OPA627AU/2K5G4

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Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

The OPA627AU/2K5G4 is a high performance, low noise operational amplifier, designed primarily for use in precision instrumentation and feedback control systems. With a wide frequency range, an extremely low noise and distortion, and a large closed loop output voltage swing, the OPA627AU/2K5G4 delivers professional results.

The OPA627AU/2K5G4 is designed to offer a wide range of performance in static and dynamic conditions. The static parameters are typically extremely low and include high open-loop gain (100MHz), low input offset voltage, low input current noise, and low input bias current. The dynamic parameters are also excellent and include high slew rate (30V/µs) and low distortion. The OPA627AU/2K5G4 is also designed to perform well in high impedance input circuits.

Working Principle

The OPA627AU/2K5G4 is a dual, high-performance operational amplifier (op-amp) with many features and a wide range of applications. Operating on a single 5V power supply, the OPA627AU/2K5G4 has a high input impedance, low non-linearity, and low noise. Its wide bandwidth, low bias current and low offset voltage (less than 50µV) make it ideal for low-noise and high-performance applications.

The OPA627AU/2K5G4 uses a differential amplifier input stage, with an optional common-mode feedback loop. The differentially amplified input signal drives the output stage, which is capable of driving an output voltage up to the supply rails. The output stage is an emitter-coupled pair, with power transistors in the output stage.

In instrumentation applications, the OPA627AU/2K5G4 amplifies with a low voltage gain of 1. The open loop gain of the circuit is determined by the input resistance and the feedback network, with larger resistors producing higher open loop gains. The OPA627AU/2K5G4\'s high-impedance inputs eliminate loading on the measurement system and make it ideal for measuring signals in low-impedance circuits.

Applications

The OPA627AU/2K5G4 is ideally suited for instrumentation applications, such as thermocouple amplifiers, thermal resistance amplifiers, pressure transducers, strain gauge amplifiers and vibration sensors. It is also suitable for photoelectric transducer amplifiers and other transducers, such as strain sensors and ambient temperature sensors. In addition, it can be used in audio signal processing, signal frequency doublers and FET microphones.

The OPA627AU/2K5G4 can also be used in signal conditioning applications, such as sample and hold circuits, log-amplifier applications, active filters, voltage-to-frequency converters, AC amplifiers and DC amplifiers. It is also ideal for applications such as precision-peak detectors, current mirrors, current amplifiers and compensation networks.

The OPA627AU/2K5G4 is an ideal choice for applications that require low noise, low distortion, high linearity and high bandwidth performance. Its wide bandwidth allows it to be used in fast response systems such as feedback control systems and active filters. Its high open-loop gain and low noise makes it the perfect choice for instrumentation, signal conditioning and signal processing applications.

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