The LMP8640MKE-F/NOPB is a high-performance, precision current sense amplifier from Texas Instruments, a renowned global semiconductor design and manufacturing company. This advanced device is specifically designed to accurately amplify small differential signals in the presence of large common-mode voltages. It is capable of sensing voltage drops across shunt resistors in a wide range of applications, making it a versatile and reliable component for various electronic systems.
The LMP8640MKE-F/NOPB operates over a wide temperature range, from -40°C to +125°C, ensuring reliable performance even in extreme conditions. It offers a gain of 20 V/V and has a common-mode voltage range from -20V to +80V, which is much larger than what is typically available in the market. This extensive common-mode voltage range is particularly useful in applications where the sense resistor is at a higher voltage than the amplifier's power supply.
One of the key features of the LMP8640MKE-F/NOPB is its high accuracy. It boasts of a maximum input offset voltage of 150 µV and a maximum gain error of 0.5%, ensuring precise measurement and amplification of differential signals. Furthermore, it has a high bandwidth of 270 kHz, allowing it to accurately amplify fast-changing signals.
The LMP8640MKE-F/NOPB is housed in a small, 6-pin TSOT package, making it suitable for space-constrained applications. It also has an extended operating temperature range, ensuring reliable operation in a wide variety of environments. Additionally, the device has a robust ESD protection, with a human body model (HBM) rating of 2 kV, making it resistant to electrostatic discharge damage.
This current sense amplifier is ideal for a variety of applications, including motor control, power management, battery chargers, and overcurrent protection circuits. With its high accuracy, wide common-mode voltage range, and robust design, the LMP8640MKE-F/NOPB from Texas Instruments is a reliable choice for any application that requires precise current sensing.