The LT1787IS8 is a precision, high side current sense amplifier designed by Linear Technology, now part of Analog Devices. This robust device is encapsulated in an 8-lead SO package, making it suitable for space-constrained applications. The LT1787IS8 is engineered to monitor current via the voltage drop across a shunt resistor placed in the high side of a circuit, enabling the measurement of load current without interrupting the ground path.

Key Features

• Wide Input Common Mode Range: The device operates effectively with common mode voltages ranging from 4V up to 60V, making it versatile for various applications including automotive and industrial systems.
• Precision Current Sensing: The LT1787IS8 offers a typical input offset voltage of just 500µV, which allows for accurate current measurement, even at low current levels.
• Low Current Consumption: It has a quiescent current of only 85µA, which is beneficial for power-sensitive applications.
• Adjustable Gain: An external resistor sets the gain, providing flexibility for different current sensing ranges.
• High Accuracy: With a gain error of only 0.3% at room temperature, the LT1787IS8 ensures high precision in current sensing operations.

Applications

• Automotive Battery Monitoring
• Portable Device Power Management
• Telecommunication Infrastructure
• Datacom Systems
• Power Management in PCs and Servers

The LT1787IS8 is designed to offer a reliable and efficient solution for current sensing applications across a wide range of industries. Its ability to function at high voltages while maintaining precision and low power consumption makes it an ideal choice for designers looking to enhance system reliability and performance.

For detailed specifications, application circuits, and additional information, designers and engineers are encouraged to consult the official datasheet and technical documentation provided by Linear Technology/Analog Devices.