MCP4132T-104E/SN

Memory Type:	Volatile
Base Part Number:	MCP4132
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:	129
Number of Circuits:	1
Configuration:	Rheostat
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital Potentiometers

Digital potentiometers are an essential tool for data acquisition and telemetry systems, allowing a device to electronically control its electric properties. One of the most popular digital potentiometers used in these applications is the MCP4132T-104E/SN. This article will discuss the application fields and working principle of the MCP4132T-104E/SN.The MCP4132T-104E/SN is a low-power, single-channel, digitally-controlled potentiometer (DCP), providing 10-kΩ resistance in 256 taps. The device is a bi-directional, non-volatile, adjustable resistor. It is ideal for applications where superior software-controlled linear resistance scaling is required, such as motor control and audio volume control.The MCP4132T-104E/SN is commonly used in data acquisition and telemetry systems. The device uses an on-board non-volatile memory to store an 8-bit setting. This stored value can be read from or written to through a 3-wire I²C-compatible interface. This makes the device very easy to control, as the I²C-compatible interface is compatible with many popular microcontrollers and development boards, such as Arduino and Raspberry Pi. The potentiometer can be used to measure analog voltages or currents in data acquisition and telemetry systems. By connecting a voltage/current source to the DCP, and then connecting the adjustable resistor terminals to an analog-to-digital converter, accurate measurements of the voltage/current can be taken, and then stored or transmitted wirelessly. This makes it a great tool for sensing and monitoring systems.The MCP4132T-104E/SN also has excellent linearity and low power consumption, making it ideal for remote and battery-powered applications. The device can operate on a single 3V coin-cell battery, with an overall operating temperature range of -40℃ to +125℃. The device also has static protection against current surges and ESD, so it can be safely used in environments where noise and dynamic currents are a concern.Finally, the MCP4132T-104E/SN has a wide range of input and output capabilities. The device has an input voltage ranging from 0V to 5V, and an output voltage that ranges from 0V to 5V. The device provides a very low level of resistance when the input and output voltages are 0V and 5V respectively.In conclusion, the MCP4132T-104E/SN is an excellent choice for data acquisition and telemetry systems. Its low power consumption, static protection and wide range of input/output voltages makes it a great option for applications that require precise voltage measurement. Its ease of control and I²C-compatible interface also makes it easy to integrate with popular microcontroller and development boards.

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