ADA4939-1YCPZ-R7

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ADA4939-1YCPZ-R7 is a low distortion, high speed, low noise operational amplifier, part of the wide range of instrumentation amplifiers powered by Linear Technology, ideal for many industrial, communications, consumer and medical applications. It is provided in a surface-mount MSOP-8 package, offering the highest level of performance in a very small package.

Application Field and Working Principle

ADA4939-1YCPZ-R7 is suitable for instrumentation, buffering, and general signal conditioning applications, with low distortion and high common-mode rejection. This amplifier has a wide signal bandwidth and three-stage gain architecture for excellent fidelity, low noise, and high power supply rejection. It also has a large common-mode rejection ratio, which is better than 80 dB at 10 kHz with a dual supply of ±15 V. It is suitable for precision AC measurements, medical imaging, and various other industrial applications, such as oil and gas, automotive, and aerospace.

The ADA4939-1YCPZ-R7 is designed to reduce the distortion, common-mode rejection, and noise generated by other operational amplifiers. The amplifier uses a three-stage gain architecture to reduce the chances of op amp-generated intermodulation distortion. By introducing a third stage, it further reduces distortion and provides a larger common-mode voltage range. This amplifier offers excellent performance in the differential input range of ±1000 mV, providing a low distortion performance at a frequency up to 1 MHz.

Another remarkable feature of ADA4939-1YCPZ-R7 is its high common-mode rejection. It has a large rejection ratio of more than 80 dB at 10 kHz with a dual supply of ±15 V, making it well suited for precision AC measurements. It can also be used for applications that require precision and low distortion in a small package, such as medical imaging, oil and gas, automotive, and aerospace. Furthermore, it can provide high dynamic ranges, high accuracy and low power consumption, making it a reliable and cost-effective amplifier.

The operating voltage of the ADA4939-1YCPZ-R7 is between ±4 V and ±15 V with a low input offset voltage of 10 μV max and a low input bias current of 1 pA max. It also has a high open loop gain of 100 dB with a high common-mode rejection ratio of 90 dB. The amplifier has a low power consumption of 0.7 mA max and a high slew rate of 40 V/μs, making it very suitable for wideband applications.

The ADA4939-1YCPZ-R7 is a versatile amplifier that offers excellent performance for a variety of applications. It has a wide signal bandwidth and a three-stage gain architecture for excellent fidelity, low noise, and high power supply rejection. It has a low power consumption and a small footprint, making it ideal for many industrial, communications, consumer, and medical applications. It also has a high common-mode rejection ratio, making it suitable for precision AC measurements, medical imaging, and various other industrial applications.

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