MAX4285ESA-T

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The MAX4285ESA-T is part of Maxim Integrated\'s MAX4285 family of Quad, low power, rail-to-rail inputs and outputs Instrumentation amplifiers. This device is designed for low-power, single-supply operation, and can provide low-offset, low-drift, and low-noise performances. It is primarily used in applications such as Analog-to-Digital converters, multi-channel data acquisition systems, portable test and measurement equipment, transducer signal conditioning and other similar applications.

The MAX4285ESA-T has four separate amplifiers, each has rail-to-rail input and output stages, allowing operation from the traditional single-supply range of 3V to 15V. It features low power, low offset voltage and low operating current. The offset and drift is temperature-compensated, providing stability and accuracy in any temperature environment. It also has low input bias currents and low input capacitance for use with very small signals.

The MAX4285ESA-T\'s small 8-pin TDFN package makes it ideal for compact designs. The device can operate up to a maximum input signal of ±25V, making it suitable for a wide input signal range. The device includes four buffered output stages, enabling a buffer connection to a signal source.

The MAX4285ESA-T features an input architecture that ensures rail-to-rail operation and accuracy of the gain stage up to the differential input stage, while limiting the amount of current flowing through and out of the device to 5mAσ. The device also utilizes a low-power CMOS process with a single supply voltage of 3V to 15V to reduce power consumption. This also ensures low-noise and low-drift operation with wide bandwidths.

The four separate amplifiers can be individually selected to operate in either inverted or non-inverted output mode. The device also includes a gain adjustment and offset trimmer to enable precision calibration of each amplifier. This enables user to easily fine-tune the gains and offset values of each amplifier to achieve the desired results.

In addition, the MAX4285ESA-T is designed to minimize AC errors and the effect of power-supply noise. The device also provides excellent common-mode rejection over a wide range of frequencies and provides wide gain-bandwidth without compromising common-mode rejection.

Overall, the MAX4285ESA-T is an ideal device for low-power, single-supply, low-drift and low-noise Instrumentation amplifiers. It is versatile and offers excellent performance, making it ideal for a wide range of applications.

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