MCP4152T-502E/SN

Memory Type:	Volatile
Base Part Number:	MCP4152
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):	5k
Number of Taps:	257
Number of Circuits:	1
Configuration:	Rheostat
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MCP4152T-502E/SN Data Acquisition - Digital Potentiometer Application Field and Working Principle

Digital potentiometers are remarkable tools for measuring and controlling voltage in applications such as audio, power management and motor control. The MCP4152T-502E/SN is a digital potentiometer that is specifically designed for applications such as power management, motor control, electro-optics and automated test equipment. In this article we will discuss the application field and working principle of the MCP4152T-502E/SN.

Application field of MCP4152T-502E/SN

The MCP4152T-502E/SN is a single channel, 16-bit digital potentiometer. It is specifically designed for applications such as power management, motor control, and automated test equipment. It offers an adjustable 10kΩ to 100kΩ linear resistance ratio over the 3-wire SPI interface. The MCP4152T-502E/SN is ideal for applications where precision and stability is required. The MCP4152T-502E/SN offers excellent performance and significant flexibility. The device combines low power consumption, low voltage operation and improved resistance ratio accuracy. It provides a fast SPI interface with up to 1 MHz clock speeds and up to 75 Mbps data bandwidth. The MCP4152T-502E/SN also has an integrated non-volatile memory which allows users to set a starting resistance level. The device is available in the 8-pin, 2mm x 2mm DFN package which allows for easy integration into space-constrained designs.

Working Principle of MCP4152T-502E/SN

The MCP4152T-502E/SN is a single channel, 16-bit digital potentiometer. It features a high accuracy and low power consumption. The device integrates a precision reference voltage, an operational amplifier, a series of resistors and an array of transistors to simulate a variable resistor with a wide resistance range.The output voltage of the MCP4152T-502E/SN can be controlled by utilizing the integrated SPI interface. The user can send a 12-bit data value to the device which will control the resistance of the integrated potentiometer. The duty cycle of the data sent to the device depends on the application and can range from 10% to 90%. The reference voltage is input to either the non-inverting or inverting input of the operational amplifier, whose output voltage is determined by the position of the wiper. The MCP4152T-502E/SN also includes an integrated non-volatile memory for storing a starting resistance level. This allows a user to quickly restore the potentiometer from any power loss event or from a design reset. Additionally, the device provides an integrated power-on-reset circuitry allowing for an automated startup resistance level.

Conclusion

The MCP4152T-502E/SN is a single channel, 16-bit digital potentiometer. It has been specifically designed for applications such as power management, motor control and automated test equipment. The device offers many features and benefits including a high accuracy and low power consumption. The SPI interface allows users to quickly set and control the output resistance while the integrated non-volatile memory allows users to store a starting resistance level. With these features, the MCP4152T-502E/SN is an excellent choice for a wide range of applications.

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