**LT1999IMS8-20#TRPBF: A Precision 20V Input Range Difference Amplifier**

In the realm of precision analog signal processing, accurately measuring small differential signals riding on high common-mode voltages remains a significant challenge. The **LT1999IMS8-20#TRPBF**, a high-performance difference amplifier from Analog Devices, is engineered specifically to overcome this hurdle, offering exceptional accuracy and robustness in demanding applications.

This integrated circuit is designed to amplify the voltage difference between two input signals while **rejecting the common-mode voltage** shared by them. Its standout feature is its **wide input voltage range of ±20V**, which allows it to handle large common-mode signals without saturation or damage. This makes it an ideal solution for applications such as industrial current sensing, power supply monitoring, and automotive systems where high-voltage rails are commonplace.

The LT1999 achieves remarkable precision through its **laser-trimmed internal resistors**, which ensure a high common-mode rejection ratio (CMRR) of 90dB (min) and a gain accuracy of ±0.04%. This meticulous factory trimming eliminates the errors typically associated with discrete resistor-based difference amplifier solutions, providing dependable performance right out of the box. Furthermore, the device operates over a wide supply range, from ±2.5V to ±18V, adding to its design flexibility.

Housed in an MSOP-8 package, the LT1999IMS8-20#TRPBF is built for **rugged industrial environments**. Its ability to withstand input voltages up to ±60V, even when powered off, offers an added layer of protection against real-world voltage transients and faults. This robustness, combined with its low 80µV input offset voltage, ensures reliable and precise measurements in the presence of electrical noise.

In summary, the LT1999IMS8-20#TRPBF sets a high standard for precision difference amplifiers, delivering unmatched accuracy, reliability, and ease of use for high-voltage differential sensing.

**ICGOODFIND:** The LT1999IMS8-20#TRPBF is a top-tier solution for high-voltage differential measurement, offering exceptional CMRR, gain accuracy, and robust protection for industrial and automotive designs.

**Keywords:** Difference Amplifier, High Common-Mode Voltage, Precision Measurement, Current Sensing, CMRR.