MCP4151-103E/P

Memory Type:	Volatile
Base Part Number:	MCP4151
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
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):	10k
Number of Taps:	257
Number of Circuits:	1
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tube

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MCP4151-103E/P is an advanced digital potentiometer from Microchip, one of the most popular data acquisition products in the world. It is suitable for volume control, programmable gain control and other applications requiring temperature compensation and low power consumption.The MCP4151-103E/P is a 64-position, 8-bit digital potentiometer. It comprises an array of resistive elements, wiper terminals and digitally programmable resistors. Its resistive elements and wiper terminals are connected in a three-terminal configuration and are switched using an open-drain logic. This gives the potentiometer the ability to act as a voltage divider by moving the wiper terminal in either direction. The resistance of the resistive element depends on the position of the wiper between two terminals. This provides a linear resistance change of 100 ohms per tap, giving it a total range of 64 taps at a resolution of 8-bits. The current flowing through the element is limited to 50 microamps, thus making it safe for optimization and protection from overcurrent.The MCP4151-103E/P has a serial interface that allows for digital control of the wiper position. This serial interface assists in programming the device and also allows for reading and writing of the wiper settings. The serial clock rate is programmed through the Slave Control Register to ensure accurate communication with other devices.The MCP4151-103E/P digital potentiometer is the perfect choice for data acquisition applications, due to its precision, low power consumption and ease of use. It is ideal for use in various applications such as motor control, communication equipment, consumer electronics, and automation systems.The MCP4151-103E/P offers superior performance, low power consumption and a low profile design, making it ideal for embedded systems. It is a highly reliable and reliable device, featuring excellent switching characteristics and accurate control. Additionally, the device features high temperature stability, making it ideal for temperature-sensitive applications.The working principle of MCP4151-103E/P is based on electrically triggered resistive elements. When the wiper arm is moved to the up position, the device increases the resistance of the resistive elements and the voltage put out by the wiper is linearly related to the position of the wiper. Similarly, when the wiper arm is moved to the down position, the device decreases the resistance of the resistive elements and the voltage put out by the wiper is also linearly related to the position of the wiper.In addition to its highly precise digital adjustment capabilities, the MCP4151-103E/P also offers non-volatile and volatile wiper settings. The wiper settings may be programmed to any position between 0 and 63 and stored in the non-volatile memory for later use. As a volatile setting, the settings can be set at any desired point between 0 and 63 and can be easily changed without erasing the existing setting.Overall, the MCP4151-103E/P digital potentiometer is a perfect choice for data acquisition applications. It is highly reliable and accurate, featuring linearity and a low power consumption. Its serial interface allows for easy programming and ensures accurate communication with other devices. Additionally, its non-volatile and volatile wiper settings make it an ideal choice for applications requiring adjustable settings.

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