OP491GPZ

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The OP491GPZ is a low-voltage, low-noise, high-performance precision monolithic operational amplifier (OP-AMP) designed for audio, instrumentation, and consumer applications. It is ideal for use in sensitive signal conditioning applications where low-noise, high-speed performance are needed with minimal power dissipation. With its low-voltage operation, high-speed signal-to-noise ratio, and low distortion, the OP491GPZ is well-suited for precision instrumentation, audio signal processing, and consumer display applications.

The OP491GPZ is a high-performance precision operational amplifi er. It features a wide input common-mode voltage range, low input offse , low power consump on, and low noise. It has two op ons – one with a standard gain bandwidth product of 15 MHz and another with an improved gain bandwidth product of 50 MHz. The OP491GPZ is also designed to minimize phase-delay distortion, which makes it ideal for use in high-performance audio or commu- nication systems.

The OP491GPZ has a three-terminal pin configuration with a single power supply of 3V to 40V. It features a high output-to-power ratio and an adjustable gain of settings enabling it to be used in multiple applications. It operates on single or dual supply voltages ranging from ±1.5V to ±20V and is available in 8-pin PDIP, 8-pin SOIC, 8-pin TSSOP, and 8-pin TDFN packages.

The OP491GPZ is used as an amplifier in a variety of applications including audio amplifi ers, record/playback systems, communication systems, data acquisition systems, and medical applications. It is also used as a buffer amplifier to match low-impedance sources to higher-impedance loads.

The basic operation of the OP491GPZ is as follows. The device consists of two amplifi ers, a differential input stage and a push-pull output stage. The differential input stage amplifi es the difference between the two inputs and the output is buffered by the push-pull output stage. This buffer stage improves the slew-rate, reduces output offset voltage, and improves the common-mode rejection ratio.

The device is also designed to reduce distortion and noise. It features a high-frequency unity gain bandwidth of 15 MHz and 50 MHz, low-noise equivalent input noise (EIN), and low-distortion output distortion figure of merit (FOM). The OP491GPZ is capable of providing a wide bandwidth, lowinput bias current, and low noise.

The OP491GPZ is a robust device that is well suited for use in high-performance audio and communication systems, data acquisition systems, and medical applications. It is available in many form factors and is offered in temperatures from 0°C to 85°C.

In summary, the OP491GPZ is a low-voltage, low-noise, and high-performance precision monolithic operational amplifier designed for audio, instrumentation, and consumer applications. It features a wide input common-mode voltage range, low input offset, low power consumption and low distortion, making it ideal for use in sensitive signal conditioning applications. It is available in numerous packages to meet the requirements of various applications, including audio amplifiers, record/playback systems, communication systems, data acquisition systems and medical applications.

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