AD5142BCPZ100-RL7

Memory Type:	Non-Volatile
Base Part Number:	AD5142
Supplier Device Package:	16-LFCSP-WQ (3x3)
Package / Case:	16-WFQFN Exposed Pad, CSP
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	130
Temperature Coefficient (Typ):	35 ppm/°C
Tolerance:	±8%
Features:	Cascade Pin
Voltage - Supply:	2.3 V ~ 5.5 V, ±2.25 V ~ 2.75 V
Series:	--
Interface:	SPI
Resistance (Ohms):	100k
Number of Taps:	256
Number of Circuits:	2
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionData acquisition, or signal acquisition, refers to the process of converting physical characteristics such as temperature, pressure, voltage, and current into a digital form that can be read, analyzed and stored. Digital Potentiometers are one type of data acquisition that is used regularly in control systems. The AD5142BCPZ100-RL7 is a two-terminal non-volatile digital potentiometer that is useful for a variety of data acquisition applications. ApplicationsThe AD5142BCPZ100-RL7 is a two-terminal non-volatile digital potentiometer device that is used in data acquisition and automatic control systems. It is designed to work with systems such as motion control, vibration control, and temperature control. It is particularly useful in applications where the potentiometer needs to be adjusted frequently as it has a wide range of adjustment. It is also commonly used in motor drive systems to adjust the speed of the motor.The device can be used in controlling the amount of current or voltage in a circuit and can be set to a particular resistance value. The device can also be used in controlling the transfer function of a system, by setting the transfer function and the desired level. Other popular applications include power management, amplifier gain selection, and frequency control.Working PrincipleThe AD5142BCPZ100-RL7 device consists of two terminals and an onboard EEPROM. It is programmed to adjust the internal resistance between the two terminals in relation to the digital value stored in the memory. When the device is powered up, the values in the memory will be used to set the resistance.The resistance value can be programmed through an I2C interface. This allows the device to be programmed with various values depending on the application. The device will then adjust its resistance as required, with a resolution of 0.1% over its entire range.ConclusionThe AD5142BCPZ100-RL7 is a two-terminal non-volatile digital potentiometer device that is used in data acquisition and automatic control systems. It has a wide range of adjustment and can be used in applications such as motion control, vibration control, temperature control, motor drive systems, power management, amplifier gain selection, and frequency control. The device is programmed to adjust its internal resistance, with a resolution of 0.1%, when instructed through an I2C interface.

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