MCP4451-103E/ML

Memory Type:	Volatile
Base Part Number:	MCP4451
Supplier Device Package:	20-QFN (4x4)
Package / Case:	20-VFQFN Exposed Pad
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:	4
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tube

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Data Acquisition - Digital Potentiometers

Digital potentiometers are most commonly used in a variety of applications, such as controlling lights, audio, and voltage regulation. The Microchip MCP4451-103E/ML is a single-channel digital potentiometer chip designed specifically to be used in applications that require more precise control than what can be achieved with a manual potentiometer.The MCP4451-103E/ML is a 256-position, 10-bit digital potentiometer. It is easy to use and offers better resolution than a manual potentiometer. It also provides non-volatile memory, allowing users to store up to 1024 positions. The output voltage of the MCP4451-103E/ML is able to be adjusted in increments of 1/1022 volts, making it ideal for applications that require fine-tuning such as light dimming. The MCP4451-103E/ML offers a wide range of features and benefits that make it ideal for a variety of applications. It has an easy-to-use serial interface, allowing users to program the device quickly and with minimal effort. The device also has a low-power mode, which enables it to reduce its power consumption and extend its battery life. The device also has an internal RAM which is capable of storing all settings, meaning users can program the device, power it down, and then restore all previously programmed settings when it is powered back up. The MCP4451-103E/ML also features a high accuracy of ±2% over the full temperature range, making it suitable for low-power, cost-sensitive applications.The MCP4451-103E/ML is ideal for a range of different applications, such as home theater and automotive audio systems, consumer electronics and audio playback systems, lighting control and voltage regulation, power supplies and voltage regulation, and robotics. It is also suitable for consumer and commercial automotive applications, such as backlighting, vehicle instrumentation, and temperature control.The working principle of the MCP4451-103E/ML is based on the concept of a \'resistor ladder\' network. A single external voltage source is applied to the \'A to B\' terminals of the device, while the voltage output can be varied by connecting it to the \'W\' terminal. The resistance between \'A\' and \'W\' changes in proportion to the voltage applied at the \'W\' terminal. This allows for precise control over the output voltage of the device.In summary, the MCP4451-103E/ML is a single-channel digital potentiometer chip designed to provide greater precision and control than a manual version. It is an ideal solution for applications requiring precise control and non-volatile memory. The device also offers a low-power mode, high accuracy, and an internal RAM for storing settings, making it suitable for low-power, cost-sensitive applications.

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