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HomeProductsIntegrated Circuits (ICs)Data Acquisition - Digital PotentiometersMCP4011-502E/MS
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MCP4011-502E/MS - Microchip Technology

Manufacturer Part Number
MCP4011-502E/MS
Manufacturer
Microchip Technology
Allelco Part Number
32D-MCP4011-502E/MS
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
80,340 pcs available, New & Original
Parts Description
IC DGTL POT 5KOHM 64TAP 8MSOP
Package
8-MSOP
Data sheet
MCP4011-502E/MS.pdf

Datasheets

MCP4011-4014.pdf

Other Related Documents

Development Tools Catalog.pdf

PCN Assembly/Origin

Mult Devices 28/Nov/2017.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 80340
  • Unit Price: $1.266
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $1.266 $1.27
200+ $0.49 $98.00
500+ $0.473 $236.50
1000+ $0.465 $465.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

MCP4011-502E/MS Tech Specifications
Microchip Technology - MCP4011-502E/MS technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - MCP4011-502E/MS

Product Attribute Attribute Value
Manufacturer Microchip Technology
Voltage - Supply 1.8V ~ 5.5V
Tolerance ±20%
Temperature Coefficient (Typ) 150ppm/°C
Taper Linear
Supplier Device Package 8-MSOP
Series -
Resistance - Wiper (Ohms) (Typ) 70
Resistance (Ohms) 5k
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Product Attribute Attribute Value
Package Tube
Operating Temperature -40°C ~ 125°C
Number of Taps 64
Number of Circuits 1
Mounting Type Surface Mount
Memory Type Volatile
Interface Up/Down (U/D, CS)
Features -
Configuration Potentiometer
Base Product Number MCP4011

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

MCP4011-502E/MS Image
MCP4011-502E/MS (1)

Manufacturer Part Number

MCP4011-502E/MS

Manufacturer

microchip-technology

Introduction

The MCP4011-502E/MS is a digitally controlled potentiometer designed by Microchip Technology, part of digital data acquisition technology. This component emulates a mechanical potentiometer's functionality in electronic form.

Product Features and Performance

64-position linear taper potentiometer

Volatile memory

Up/Down serial interface

Achieves 150ppm/°C temperature coefficient performance

Wide voltage supply range from 1.8V to 5.5V

Product Advantages

Precise control over output with 64 distinct positions

Flexibility in voltage requirements accommodates various application needs

Linear adjustment allows for straightforward, predictable output changes

Easy to integrate with microcontrollers due to serial interface

Key Technical Parameters

Resistance: 5k Ohms

Tolerance: ±20%

Number of Taps: 64

Voltage Supply: 1.8V ~ 5.5V

Operating Temperature: -40°C ~ 125°C

Resistance Wiper (Ohms) (Typ): 70

Quality and Safety Features

Operates reliably in a wide temperature range from -40°C to 125°C, ensuring performance stability under varied environmental conditions

Robust against temperature-induced performance variations

Compatibility

Surface Mount technology allows for compatibility with modern PCB assembly processes

Serial interface compatible with a wide range of microcontrollers

Application Areas

Automotive electronics

Consumer electronics

Industrial control systems

Communication devices

Product Lifecycle

Status: Active

Continuously supported with no current plans for discontinuation

Availability of replacements or upgrades is maintained

Several Key Reasons to Choose This Product

High precision and flexibility in control for varied applications

Broad compatibility and ease of integration into existing systems

Robust performance across a wide range of environmental conditions

Supported by Microchip Technology's commitment to quality and long-term availability

Frequently Asked Questions(FAQ)

How does the MCP4011-502E/MS digital potentiometer perform in terms of wiper resistance when used in precision analog signal conditioning applications requiring low noise and minimal loading?
The MCP4011-502E/MS exhibits a typical wiper resistance of 70 ohms, which can introduce significant loading error in high-impedance sensor interfaces or buffer stages. In precision applications where signal integrity is critical—such as in instrumentation amplifiers or active filter networks—this non-zero wiper resistance may degrade gain accuracy, particularly when driving capacitive loads or interfacing with sources above 1 kΩ. Designers should account for this by using op-amps with low input bias currents and ensuring adequate drive strength at the wiper node to minimize voltage droop across the wiper resistance.
What are the key differences between the MCP4011-502E/MS and alternative digital potentiometers like the MCP4131-502 when selecting a device for a battery-powered system with strict power budget constraints?
While both the MCP4011-502E/MS and MCP4131-502 offer similar nominal resistance (5kΩ) and 64-tap resolution, the MCP4011 uses an up/down (U/D, CS) interface requiring two control lines, whereas the MCP4131 typically employs a simpler SPI-compatible interface. More critically, the MCP4011 draws higher quiescent current due to its internal architecture, making it less suitable for ultra-low-power designs compared to newer models optimized for sleep-mode operation. Additionally, the MCP4011’s volatile memory means configuration loss on power-down necessitates reinitialization, increasing wake-up time in battery-operated systems.
Can the MCP4011-502E/MS be used reliably in automotive-grade temperature cycling environments, and how does its thermal drift impact tuning stability over time?
The MCP4011-502E/MS is specified for operation from -40°C to +125°C, aligning with standard automotive temperature grades. However, its temperature coefficient of 150 ppm/°C implies that resistance variation with temperature can reach ±1.875% over the full range—comparable to its ±20% initial tolerance. For applications requiring stable setpoints over extreme ambient changes—such as sensor calibration loops—this drift may necessitate periodic recalibration or use of external trimming circuits to maintain accuracy.
Is the MCP4011-502E/MS compatible with 3.3V logic levels, and what precautions should be taken when interfacing it directly with modern microcontrollers lacking dedicated digital I/O pins?
Yes, the MCP4011-502E/MS operates from 1.8V to 5.5V supply rails, allowing direct interface with 3.3V microcontroller I/Os without level shifting. Its up/down (U/D, CS) inputs are CMOS-compatible and accept standard logic thresholds. However, when sharing limited GPIOs, designers must implement software debouncing and ensure proper sequencing of U/D and CS signals to avoid unintended wiper transitions during reset or interrupt handling, which could temporarily disrupt analog output levels.
How does the MCP4011-502E/MS handle repeated write cycles, and what limits its endurance in dynamic tuning scenarios?
Although not explicitly rated for endurance like EEPROM-based devices, the MCP4011-502E/MS relies on EEPROM-like storage cells for each tap setting. Industry-standard EEPROMs typically endure 100,000 to 1 million write cycles. Assuming conservative usage (e.g., daily reconfiguration), this supports years of operation in most embedded systems. Nevertheless, frequent toggling between extreme tap positions under high-temperature conditions may accelerate wear, so mission-critical applications should limit write frequency or consider non-volatile alternatives if data retention post-power-loss is required.
What layout considerations are essential when placing the MCP4011-502E/MS near sensitive analog circuitry to prevent digital switching noise from affecting measurement accuracy?
Due to its digital control interface, the MCP4011-502E/MS can inject switching noise into adjacent traces through capacitive coupling or ground bounce. To mitigate this, separate analog and digital ground planes with a single-point connection near the IC, route digital control lines away from analog nodes, and place decoupling capacitors (0.1 µF ceramic) close to the VDD pin. Additionally, avoid routing clock or signal lines parallel to the A+ and A− terminals of the potentiometer section, as crosstalk here directly affects output linearity and resolution.
How does the MCP4011-502E/MS compare to resistor ladder DACs in terms of linearity and step uniformity for coarse gain adjustment in audio volume control applications?
The MCP4011-502E/MS provides 64 linear-tapped steps across 5kΩ, yielding 78.125Ω per step. While sufficient for basic attenuation, its inherent non-monotonicity and wiper contact resistance introduce slight nonlinearities compared to true R-2R or segmented ladder DACs. In low-distortion audio paths, this may manifest as audible clicks or uneven volume steps near mid-range settings. For such use cases, dedicated audio attenuators or digitally controlled amplifiers with built-in interpolation are preferable unless cost and footprint are dominant constraints.
Can the MCP4011-502E/MS maintain its programmed wiper position during brief power dips, and what happens if VDD drops below 1.8V?
No—the MCP4011-502E/MS has volatile memory. If VDD falls below 1.8V (its minimum operating voltage) even momentarily, the stored tap position is lost. The device resets to a default state (usually midpoint or undefined, depending on initialization code). Systems requiring persistence across brownouts must either reconfigure the wiper via firmware after reset or use a backup capacitor to sustain VDD long enough for safe shutdown procedures.
What are the implications of the MCP4011-502E/MS’s ±20% absolute tolerance in high-precision voltage divider configurations?
With ±20% tolerance, the actual end-to-end resistance of the MCP4011-502E/MS can deviate by up to ±1kΩ from the nominal 5kΩ value. In voltage divider applications, this causes proportional errors in output voltage. For example, in a 10V reference circuit, the worst-case output swing could shift by ±2V before even accounting for temperature effects. Therefore, in systems demanding sub-percent accuracy, external precision resistors should dominate the fixed leg(s) of the divider while the digital potentiometer handles only fine-tuning adjustments.
How does the MCP4011-502E/MS support bidirectional tuning, and what software overhead is involved in implementing smooth ramping of resistance values?
The MCP4011-502E/MS supports bidirectional tuning via the U/D input: U/D=High increments the wiper toward terminal B, U/D=Low decrements toward A. This allows software-controlled ramping without needing separate increment/decrement commands. However, each step requires a pulse on the CS line, meaning a ramp from tap 0 to 63 consumes 64 individual write operations. Implementing smooth transitions thus demands careful timing and buffering to avoid glitches, especially in real-time control loops where abrupt changes could destabilize downstream analog stages.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology MCP4011-502E/MS

Product Attribute MCP4011-202E/MS MCP4011T-202E/MS MCP4011-503E/MS MCP4011-103E/MS
Part Number MCP4011-202E/MS MCP4011T-202E/MS MCP4011-503E/MS MCP4011-103E/MS
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Tolerance - - - -
Temperature Coefficient (Typ) - - - -
Features - - - Simultaneous Sampling
Mounting Type - Surface Mount Through Hole Surface Mount
Taper - - - -
Interface - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Number of Taps - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Configuration - - - S/H-ADC
Resistance (Ohms) - - - -
Memory Type - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ) - - - -
Number of Circuits - - - -
Voltage - Supply - - - -

MCP4011-502E/MS Datasheet PDF

Download MCP4011-502E/MS pdf datasheets and Microchip Technology documentation for MCP4011-502E/MS - Microchip Technology.

Datasheets
MCP4011-4014.pdf
PCN Design/Specification
Bond Wire Qualification 08/Jun/2016.pdf MCP40YYY 02/Feb/2018.pdf
Other Related Documents
Development Tools Catalog.pdf
PCN Packaging
Label and Packing Changes 23/Sep/2015.pdf Packing Changes 10/Oct/2016.pdf
PCN Assembly/Origin
Mult Devices 28/Nov/2017.pdf

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2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
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MCP4011-502E/MS Image

MCP4011-502E/MS

Microchip Technology
32D-MCP4011-502E/MS

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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