MCP4251-104E/P
Digital Potentiometer with 256 Positions and 100k Ohm Resistance in a Dual 14-Pin PDIP Tube
Quantity | Unit Price(USD) | Ext. Price |
---|---|---|
1 | $0.451 | $0.45 |
200 | $0.174 | $34.80 |
500 | $0.168 | $84.00 |
1000 | $0.165 | $165.00 |
Inventory:8,614
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
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Part Number : MCP4251-104E/P
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Package/Case : 14-DIP
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Manufacturer : Microchip Technology
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Components Classification : Digital Potentiometers
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Datesheet : MCP4251-104E/P DataSheet (PDF)
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Series : MCP4251
Overview of MCP4251-104E/P
The MCP4251-104E/P is a digital potentiometer optimized for high-speed and low-voltage operations, providing excellent performance for analog and digital signal switching applications.
Pinout
The MCP4251-104E/P pinout refers to the configuration and function of each pin in its PDIP-14 package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the MCP4251-104E/P has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- Dual-channel 10kΩ digital potentiometer: The MCP4251-104E/P features two independent channels with a total of 256 taps per channel, allowing for precise control over analog signals.
- Resolution of 256 taps per potentiometer: This high-resolution capability enables the device to accurately adjust and fine-tune analog signals in various applications.
- Power supply range: 2.7V to 5.5V: The MCP4251-104E/P can operate within a wide power supply range, making it suitable for use in various systems and devices.
- Low power consumption: 0.5mA: This low power consumption feature makes the device energy-efficient and suitable for battery-powered or low-power applications.
- I2C serial interface: The MCP4251-104E/P features an I2C serial interface, allowing for easy communication with microcontrollers and other devices.
- Wiper memory: This feature enables the device to store the wiper position, ensuring that the analog signal remains stable even when power is interrupted or lost.
- Shutdown mode to reduce power consumption: The MCP4251-104E/P has a shutdown mode that reduces its power consumption to almost zero, making it suitable for applications where power-saving is crucial.
Applications
- Remote monitoring: The MCP4251-104E/P can be used in remote monitoring systems to adjust and control analog signals in real-time.
- Display drivers: This device is suitable for use as a display driver in various applications, such as LED lighting systems or touchscreens.
- Network switches: The MCP4251-104E/P can be used to control and adjust analog signals in network switches and other communication devices.
- Smart energy meters: This device is suitable for use in smart energy meters, where it can help measure and control electrical power consumption.
- Semiconductor manufacturing test equipment: The MCP4251-104E/P can be used as a test equipment in semiconductor manufacturing to adjust and control analog signals during the testing process.
Advantages and Disadvantages
The MCP4251-104E/P has several advantages, including its high-resolution capability, low power consumption, and I2C serial interface. However, it also has some disadvantages, such as its limited operating temperature range (-40°C to 125°C) and the need for a separate voltage regulator to ensure proper operation.
Equivalents
For similar functionalities, consider these alternatives to the MCP4251-104E/P:
- MCP42010: This device is a digital potentiometer with a resolution of 256 taps per channel and an I2C serial interface.
- AD8307: This device is a high-resolution digital potentiometer with a resolution of 1024 taps per channel and an SPI serial interface.
- DAC8564: This device is a high-precision digital-to-analog converter (DAC) with a resolution of 16 bits and an I2C serial interface.
Frequently Asked Questions
Q: What is the operating voltage range for the MCP4251-104E/P?
A: The operating voltage range for the MCP4251-104E/P is 2.7V to 5.5V.
Q: What is the resolution of the MCP4251-104E/P?
A: The resolution of the MCP4251-104E/P is 256 taps per channel.
Q: Does the MCP4251-104E/P have a shutdown mode to reduce power consumption?
A: Yes, the MCP4251-104E/P has a shutdown mode that reduces its power consumption to almost zero.
Q: What is the typical application for the MCP4251-104E/P?
A: The typical applications for the MCP4251-104E/P include remote monitoring, display drivers, network switches, smart energy meters, and semiconductor manufacturing test equipment.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Package | Tube | Product Status | Active |
Programmabe | Not Verified | Taper | Linear |
Configuration | Potentiometer | Number of Circuits | 2 |
Number of Taps | 257 | Resistance (Ohms) | 100k |
Interface | SPI | Memory Type | Volatile |
Voltage - Supply | 1.8V ~ 5.5V | Tolerance | ±20% |
Temperature Coefficient (Typ) | 150ppm/°C | Mounting Type | Through Hole |
Supplier Device Package | 14-PDIP | Package / Case | 14-DIP (0.300", 7.62mm) |
Operating Temperature | -40°C ~ 125°C | Resistance - Wiper (Ohms) (Typ) | 75 |
Base Product Number | MCP4251 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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MCP4251-104E/P
Digital Potentiometer with 256 Positions and 100k Ohm Resistance in a Dual 14-Pin PDIP Tube
Inventory:
8,614
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
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