OPA251UA

Voltage - Input Offset:	50µV
Base Part Number:	OPA251
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	2.7 V ~ 36 V, ±1.35 V ~ 18 V
Current - Output / Channel:	21mA
Current - Supply:	27µA
Series:	--
Current - Input Bias:	4nA
Gain Bandwidth Product:	35kHz
Slew Rate:	0.01 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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, OPA251UA Application Field and Working PrincipleThe OPA251UA is a versatile instrumentation amplifier that is used in a wide variety of applications. It is an ideal choice for industrial process measurements, data acquisition, and transducer/sensor interface circuits.The OPA251UA is a low-noise, low-power, and low-drift instrumentation amplifier featuring a wide common-mode input voltage range and rail-to-rail output stage. It operates from a single +2.7V to +18V supply and has an output stage capable of driving up to 1.5A of load current.The OPA251UA has been designed with a wide variety of features that make it well-suited for a variety of instrumentation applications. It features low input bias currents, low offset voltage, low noise, and low power consumption. The OPA251UA also employs a high accuracy 180μA current source that is used to circuits in order to regulate current sources.The OPA251UA is a true differential amplifier with independent inputs, which allows it to obtain accurate results when measuring differential signals. The amplifier has an offset voltage null capability that allows for adjustment of the input stage for extremely precise measurements. The amplifier also has a low noise figure and high slew rate, allowing for a wider range of measurements.The working principle of the OPA251UA is based on its internal topology comprising of two pairs of matched NPN transistors, a current mirror, and a precision 180μA current source.The OPA251UA has two input terminals, one for differential input signals, and one for the common-mode signal. The differential inputs range from the negative supply voltage to the positive supply voltage.The 180μA current source mirrors the current supplied by the input, and this current is mirrored onto the output stage. The mirrored current is then amplified, and the amplified current is outputted at the amplifier\'s output terminals.The OPA251UA has a slew rate of 1kHz and a wide common-mode voltage range of -14V to +14V. With these features, the OPA251UA is capable of driving transducer loads and performing a wide range of low noise instrumentation measurements.The OPA251UA has a wide range of applications in the field of industrial process measurements, data acquisition, and transducer/sensor interface circuits. It can be used to accurately monitor and measure the data output from sensors and transducers, as well as measure and process differential signals. The OPA251UA is also a suitable amplifier for measuring the output of transducers and sensors operating in precision, industrial process measurements.The OPA251UA is a robust and reliable amplifier that is ideal for a variety of instrumentation applications. Its high accuracy, low noise, low power, and rail-to-rail output stage make it an excellent choice for industrial process measurements, data acquisition, and transducer/sensor interface circuits. The OPA251UA\'s positive attributes make it an ideal choice for a wide variety of low noise, high precision, and low power instrumentation applications.

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