INA250A4QPWRQ1

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The INA250A4QPWRQ1 is a high-performance, low-power, rail-to-rail instrumentation amplifier. It features a wide gain range of 0.5 to 250 V/V and a low noise of 1mVrms (max). The device also features an adjustable input offset voltage, common-mode rejection ratio (CMRR) up to 130dB (at ±2.5V), and a single-supply operating range from 2.5V to 5.5V.

The INA250A4QPWRQ1 is used in a variety of applications including medical, industrial and consumer applications. Its wide gain range and low noise make it ideal for applications such as strain gauges, pH sensors, and sensors. It is also suitable for use in data acquisition systems, instrumentation and control systems, and as an active filter.

Working Principle

The INA250A4QPWRQ1 combines an input amplifier with a low-noise, rail-to-rail output stage to deliver high-performance at low power. The device can be used in either single-ended or differential input configurations. In single-ended mode, the amplifier has a single input and the output is generated by subtracting the input from a voltage divider connected to a reference voltage.

In differential mode, the amplifier has two input pins (IN+ and IN-) and the output is generated by subtracting the differential input from a voltage divider connected to a reference voltage. In both single-ended and differential modes, the output voltage is proportional to the difference between the input voltage and the reference voltage.

The gain of the amplifier is adjustable by changing the reference voltage or by changing the resistor values of the voltage divider. The INA250A4QPWRQ1 can also be configured to provide an offset adjust feature by changing the resistor values of the voltage divider. The rail-to-rail output stage provides a wide dynamic range, allowing the INA250A4QPWRQ1 to accurately amplify small or large signals.

The INA250A4QPWRQ1 offers exceptional performance and features low power consumption, wide gain range flexibility, low noise, adjustable offset and high CMRR for demanding applications. Its wide gain range and low power consumption make it ideal for use in battery-powered systems. The adjustable input offset voltage and high CMRR make it an ideal choice for precision sensor and instrumentation applications.

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