MCP4662-103E/UN

Memory Type:	Non-Volatile
Base Part Number:	MCP4662
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	75
Temperature Coefficient (Typ):	150 ppm/°C
Tolerance:	±20%
Features:	Mute, Selectable Address
Voltage - Supply:	1.8 V ~ 5.5 V
Series:	--
Interface:	I²C
Resistance (Ohms):	10k
Number of Taps:	257
Number of Circuits:	2
Configuration:	Rheostat
Taper:	Linear
Part Status:	Active
Packaging:	Tube

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The MCP4662-103E/UN is a digital potentiometer, commonly used in data acquisition applications. A digital potentiometer is a type of variable resistor that can be controlled by a digital signal. It is used in many applications where variable resistance needs to be controlled remotely.The MCP4662-103E/UN has a simple three-terminal configuration, with the wiper that is controlled directly by the digital signal applied to it. It has a linear architecture, with 6-bit resolution and 12-bit accuracy. Its resistance values range from 100 ohms to 10 kiloohms, with a maximum current rating of 10 mA. The device operates with a voltage range of 2.7 to 5.5 volts, and can be interfaced to both 3.3V and 5V microcontroller systems.The data acquisition applications of the MCP4662-103E/UN include setting analog reference levels, controlling device operation, such as LED brightness, speaker volume adjustment, and controlling the frequency of oscillators and filters. It is also used for regulating voltage levels in power supplies and for level shifting.The working principle of the device relies on the “JFET” (Junction Field Effect Transistor) technology. The JFET is a type of solid state switch that uses a gate to regulate the flow of current. This allows it to quickly switch between high and low resistance states, depending on the voltage applied. When a voltage is applied to the wiper terminal, this gate turns on, reducing the resistance between the source and drain terminals. As the gate voltage changes, the resistance also changes.The MCP4662-103E/UN also includes several built-in features, such as automatic power-on reset and auto-shutdown control. This makes it easy to configure the device for specific applications and ensures that the wiper voltage remains within its rated range. Additionally, the device allows for up to 8-bit resolution for more detailed control.In summary, the MCP4662-103E/UN is a precision digital potentiometer designed for data acquisition applications. Its simple three-terminal configuration, linear architecture, and excellent accuracy makes it ideal for use in a wide range of applications. Its built-in features provide robust control and safety, and its adjustable range provides a wide variety of options for device setup.

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