AD8638ARJZ-REEL

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The AD8638ARJZ-REEL is a high-speed linear amplifier that combines low distortion and low power consumption in a single-supply configuration. It is designed for use in a variety of instrumentation, buffer amp, and op amp applications. Specifically, the AD8638ARJZ-REEL is suited for active filter applications, such as those found in medical, automotive, telecommunications and other communications applications.

The AD8638ARJZ-REEL offers a gain bandwidth product of up to 13 MHz. This enables the device to be used in higher frequency applications, such as for many audio amplifiers, and in buffer amplifier applications requiring high frequency response and low distortion. The unity-gain stable design reduces power consumption capabilities, making it ideal for power sensitive applications. It also has high CMRR and PSRR, making it suitable for low noise sensitive designs.

The AD8638ARJZ-REEL working principle is based on a fully differential amplifier circuit topology. It utilizes a differential input stage, a rail-to-rail output stage, and a unity-gain output stage that can drive capacitive loads. The differential input stage provides an input common mode voltage range of 0.1V to VDD-1.1V. This range allows the device to be used in a wide variety of supply voltages such as single, dual, and split supplies.

The rail-to-rail output stage provides an output swing from 0.2V to VDD-0.2V. This range allows the device to be used to drive signals into high voltage rails or low voltage rails without any additional output level shifting circuitry. In addition, the output stage is capable of driving up to 20 pF of capacitive load with 5V supply, making it suitable for driving baseband signals in applications such as op amps and buffer amplifiers.

The AD8638ARJZ-REEL also offers a high DC precision with a typical offset voltage of ±200µV, a typical gain error of ±0.3%, and an output offset voltage of ±10mV at 5V supply. This enables the device to maintain high accuracy even over different temperature and supply voltage variations. Also, the device features integrated EMI/RFI filters that provide improved protection against external noise sources.

The AD8638ARJZ-REEL is available in a compact 5-pin SOT-23 package and is specified over the industrial temperature range of -40°C to +85°C. This makes the device suitable for a variety of portable and industrial applications. The device also has an extended temperature range of -40°C to +125°C for automotive, medical and industrial applications.

In summation, the AD8638ARJZ-REEL is a high-speed linear amplifier designed for instrumentation, buffer amp, and op amp applications. Its low-power, low-distortion design and high precision makes it ideal for applications like active filter circuits and audio amplifiers. The integrated EMI/RFI filters provide additional protection against noise sources and its compact package with extended temperature range make it suitable for a variety of portable and industrial applications.

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