LT1469IS8#PBF

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The LT1469IS8#PBF is a monolithic instrumentation amplifier from Linear Technology’s OP Amps, Buffer Amps that offers excellent gain accuracy and low distortion performance. It is optimized for entry-level medical applications.

It features a gain of 4, a gain accuracy of ≤ 0.5%, and a high common-mode rejection ratio (CMRR) of 82dB. The LT1469IS8#PBF is also designed for excellent temperature performance with a high-gain temperature coefficient of 0.2%/°C. This amplifier is powered by a single supply and can operate over a wide range of voltages, from 1.8V to 32V.

This linear amplifier is ideal for use in medical tools, such as electrocardiographs, ultrasonic scanners, and low-noise amplifiers. The LT1469IS8#PBF can also be used in other instrumentation applications such as level detection, bridge amplifiers, and distance measurements.

The LT1469IS8#PBF consists of three amplifying stages: an input buffer, a gain stage, and an output stage. The input buffer provides total isolation between the input and the gain stage, which helps ensure accurate, low distortion performance. The gain stage provides the desired gain and provides excellent CMRR. The output stage is a low distortion, low offset voltage buffer which provides a high output impedance and high common-mode voltage.

The LT1469IS8#PBF can be operated in either single-ended or differential modes, allowing for both unipolar and bipolar output signals. In single-ended mode, the amplifier can be used for voltage and current measurements. In differential mode, the amplifier provides both a sum and a difference output, allowing for measurements of absolute value and difference between two input signals. It also features current sources on the input and output to reduce noise.

The LT1469IS8#PBF can be used in many applications, such as ECG signal conditioning, patient monitoring, and medical instrumentation. It is also suitable for low-noise preamplifier designs, battery-powered medical devices, and a variety of DC and AC signal conditioning functions. The LT1469IS8#PBF is a versatile and reliable instrumentation amplifier well-suited for use in medical and laboratory instrumentation.

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