MAX4217EUA+T

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The MAX4217EUA+T is a low power, single-chip signal conditioning amplifier from Maxim Integrated offerring foldback protection, filters and signal conditioning for signal acquisition systems.

The MAX4217EUA+T is used in industrial and commercial process monitoring and control as well as in test and measurement applications such as automated test equipment and data acquisition systems. It amplifies, attenuates, and filters either single-ended or differential analog signals, and provides overload protection by limiting the output voltage. The device also provides highest-accuracy temperature compensation of the circuitry. This helps ensure consistent performance over the full temperature range.

The MAX4217EUA+T is a high-performance, differential-output, single-chip signal conditioning amplifier with an integrated temperature sensor. It is a low power, double-data-rate architecture which is capable of filtering and amplifying a wide range of signals such as current, voltage, temperature, pressure and force signals. The architecture enables low distortion and high stability, as well as offering a high-frequency bandwidth.

The MAX4217EUA+T provides a single-ended voltage output, as well as a differential output, with adjustable gain and offset settings. The differential output enables high precision signal interface with low common-mode voltage level shift and hence can drive A/D converters directly with high accuracy. The differential output also offers good noise immunity. The device offers a wide range of gains and features an internal low-pass filter. The filter removes high frequency noise to enable lower power consumption, longer battery life, and improved signal integrity. The device also features overload protection.

In terms of working principle, the MAX4217EUA+T amplifies and filters a range of single-ended or differential analog signals, with adjustable gain and offset settings, to allow for specific levels of signal conditioning. It is powered with a single supply voltage ranging from 2.3 to 5.5V. The device also has a 1V input voltage offset, which is compensated by the device, reducing the need for external components. It also supports multiple gain settings and choices.

The MAX4217EUA+T can filter signals from DC to 1MHz and has an adjustable high pass filter for reducing low frequency noise, as well as an adjustable low pass filter for removing unwanted high frequency noise. It can also drive up to 25mA of output current, which is useful for driving opto-isolators, LEDs, and other low-power peripheral devices. The device features an overload protection which limits the output voltage to safe levels to protect the input circuitry.

The MAX4217EUA+T also features temperature compensation, which helps ensure consistent performance over temperature range. This is achieved by applying a correction factor based on the temperature sensed by the on-chip temperature sensor. The device also has an output stage that is designed to provide improved power reprocessing with reduced quiescent current.

Overall, the MAX4217EUA+T is an ideal low power signal conditioning amplifier, suitable for industrial and commercial process monitoring and control, and for test and measurement applications such as automated test equipment and data acquisition systems.

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