MCP4462T-502E/ST

Memory Type:	Non-Volatile
Base Part Number:	MCP4462
Supplier Device Package:	14-TSSOP
Package / Case:	14-TSSOP (0.173", 4.40mm 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:	WiperLock™
Interface:	I²C
Resistance (Ohms):	5k
Number of Taps:	257
Number of Circuits:	4
Configuration:	Rheostat
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital Potentiometers: MCP4462T-502E/ST application field and working principleDigital Potentiometers are highly versatile, digitally programmable resistors that can be used to adjust resistance, gain and offset settings in both basic and advanced electronic systems. The MCP4462T-502E/ST is one of the most popular digital potentiometers on the market, and is used in many different applications.This digital potentiometer is a three-terminal device, consisting of a wiper, an A terminal and a B terminal. The resistance between the A and B terminals can be adjusted by varying the wiper position, but the exact resistance value depends on the number of steps the device can take. The MCP4462T-502E/ST has a total of 512 steps, and the resistance between the A and B terminals is determined by the position of the wiper in relation to those steps.The MCP4462T-502E/ST can be used in a variety of applications, including audio and telephone systems, instrumentation and measurement systems, automotive systems and temperature control. The device can be used to adjust the frequency response of an audio system, and can also be used to adjust the gain and offset of an instrumentation system. Additionally, the device is ideal for automotive systems since it can control the fan speed and temperature, as well as adjust the throttle.The MCP4462T-502E/ST is a non-volatile potentiometer, meaning that even after power is removed from the device, it can retain its settings. This is a great feature for applications that require long term adjustment, such as temperature control. The device also features a serial interface, making it easier to program and control the potentiometer remotely, even from a smartphone or computer.In order to understand the working principle of the MCP4462T-502E/ST, it is first necessary to look at the construction of the device. The device consists of a wiper, which is connected to a shaft, and two terminals (A and B) which are connected to resistors. The resistor from the A terminal to the wiper is referred to as RarmA, while the resistor from the wiper to the B terminal is referred to as RarmB. When the wiper is moved, both RarmA and RarmB change, and the total resistance between the two terminals is determined by the sum of the two resistances.The MCP4462T-502E/ST is programmed using a serial interface, which is used to send commands to the device. The commands can be used to set the wiper position, to change the number of steps and to set the reference voltage. The MCP4462T-502E/ST can also be used in conjunction with a microcontroller, which can be used to read the position of the wiper from the device and adjust it accordingly. This can be used in applications such as audio or instrumentation systems, in which the frequency response must be adjusted.In conclusion, the MCP4462T-502E/ST is a versatile digital potentiometer that can be used in a variety of applications. The device has a total of 512 steps, and the resistance between the A and B terminals is determined by the position of the wiper on those steps. The device is programmed using a serial interface, and can be used in conjunction with a microcontroller for more advanced applications. The device is highly reliable, making it ideal for long term adjustment in temperature control systems.

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