MCP41010 Potentiometer: Circuit, Pinout, and Datasheet

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Published: 15 October 2021 | Last Updated: 15 October 2021

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MCP41010-I/P

MCP41010-I/P

Microchip Technology

8 Terminations 5V 8 Pin MCP41010 Digital Potentiometers SPI 256 Positions

Purchase Guide

8 Terminations 5V 8 Pin MCP41010 Digital Potentiometers SPI 256 Positions

Hello guys. MCP41010 is an integrated digital potentiometer produced by Microchip. It integrates a 10 kΩ digital potentiometer on a single chip. This article mainly introduces circuit, pinout, datasheet and other detailed information about Microchip Technology MCP41010.

This video will show you the detailed information about digital potentiometer MCP41010.

Potenciometro digital con MCP41010

MCP41010 Description

MCP41010 is an integrated digital potentiometer produced by Microchip. It integrates a 10 kΩ digital potentiometer on a single chip. The wiper of the potentiometer has a total of 256 discrete adjustment nodes, and there is an 8 b E2PROM data register that directly controls the position of the wiper on the potentiometer. The user can write 8-bit words to the data register through corresponding instructions, and the adjustment accuracy can reach 256. The MCP41010 chip has an industry-standard SPI synchronous serial port, which can realize register operations to change the position of the sliding brush.


The wiper position of the MCP41010 varies linearly and is controlled via an industry-standard SPI interface. The devices consume <1 µA during static operation. A software shutdown feature is provided that disconnects the “A” terminal from the resistor stack and simultaneously connects the wiper to the “B” terminal. In addition, the dual During shutdown mode, the contents of the wiper register can be changed and the potentiometer returns from shutdown to the new value. The wiper is reset to the mid-scale position (80h) upon power-up. The RS (reset) pin implements a hardware reset and also returns the wiper to mid-scale.


MCP41010 Pinout

pinout.jpg

Pinout

Pin NumberPin NameDescription
1CSChip Select
2SCK Serial Clock
3SI Serial Data Input
4VSSGround
5PA0 Terminal A Connection For Pot 0
6PW0 Wiper Connection For Pot 0
7PB0 Terminal B Connection For Pot 0
8VDDPower


MCP41010 CAD Model

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Symbol

footprint.png

Footprint

3D Model.jpg

3D Model

MCP41010 Features

• 256 Taps for Each Potentiometer

• Potentiometer Values for 10 kΩ, 50 kΩ and 100 kΩ

• Single and Dual Versions

• SPI™ Serial Interface (Mode 0,0 and 1,1)

• ±1 LSB Max INL & DNL

• Low Power CMOS Technology

• 1 µA Maximum Supply Current In Static Operation

• Multiple Devices Can Be Daisy-Chained Together (MCP42XXX Only)

• Shutdown Feature Open Circuits of All Resistors for Maximum Power Savings

• Hardware Shutdown Pin Available on MCP42XXX Only

• Single Supply Operation (2.7V - 5.5V)

• Industrial Temperature Range: -40°C to +85°C

• Extended Temperature Range: -40°C to +125°C


Specifications

Microchip Technology MCP41010-I/P technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology MCP41010-I/P.
  • Type
    Parameter
  • Factory Lead Time
    7 Weeks
  • Mount

    In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.

    Through Hole
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Through Hole
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    8-DIP (0.300, 7.62mm)
  • Number of Pins
    8
  • Memory Types
    Volatile
  • Number of Elements
    1
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -40°C~85°C
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tube
  • Published
    2003
  • Tolerance

    In electronic components, "tolerance" refers to the acceptable deviation or variation from the specified or ideal value of a particular parameter, such as resistance, capacitance, or voltage. It indicates the range within which the actual value of the component can fluctuate while still being considered acceptable for use in a circuit. Tolerance is typically expressed as a percentage or a specific value and is important for ensuring the accuracy and reliability of electronic devices. Components with tighter tolerances are more precise but may also be more expensive. It is crucial to consider tolerance when selecting components to ensure proper functionality and performance of the circuit.

    ±20%
  • JESD-609 Code

    The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.

    e3
  • Pbfree Code

    The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.

    yes
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    1 (Unlimited)
  • Number of Terminations
    8
  • ECCN Code

    An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

    EAR99
  • Temperature Coefficient

    The resistance-change factor per degree Celsius of temperature change is called the temperature coefficient of resistance. This factor is represented by the Greek lower-case letter “alpha” (α). A positive coefficient for a material means that its resistance increases with an increase in temperature.

    800 ppm/°C
  • Resistance

    Resistance is a fundamental property of electronic components that measures their opposition to the flow of electric current. It is denoted by the symbol "R" and is measured in ohms (Ω). Resistance is caused by the collisions of electrons with atoms in a material, which generates heat and reduces the flow of current. Components with higher resistance will impede the flow of current more than those with lower resistance. Resistance plays a crucial role in determining the behavior and functionality of electronic circuits, such as limiting current flow, voltage division, and controlling power dissipation.

    10kOhm
  • Number of Positions
    256
  • Terminal Finish

    Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.

    Matte Tin (Sn)
  • Voltage - Supply

    Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.

    2.7V~5.5V
  • Terminal Position

    In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.

    DUAL
  • Number of Functions
    1
  • Supply Voltage

    Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.

    5V
  • Terminal Pitch

    The center distance from one pole to the next.

    2.54mm
  • Frequency

    In electronic components, the parameter "Frequency" refers to the rate at which a signal oscillates or cycles within a given period of time. It is typically measured in Hertz (Hz) and represents how many times a signal completes a full cycle in one second. Frequency is a crucial aspect in electronic components as it determines the behavior and performance of various devices such as oscillators, filters, and communication systems. Understanding the frequency characteristics of components is essential for designing and analyzing electronic circuits to ensure proper functionality and compatibility with other components in a system.

    10MHz
  • Base Part Number

    The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.

    MCP41010
  • Pin Count

    a count of all of the component leads (or pins)

    8
  • Power Supplies

    an electronic circuit that converts the voltage of an alternating current (AC) into a direct current (DC) voltage.?

    3/5V
  • Configuration

    The parameter "Configuration" in electronic components refers to the specific arrangement or setup of the components within a circuit or system. It encompasses how individual elements are interconnected and their physical layout. Configuration can affect the functionality, performance, and efficiency of the electronic system, and may influence factors such as signal flow, impedance, and power distribution. Understanding the configuration is essential for design, troubleshooting, and optimizing electronic devices.

    Potentiometer
  • Interface

    In electronic components, the term "Interface" refers to the point at which two different systems, devices, or components connect and interact with each other. It can involve physical connections such as ports, connectors, or cables, as well as communication protocols and standards that facilitate the exchange of data or signals between the connected entities. The interface serves as a bridge that enables seamless communication and interoperability between different parts of a system or between different systems altogether. Designing a reliable and efficient interface is crucial in ensuring proper functionality and performance of electronic components and systems.

    SPI
  • Nominal Supply Current

    Nominal current is the same as the rated current. It is the current drawn by the motor while delivering rated mechanical output at its shaft.

    340μA
  • Max Supply Current

    Max Supply Current refers to the maximum amount of electrical current that a component can draw from its power supply under normal operating conditions. It is a critical parameter that ensures the component operates reliably without exceeding its thermal limits or damaging internal circuitry. Exceeding this current can lead to overheating, performance degradation, or failure of the component. Understanding this parameter is essential for designing circuits that provide adequate power while avoiding overload situations.

    340μA
  • Quiescent Current

    The quiescent current is defined as the current level in the amplifier when it is producing an output of zero.

    10nA
  • Bandwidth

    In electronic components, "Bandwidth" refers to the range of frequencies over which the component can effectively operate or pass signals without significant loss or distortion. It is a crucial parameter for devices like amplifiers, filters, and communication systems. The bandwidth is typically defined as the difference between the upper and lower frequencies at which the component's performance meets specified criteria, such as a certain level of signal attenuation or distortion. A wider bandwidth indicates that the component can handle a broader range of frequencies, making it more versatile for various applications. Understanding the bandwidth of electronic components is essential for designing and optimizing circuits to ensure proper signal transmission and reception within the desired frequency range.

    1MHz
  • Resolution

    Resolution in electronic components refers to the smallest increment of measurement or change that can be detected or represented by the component. It is a crucial specification in devices such as sensors, displays, and converters, as it determines the level of detail or accuracy that can be achieved. For example, in a digital camera, resolution refers to the number of pixels that make up an image, with higher resolution indicating a greater level of detail. In analog-to-digital converters, resolution is the number of discrete values that can be represented in the digital output, determining the precision of the conversion process. Overall, resolution plays a significant role in determining the performance and capabilities of electronic components in various applications.

    1 B
  • Taper

    In electronic components, the parameter "Taper" refers to the rate at which a variable resistor's resistance changes as the control knob is adjusted. Taper is commonly used to describe potentiometers and trimmer resistors. There are different types of tapers, such as linear taper, logarithmic taper, and audio taper, each affecting how the resistance changes in relation to the physical position of the control knob. The taper of a component is important in determining how the device responds to adjustments and can impact the overall performance and usability of the electronic circuit.

    Linear
  • Number of Taps
    256
  • Total Resistance

    Total resistance in electronic components refers to the overall resistance encountered by an electric current as it flows through a circuit. It is the combined resistance of all the resistors or other components in the circuit. Total resistance is calculated by adding up the individual resistances in series circuits or by using formulas for parallel circuits. Understanding total resistance is crucial for determining the overall impedance of a circuit and for ensuring proper current flow and voltage distribution. It plays a key role in designing and analyzing electronic circuits to achieve desired performance and functionality.

    10000Ohm
  • Resistance - Wiper (Ω) (Typ)

    The parameter "Resistance - Wiper (Ω) (Typ)" in electronic components refers to the typical resistance value between the wiper terminal and one of the end terminals in a potentiometer or variable resistor. The wiper is a movable contact that can be adjusted to vary the resistance value of the component. This parameter indicates the expected resistance value at a specific position of the wiper, providing information on the component's performance and characteristics. It helps in understanding how the resistance changes as the wiper is adjusted, allowing for precise control and customization of the circuit.

    73
  • Resistor Terminal Voltage-Max

    Resistor Terminal Voltage-Max refers to the maximum voltage that can be safely applied across the terminals of a resistor without causing damage or failure. This parameter is critical in circuit design as exceeding this voltage can lead to overheating, degradation of the resistor material, or even complete failure of the component. It is essential for engineers to consider this limit to ensure reliable and safe operation of electronic circuits.

    5V
  • Height
    3.68mm
  • Length
    9.78mm
  • Width
    6.6mm
  • REACH SVHC

    The parameter "REACH SVHC" in electronic components refers to the compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation regarding Substances of Very High Concern (SVHC). SVHCs are substances that may have serious effects on human health or the environment, and their use is regulated under REACH to ensure their safe handling and minimize their impact.Manufacturers of electronic components need to declare if their products contain any SVHCs above a certain threshold concentration and provide information on the safe use of these substances. This information allows customers to make informed decisions about the potential risks associated with using the components and take appropriate measures to mitigate any hazards.Ensuring compliance with REACH SVHC requirements is essential for electronics manufacturers to meet regulatory standards, protect human health and the environment, and maintain transparency in their supply chain. It also demonstrates a commitment to sustainability and responsible manufacturing practices in the electronics industry.

    No SVHC
  • Radiation Hardening

    Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.

    No
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    ROHS3 Compliant
  • Lead Free

    Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.

    Lead Free
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Parts with Similar Specs

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MCP41010 Functional Block Diagram

Block Diagram.png

Functional Block Diagram


MCP41010 Capacitance Test Circuit

Capacitance Test Circuit.png

Capacitance Test Circuit


MCP41010 Test Circuit

Test Circuit.png

Test Circuit


MCP41010 Alternatives

Part NumberDescriptionManufacturer
MCP41010-E/SNCONVERTERS10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8, 0.150 INCH, PLASTIC, SOIC-8Microchip Technology Inc
MCP41010T-I/PCONVERTERS10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDIP8, 0.300 INCH, PLASTIC, DIP-8Microchip Technology Inc
AD8400ARZ50-REELCONVERTERSSingle-Channel Digital PotentiometerAnalog Devices Inc
AD8400ARZ1-REELCONVERTERSSingle-Channel Digital PotentiometerAnalog Devices Inc
AD8400AR10CONVERTERS10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8, MS-012AA, SOIC-8Rochester Electronics LLC
AD8400AR1-REELCONVERTERSIC 1K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8, MS-012AA, SOIC-8, Digital PotentiometerAnalog Devices Inc
AD8400AR50-REELCONVERTERSIC 50K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8, MS-012AA, SOIC-8, Digital PotentiometerAnalog Devices Inc
MCP41010-E/PCONVERTERS10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDIP8, 0.300 INCH, PLASTIC, DIP-8Microchip Technology Inc
AD8400AR100-REELCONVERTERS100K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8, MS-012AA, SOIC-8Analog Devices Inc
MCP41010T-I/SLCONVERTERS10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8, 0.150 INCH, PLASTIC, SOIC-8Microchip Technology Inc


MCP41010 Applications

• Standard Mechanical Pots

• Nominal Wiper

• Data Registers

• Programmable Single-ended Amplifiers

• Programmable Differential Amplifiers

• Programmable Offset Trim


MCP41010 Package

Package..png

Package.png

Package

MCP41010 Manufacturer

Microchip Technology Inc. is a leader in providing microcontrollers and analog semiconductors. Microchip's headquarters are located in Chandler, Arizona. They are committed to providing low-risk product development, reducing total system costs and accelerating time to market. They mainly serve customer applications in different fields around the world. Providing excellent technical support and reliable delivery and quality is their goal.


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Datasheet PDF

Download datasheets and manufacturer documentation for Microchip Technology MCP41010-I/P.
Frequently Asked Questions

Who produced the MCP41010?

Microchip.

What data register controls the position of the wiper on the potentiometer?

8 b E2PROM.

What is the adjustment accuracy of the MCP41010 chip?

256.

What type of port does the MCP41010 chip have?

SPI synchronous serial port.

How is the wiper position of the MCP41010 controlled?

Via an industry-standard SPI interface.

What happens to the contents of the wiper register during shutdown mode?

The contents of the wiper register can be changed and the potentiometer returns from shutdown to the new value.

What is the wiper reset to after power-up?

Mid-scale position.

What does the RS (reset) pin implement?

Hardware reset.
MCP41010-I/P

Microchip Technology

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