AD8400AR1-REEL

Memory Type:	Volatile
Base Part Number:	AD8400
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	200
Temperature Coefficient (Typ):	700 ppm/°C
Tolerance:	±33%
Features:	--
Voltage - Supply:	2.7 V ~ 5.5 V
Series:	--
Interface:	SPI
Resistance (Ohms):	1k
Number of Taps:	256
Number of Circuits:	1
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital Potentiometers

Digital potentiometers, such as the AD8400AR1-REEL, are becoming increasingly popular as they provide a more accurate signal than a traditional mechanical potentiometer. Digital potentiometers can be used in a wide range of applications including precision instrumentation, audio, and control systems. This article will discuss the applications and working principle of the AD8400AR1-REEL digital potentiometer.Analog-to-digital converters (ADCs) are used to convert analog signals into digital signals. These digital signals can then be used to control a system, or to store data for later analysis. However, an ADC requires a precise voltage reference in order to accurately convert the analog signal. The AD8400AR1-REEL digital potentiometer can be used to provide a precision voltage reference for an ADC, allowing for more accurate and reliable data acquisition.The AD8400AR1-REEL digital potentiometer is a 10-bit digital potentiometer that has a voltage reference range of 0.1V to 10V. The device is housed in a 40-pin TQFP package and has an adjustable resistance range of 1KΩ to 10kΩ. This allows for precision control and a high degree of accuracy.The AD8400AR1-REEL is ideal for applications such as digital audio, control systems, computer peripherals, gaming consoles, and many others. In audio applications, for example, the device can be used to adjust the volume or tone of an audio signal. In control systems, it can be used to precisely adjust the sensitivity of a sensor or motor. In gaming consoles, it can be used to control the intensity of game graphics.The AD8400AR1-REEL digital potentiometer has both a linear and a logarithmic control mode. The logarithmic mode is ideally suited for audio applications, while the linear mode is preferred for basic analog control tasks. In order to adjust the setting, the user can either adjust the 10-bit shift register that is programmed into the device or by manually adjusting the pin assigned to the setting.The AD8400AR1-REEL digital potentiometer is driven by an internal voltage source, which powers the shift register. This voltage source can be adjusted via the external resistor, allowing for a wide range of settings possible. The device also features short-circuit protection from overtemperature, reverse polarity, overvoltage, and overcurrent events.The AD8400AR1-REEL digital potentiometer is a highly accurate and reliable device that is suitable for a wide range of applications. Its adjustable resistance range, combined with the adjustable voltage source, allows for precise control and a high degree of accuracy. In addition, its logarithmic and linear control modes ensure that the device can be used in both audio and control applications. This makes it a great choice for a variety of data acquisition applications.

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