ADA4891-1ARZ

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The ADA4891-1ARZ is a high performance programmable-gain amplifier with low distortion. This low noise amplifier works particularly well in high-end instrumentation, operating amplifiers (op amps), buffer amplifiers and other linear systems that require a high level of performance. It provides high slew rate and can drive capacitive or inductive loads with short settling time. Its programmable gain range allows for a wide range of voltage attenuation and gain adjustment.

With this operational amplifier, a user is able to precisely adjust the gain of a system which offers a wide range of linear performance capabilities. The ADA4891-1ARZ’s built-in programmable gain is designed to allow its gain to be tuned from 0.01 to 10,000 in precise 0.001dB steps. The amplifier also supports gain factors of dB, V/V, A/V and µV/V. This precise control over gain provides precise feedback controls, offering increased accuracy and precision in linear systems.

The amplifier also offers low noise and low distortion. The noise level is extremely low, offering a noise floor of -157 dBV at a gain of 0.001 dB. The low distortion also makes it suitable for high-end instrumentation, professional audio and other demanding applications. The low distortion combined with the high slew rate and wide gain adjustment range makes the ADA4891-1ARZ a must-have amplifier for many linear systems.

The ADA4891-1ARZ also features an impressive common-mode rejection ratio of 105 dB, with an input bias current of only 8 nA and a minimum offset voltage of less than 2 µV. It also provides a minimum CMRR up to 80 kHz, and an open loop bandwidth of 0.5 MHz. These specs make the ADA4891-1ARZ an ideal choice for instrumentation, op amps, buffer amplifiers and other linear applications demanding high performance.

The ADA4891-1ARZ is designed with enhanced thermals and is highly temperature stable. It operates from a single +5V power supply, but can also be powered from a ±5V or ±15V supply. This makes the amplifier suitable for a wide range of applications in industrial, automotive and medical markets. The amplifier is also soft-start, eliminating any potential inrush current problems.

The ADA4891-1ARZ operational amplifier is an ideal choice for precision systems that require high performance and low noise, with low distortion and wide power supply range. It can be used in high-end instrumentation, operating amplifiers, buffer amplifiers and other linear systems that require these specific characteristics.

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