MCP4642T-502E/MF

Memory Type:	Non-Volatile
Base Part Number:	MCP4642
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-VFDFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	75
Temperature Coefficient (Typ):	150 ppm/°C
Tolerance:	±20%
Features:	Selectable Address
Voltage - Supply:	1.8 V ~ 5.5 V
Series:	--
Interface:	I²C
Resistance (Ohms):	5k
Number of Taps:	129
Number of Circuits:	2
Configuration:	Rheostat
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MCP4642T-502E/MF is a dual digital potentiometer with 256-tap designed for all applications that require thumbwheel resolution and accurate, reliable and repeatable adjustment capabilities. It comes in a 14-pin TSSOP or a 6-pin SOIC package, and provides a serial interface for extended control and configuration.The device provides a key feature called the \'end-to-end resistance\', which specifies the total resistance between the two terminals of the device over the entire range of adjustment. More applications that use this feature include adjustable attenuators and voltage dividers.The MCP4642T-502E/MF is based on a rotary encoder, which operates on an analog voltage at its non-volatile memory. This internal non-volatile memory contains 256 steps, spaced equally at 8-bit increments. The device also has two dedicated pinouts to control the wiper position and a serial interface to communicate with microcontrollers and other devices. It can be controlled using either the generic I2C or SPI communications protocol. This makes it possible to program the potentiometer via a personal computer, and this makes it a powerful tool for applications where rapid adjustment and repeatability is needed.The MCP4642T-502E/MF is a very useful device for data acquisition. It can be used to measure the voltage difference between two points and the current flowing through them. This helps in characterizing the input/output behavior of a circuit and can be used to design filters, set gains, control volume and balance levels.Another feature of the MCP4642T-502E/MF is its integrated power-on reset circuit. This ensures that the device is properly set even after a power interruption. In addition, it has a low-power single supply design, making it suitable for battery powered applications.Finally, its integrated ESD protection makes the device even more reliable and durable. This makes it suitable for harsh operating environments, such as automotive and industrial applications.To sum up, the MCP4642T-502E/MF is a powerful digital potentiometer that offers significant advantages over mechanical potentiometers. It is well-suited for applications that require precise and repeatable adjustments. The integrated non-volatile memory, serial interface and power-on reset circuit make it a valuable asset for data acquisition and other demanding applications.

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