AD8402AR50-REEL

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Data Acquisition - Digital Potentiometers

The AD8402AR50-REEL is a digital potentiometer devices designed specifically for data acquisition applications. It is capable of offering the highest quality and accuracy in a wide range of applications, from digital audio and video devices, to mobile communications, automotive, and automotive communications systems. The AD8402AR50-REEL works in conjunction with digital audio and video devices to dynamically control the output volume, bass and treble levels, balance, amplifier gain, and other audio and video control parameters. This device has two 5-bit digital potentiometers which can accept a variety of inputs and outputs and can be programmed with a software-controlled shift register.

The AD8402AR50-REEL has a wide range of features that make it suitable for a variety of applications. It includes an integrated temperature sensor and zero-drift circuit, and can be used in combination with a separate temperature sensor or external ADC and DAC. Additionally, adjustable input and output filtering, high-speed Settling Time to voltage, and adjustable gain provide additional performance and accuracy benefits. The AD8402AR50-REEL incorporates a 5-bit dynamic element matching (DTM) feature which can tolerate high distortion. This DTM feature also allows for adjusting the center frequency of the frequency response curve.

Application Field

The AD8402AR50-REEL is an ideal device for use in precision data acquisition and control applications. It is designed for use in both analog and digital systems, and offers precise and accurate control for a wide range of monitoring and control requirements. In digital video applications, the AD8402 is capable of providing precise gain adjustments of digital video signals. It is also ideal for use in digital audio applications, where it can be used to provide precise control of the output volume, bass and treble levels, amplifier gain, and other audio parameters.

AD8402AR50-REEL is also suitable for a variety of automotive applications, where precise control is of critical importance. It can be used to adjust the mirror controls, audio levels, air-conditioning systems, fuel control systems, and power steering systems. It is also ideal for use in medical, security, and industrial automation applications, where accurate and reliable control of the system parameters is of paramount importance.

Working Principle

The AD8402AR50-REEL digital potentiometer is designed to convert digital input from a wide range of devices into precise electrical resistances. This analog output resistance is used to control elements such as microphones and audio components. The device comprises of two 5-bit digital potentiometers, each with its own resistance control. The two potentiometers work together in the following way: The first is the control element and is used to determine the amount of resistance required; the second is the output element providing the actual resistance output.

The device is controlled by a software-controlled shift register which enables the voltage or current applied between each of its terminals to be varied in discrete steps. Both the control element and output element have a range of up to 100%. By adjusting the output resistance between the two terminals, the output voltage or current can be adjusted. Therefore, the output voltage or current can be precisely controlled by digitally setting the voltage or current required between the two terminals.

The device features an adjustable input and output filtering, high-speed Settling Time to voltage, and adjustable gain to provide further optimization and accuracy. The device also includes an integrated temperature sensor and zero-drift circuit, which allows for more precise control of temperature-dependent system parameters.

The AD8402AR50-REEL is an ideal device for precision data acquisition and control applications requiring accurate and reliable performance. It is designed for use in both analog and digital systems, and offers precise and accurate control for a wide range of monitoring and control requirements. It is suitable for use in digital audio and video devices, automotive, and medical applications, where the highest levels of reliability, accuracy and control are required.

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