OPA2137UA/2K5

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The OPA2137UA/2K5 is a high-precision, low-noise, low-distortion and low-power consumption quad operational amplifier. Generally, it is classified under Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps. This article will provide an overview of OPA2137UA/2K5’s application fields, working principles and other features.

The OPA2137UA/2K5 features excellent performance in both low-voltage and high-voltage operation mode. It is particularly suitable for audio and high-frequency applications, such as microphone pre-amplifier, line pre-amplifier, headphone driver, etc. The low noise and distortion characteristics make it an ideal choice for audio-critical applications.

Moreover, the OPA2137UA/2K5 can be widely used in medical instrumentation applications such as Patient Monitoring, ECG Equipment and other medical imaging equipments. It has excellent low noise and distortion characteristics, making it ideal for input stages of low noise amplifiers.

In addition, its excellent precision and low power consumption feature makes it suitable for instrumentation systems such as AD/DA converters, Sensor Signal Conditioners, Transducers, Power Supplies and DC/DC converters. Its low input bias current and wide range of supply voltage further expedites its application in broad range of analog circuits.

The OPA2137UA/2K5 has a wide range of power supply voltage, from 4V to 36V. Its wide operating voltage range allows it to be used in low voltage analog circuit applications. The quiescent current can also be adjusted as needed. It has a wide gain bandwidth and good noise performance.

The OPA2137UA/2K5 utilizes the Miller compensation technique to compensate the phase and gain performances of the whole system. This phase and gain compensation technique helps to ensure excellent phase margin and ensured amplification linearity even in cases of wide range of parameter variations of the system. Generally, the Miller compensation technique includes the addition of two resistors and two capacitors in a feedback path. This circuit allows the OPA2137UA/2K5 a frequency range of 8MHz to 20MHz, while still maintaining a relatively low noise and distortion profile.

Furthermore, the OPA2137UA/2K5 has a wide common-mode rejection ratio and a high input impedance. The common-mode rejection ratio of the OPA2137UA/2K5 is typically 80dB, which can effectively reduce the effects of common-mode noise. The high input impedance of the OPA2137UA/2K5 allows it to operate at lower input voltages, thus minimizing the overall power consumption.

In summary, the OPA2137UA/2K5 is a high-precision, low-noise, low-distortion and low-power consumption quad operational amplifier. It is great for audio, high-frequency and medical instrumentation applications, andits excellent precision and low power consumption makes it suitable for instrumentation systems such as AD/DA converters, Sensor Signal Conditioners, Transducers, Power Supplies and DC/DC converters. With its wide gain bandwidth, low noise and excellent common-mode rejection ratio, it is an excellent choice for high-precision audio and instrumentation applications.

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