LT1025CS8#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Thermocouple Conditioner
Input Type:	Voltage
Output Type:	Voltage
Interface:	--
Current - Supply:	150µA
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	LT1025

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Introduction to LT1025CS8#PBF Interface – Sensor and Detector Interfaces

The LT1025CS8#PBF is a high-performance, optically-isolated current sense amplifier. It is designed to measure current flowing through a high-side power switch or transformer primary. The LT1025CS8#PBF is available in a 8-pin surface mount, ceramic SOIC package and is RoHS compliant.

LT1025CS8#PBF Application Field and Working Principle

The LT1025CS8#PBF provides precision current sensing over a wide range of currents, from 25µA to 2.5A. The LT1025CS8#PBF can be used in a variety of applications, such as power supply monitoring, motor control, and power system protection. Its operating principle is based on the use of a specialized optically-isolated current sense amplifier. The LT1025CS8#PBF is designed to sense the current flowing through a power switch or transformer primary. An optically-isolated amplifier provides isolation between AC power lines and other signals. To ensure the accuracy and robustness of the current measurement, the LT1025CS8#PBF features an on-chip, low offset amplifier to minimize errors due to power supply fluctuations. The LT1025CS8#PBF features a wide input common mode range, allowing it to measure current in circuits with a high common mode voltage. This makes it ideal for systems with high input voltage levels, as the LT1025CS8#PBF can accurately measure current in these systems without any additional components. The LT1025CS8#PBF also features a low on-chip offset voltage, minimizing the errors due to power supply fluctuations. The LT1025CS8#PBF also provides excellent ripple rejection, allowing for the measurement of noisy power lines with minimal error. The LT1025CS8#PBF is designed to reject signals with frequencies up to 1MHz and can be used to measure DC pulses, transient events, and high-frequency noise.The device also features numerous protection and fault-handling features. These features include an adjustable minimum current detection trip point and over-current protection. The over-current protection allows the LT1025CS8#PBF to shut down the system if the sensed current exceeds a preset threshold. This prevents any damage to the system due to over-current conditions.

Conclusion

The LT1025CS8#PBF is an incredibly versatile optically-isolated current sense amplifier. Its wide range of features, including optically-isolation, low offset voltage, and over-current protection make it an ideal solution for a wide range of applications. The LT1025CS8#PBF is the perfect choice for measuring current in high voltage systems, as well as for handling high-frequency noise and transient events.

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