LT1787HVCS8#TRPBF - High Voltage, High Side Current Sense Amplifier

The LT1787HVCS8#TRPBF is a precision, high side current sense amplifier designed by Linear Technology to monitor current flow in power supply and motor control applications. This device is capable of measuring small differential voltages across a shunt resistor in the presence of high common mode voltages with excellent accuracy and speed. The high voltage capability allows it to function in systems with common mode voltages up to 100V, making it suitable for a wide range of applications including automotive, industrial, and telecommunication systems.

Featuring a minimum input offset voltage of just 500 µV, the LT1787HVCS8#TRPBF can accurately detect small levels of current. This sensitivity, combined with a typical gain error of only ±1.5%, ensures precise current measurement. The device also boasts a fast response time, which is critical in applications requiring real-time monitoring and control.

The LT1787HVCS8#TRPBF operates from a single 4V to 60V supply and draws a minimal supply current, typically only 85 µA. This low power consumption is ideal for battery-operated systems where power efficiency is crucial. Additionally, the device comes in an 8-lead SO package, which is both compact and offers excellent thermal performance.

The amplifier's inputs are protected against transients that can occur in rugged environments, with the ability to withstand reverse battery conditions, overcurrent conditions, and positive transients up to 44V. Its robust design ensures reliable performance in harsh conditions, making it a reliable choice for demanding applications.

With its combination of high accuracy, wide input voltage range, low power consumption, and robust protection features, the LT1787HVCS8#TRPBF from Linear Technology is an optimal solution for high side current sensing in both simple and complex electronic systems. Whether it's for power management or for protective measures, this current sense amplifier is engineered to provide precise current measurement and enhance system reliability.

Key Features:

• Wide Supply Range: 4V to 60V
• High Common Mode Voltage Range: Up to 100V
• Low Offset Voltage: 500 µV
• Low Gain Error: ±1.5%
• Low Supply Current: 85 µA
• Fast Response Time
• Robust Input Protection
• Compact 8-Lead SO Package