ADA4665-2ARZ-RL

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The ADA4665-2ARZ-RL is a high-precision low power CMOS instrumentation amplifier. This type of instrumentation amplifier is well suited for a variety of applications, including medical, power management, and filter applications.

Application Field

The ADA4665-2ARZ-RL has a wide range of applications across a variety of industries, ranging from medical to automotive. Some of the common applications include strain-gauge measurements, EEG/ECG monitoring, precision low-power electronics, motor control, and automotive and aerospace applications. The ADA4665-2ARZ-RL is usually used as an input stage for precision data acquisition systems or for filter applications.

Working Principle

The ADA4665-2ARZ-RL is an instrumentation amplifier with an integrated precision low-noise voltage follower output stage. It consists of two op amps and a differential amplifier. The op amps are responsible for supplying the signal-conditioning input with a low-noise and low-distortion signal. The differential amplifier then amplifies this differential input signal, generating the output signal.

The ADA4665-2ARZ-RL offers a wide input voltage range (up to ±15V) with a gain of up to 200V/V. The device features a high common-mode rejection ratio (CMRR) of 120dB and a low input bias current of only 300 nA. Additionally, the device includes a wide operating temperature range of -40°C to 85°C.

The ADA4665-2ARZ-RL also features a wide frequency response range of DC to 5MHz, allowing the device to be used more extensively in applications requiring high bandwidth. The high slew rate of 0.8V/μsec allows the device to optimally amplify rapid input signals, resulting in low distortion signals.

Overall, the ADA4665-2ARZ-RL is an ideal choice for a range of applications requiring a low-power, precision instrumentation amplifier with low noise and low distortion. It is suitable for automotive, medical, and power management applications, and is also well suited for filter applications.

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