of 5.5 V, making it suitable for a variety of power supply environments. It operates with a supply current of 43 mA, ensuring efficient power usage.

INA191A4IYFDR Features

The INA191A4IYFDR boasts several key technical specifications that set it apart from similar models. It has a gain bandwidth product of 33 kHz, which ensures stable performance across a wide frequency range. The amplifier's slew rate of 0.3 V/µs allows for rapid response to input signal changes, crucial for dynamic current sensing applications. Additionally, the INA191A4IYFDR features an extremely low input bias current of 100 pA and an input offset voltage of 2.5 µV, which minimizes errors and enhances accuracy in current measurement.

This current sense amplifier is packaged in a Tape & Reel (TR) format, facilitating surface mount technology (SMT) assembly processes. It is also RoHS3 compliant and REACH unaffected, ensuring environmental sustainability and regulatory compliance. The moisture sensitivity level (MSL) of 1 (Unlimited) makes it suitable for various manufacturing conditions without the risk of moisture-related damage.

INA191A4IYFDR Applications

The INA191A4IYFDR is ideal for applications where precise current sensing is essential. Its wide supply voltage range and low power consumption make it suitable for battery-operated devices, power management systems, and motor control applications. The high accuracy and low offset voltage are particularly beneficial in applications such as LED drivers, where precise current control is necessary for consistent brightness and longevity.

In industrial settings, the INA191A4IYFDR can be used for monitoring and controlling the current in power supplies, ensuring reliable operation and protection against overcurrent conditions. Its compact size and surface mount package make it easy to integrate into space-constrained designs, such as in automotive electronics and consumer electronics.

Conclusion of INA191A4IYFDR

The INA191A4IYFDR 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 power consumption, and high accuracy make it suitable for a wide range of applications, from consumer electronics to industrial systems. The RoHS3 compliance and REACH unaffected status ensure that it meets the highest environmental and regulatory standards. With its robust design and surface mount packaging, the INA191A4IYFDR is an excellent choice for engineers looking to integrate reliable and precise current sensing into their designs.

INA191A4IYFDR Documents

Download datasheets and manufacturer documentation for INA191A4IYFDR

Datasheets :

INA191      

PCN Packaging :

INA191AxIYFDR 18/Sep/2019      

HTML Datasheet :

INA191      

PCN Design/Specification :

INAx191 19/Aug/2021