OPA2336EA/250

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OPA2336EA/250 Application Field and Working Principle

Linear amplifiers, instrumentation amplifiers, and operational amplifiers (op-amps) are important components in electronic applications. The OPA2336EA/250 is a high-performance operational amplifier that offers superior performance with reduced power consumption. It is a single-channel, high-voltage FET op-amp with a wideband frequency response, excellent DC accuracy, and high input impedance. It has a low noise floor, excellent linearity and gain accuracy, and a low-power shutdown mode.

Features

The OPA2336EA/250 has a number of noteworthy features:

• High-voltage power supplies of up to +-12V
• Wide gain-bandwidth product (GBW) of up to 350KHz
• Low noise floor of 4nV/√ Hz
• Low input bias current of 1pA
• High supply rejection ratio (SVR) of 95dB
• High common-mode rejection ratio (CMR) up to 80dB
• Low offset voltage of 5mV
• Dynamic range of 112dB

Applications

Due to its low noise and low power consumption, the OPA2336EA/250 is suitable for a wide range of applications. It is commonly used in audio recording and playback systems, RF data acquisition, high-end amplifier designs, active filtering, and signal conditioning. It is also suitable for lab instrumentation, medical electronics, and industrial measurements.

Working Principle

The OPA2336EA/250 is a single-supply op-amp operating from a positive and negative voltage supply. It uses a cascaded differential and common-mode amplifier loop to provide signal control and amplification. The differential amplifier stages provide gain, while the common-mode feedback loop regulates the common-mode voltage to maintain accuracy and low distortion. The high-voltage output stage provides the necessary drive for an external load.

The device employs a high-speed FET input stage for excellent speed and low distortion. The input stage uses an internal voltage divider and an external feedback capacitor for temperature compensation. The output stage is an Darlington-connected NPN transistor pair with low impedance.

Conclusion

The OPA2336EA/250 is a high-performance, single-channel FET op-amp designed to offer low power consumption with superior performance. It is suitable for applications such as audio recording and playback, RF data acquisition, signal conditioning, and lab instrumentation. The device operates with a positive and negative voltage supply and employs a differential amplifier and common-mode feedback loop to provide signal control and amplification. It has a wide gain-bandwidth product, a low noise floor, a high supply rejection ratio, and a low input bias current.

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