AD621BRZ-R7

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AD621BRZ-R7

The AD621BRZ-R7 is an amplifier belonging to the linear-amplifiers-instrumentation, OP amps, buffer amps product family. It has a high input impedance, low distortion, low noise, and wide bandwidth. The AD621BRZ-R7 is used to provide high accuracy amplification for a variety of applications ranging from ac signal conditioning to interconnecting digital-to-analog and analog-to-digital converters.

Application Field

The AD621BRZ-R7 is a unique and extremely accurate amplifier. Its application field includes high performance Instrumentation Amplifiers, Sensor Interfacing and Signal Conditioning, Transimpedance Amplifiers, Difference Amplifiers, Low Power Isolation Amplifiers, Acoustic Acquisition and Detection, Automotive / Medical ECG, Flow Meters, and Data Acquisition Systems. The amplifier\'s wide bandwidth and low-frequency capability make it suitable for a wide variety of signal conditioning applications.

Working Principle

The AD621BRZ-R7 is a high impedance, low distortion, low power, wide bandwidth, signal conditioning amplifier. It uses an internal voltage-current feedback (VCFB) topology that provides exceptionally low nonlinearity and noise while allowing both balanced and unbalanced signal sources to be amplified. The amplitude response is extremely flat over the audio-frequency region and the noise performance is outstanding at low frequencies. It provides excellent signal-to-noise-and-distortion performance at frequencies up to 10 MHz.

The AD621BRZ-R7 provides precision gain and offset control with a low drive current output stage for driving low impedance loads. The rail-to-rail output stage reduces output voltage limitations and increases resolution. It has a low input bias current of 50 pA and a low offset voltage of 50 μV. It also has high slew rates of up to 1 V/μs. The high overload margins make the amplifier suitable for single-supply operation with a supply voltage of up to 10 V.

The AD621BRZ-R7 is designed to operate with a wide range of power supplies, including unregulated supplies such as batteries. It operates over a temperature range of -40°C to +85°C. It has both single and dual supply configurations, allowing it to be used in a variety of situations. The device is available in a 6-pin, 8-pin, or 16-pin versions.

The AD621BRZ-R7 is an excellent solution for many types of signal conditioning applications requiring high-accuracy, low-noise, and wide-bandwidth performances. Its low distortion, low noise, and high input impedance make it suitable for many types of transimpedance and transresistance amplification, instrumentation amplifier, and sensor and signal conditioning applications.

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