The LTC6103 is a precision, high side current sense amplifier designed for a wide range of applications including automotive, industrial, and telecommunications. With a wide input voltage range of 2.7V to 100V, this device allows for accurate measurement of current in high voltage systems. Its high common mode rejection ratio and low offset voltage make it suitable for demanding environments where precision is important. The LTC6103 features a high input impedance, low quiescent current, and a wide operating temperature range, making it an ideal choice for a variety of current sensing applications. It also offers a fixed gain of 20V/V, simplifying the design process and minimizing the need for external components. With its compact size and robust performance, the LTC6103 is an excellent choice for designers looking for a reliable current sense amplifier for their high voltage systems.