LT1801CMS8#PBF

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The LT1801CMS8#PBF is a high-performance, high-speed, low-power instrumentation amplifier providing excellent input common-mode rejection and precision offset adjustment. It can be used in a wide range of applications, including laboratory instruments, process control systems, and medical equipment. The LT1801CMS8#PBF is an ideal option for application designs where low supply current and excellent resolution are necessary.

Application Field:

The LT1801CMS8#PBF is suitable for use in various instrumentation applications. It offers low input offset voltage, low noise, high common-mode rejection, excellent input common-mode stability, and low input bias current. These features make it suitable for use in process control systems where precise measurements of voltage or current are essential. It is also suitable for medical applications such as pulse oximeter or cardiac monitoring. Additionally, its low power consumption, small size, and high speed make it an excellent choice for use in handheld scanners.

Working Principle:

The LT1801CMS8#PBF operates on the principle of difference-amplifier with six simple sections: a non-inverting amplifier, an inverting amplifier, an input common-mode capacitor, a resistor, a compensation capacitor and an offset null circuit. The non-inverting and inverting amplifiers together form a basic difference amplifier with a voltage gain of 8. The input common-mode capacitor sets the common-mode voltage at the inputs of both amplifiers. The resistor between the two amplifiers restricts the common-mode signal magnitude. The compensation capacitor bypasses noise and compensate for high frequency signals. Finally, the offset null circuit lets the user to adjust the amplifier\'s offset voltage to zero, if needed.

The LT1801CMS8#PBF delivers a wide variety of features that make it ideally suited for use in many different instrumentation applications. Its low power, wide bandwidth, and excellent common-mode rejection make it a suitable option for use in instrumentation systems.

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