MCP4151T-104E/SN

Memory Type:	Volatile
Base Part Number:	MCP4151
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	75
Temperature Coefficient (Typ):	150 ppm/°C
Tolerance:	±20%
Features:	--
Voltage - Supply:	1.8 V ~ 5.5 V
Series:	--
Interface:	SPI
Resistance (Ohms):	100k
Number of Taps:	257
Number of Circuits:	1
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data acquisition serves as the process of collecting data from the external world and storing it in the internal memory of a system. Digital potentiometers, which consist of digitally controlled resistors, are a key component of data acquisition. The MCP4151T-104E/SN is one such component, and this article concerns its application field and working principle.The MCP4151T-104E/SN is a non-volatile memory digital potentiometer that provides 256 programmable equal steps in two-terminal rheostat application. The resistor can be varied from 0Ω to 104.7kΩ with an accuracy of +-1.0%. This component is designed with an SPI compatible serial interface that allows easy system integration and control. It is offered in the standard 8-pin MSOPSM package, making the device suitable for a wide range of applications that include high-volume manufacturing. It is also RoHS compliant and is UL recognized.The MCP4151T-104E/SN is particularly suitable for use in data acquisition as it can measure analog signals and convert them into digital signals. These digital signals can then be stored and analyzed to understand the overall system performance. The component also allows input signals to be processed via a microcontroller, allowing for powerful and efficient data acquisition.In terms of the working principle of the MCP4151T-104E/SN, it features a series of resistors connected in parallel. An internal register stores information as to which individual resistor is to be selected as the active element. The following parameters are also stored and regulated by an internal register: the output resistance, the power on-state resistance, and the power-off state resistance. The output voltage is then determined by the effective resistance of the selected parallel resistor.The MCP4151T-104E/SN also provides several protection features such as short-circuit protection and load fault protection. The short-circuit protection offers protection against the destruction of the component caused by the short-circuiting of either the SCL or SDI pins. The load fault protection, on the other hand, protects the component against the destruction of the component caused by the surge of current through the parallel resistor.All in all, the MCP4151T-104E/SN digital potentiometer is a device used for data acquisition and is highly suitable for a wide range of applications. It features a series of resistors connected in parallel, with an internal register storing information regarding which resistor is to be used as the active element. The component also provides several protection features such as short-circuit protection and load fault protection, ensuring a safe and secure operation of the device.

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