MCP4141-502E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip MCP4141-502E/P is a single-channel, 7-bit SPI digital potentiometer with 5 kΩ end-to-end resistance, operating from 1.8 V to 5.5 V, ideal for audio, instrumentation, and calibration circuits.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4141-502E/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7640(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP4141-502E/P?
- Single-channel 7-bit digital potentiometer with 128 wiper positions for precise resistance control
- Wide supply range from 1.8 V to 5.5 V enabling use in battery-powered and 5 V logic systems
- Non-volatile wiper position memory retains last setting through power cycles without external EEPROM
- SPI-compatible serial interface for simple 3-wire digital control
- 5 kΩ end-to-end resistance with 2 kHz bandwidth supporting audio and signal-conditioning applications
What is MCP4141-502E/P used for?
The MCP4141-502E/P is used in audio volume and tone control circuits, sensor signal conditioning, and programmable gain amplifier designs. It is also well-suited for calibration of analog front-ends in test equipment, where precise and repeatable resistance adjustment is required. In consumer electronics and industrial systems, it replaces mechanical potentiometers for remote or automated tuning.
What are the specifications of MCP4141-502E/P?
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 2kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 129 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 5V |
| Supply Current-Max | 1mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Total Resistance-Nom | 5000Ω |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Where can I find the MCP4141-502E/P datasheet?
MCP4141-502E/P Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4141-502E/P?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What resistance range and resolution does the MCP4141-502E/P provide for precision tuning?
The MCP4141-502E/P offers a 5 kΩ end-to-end resistance with 128 wiper positions (7-bit resolution), giving approximately 39 Ω per step. This fine resolution allows accurate voltage division and signal attenuation in audio, calibration, and sensor circuits powered from 1.8 V to 5.5 V.
How does the non-volatile memory feature of the MCP4141-502E/P benefit power-cycling applications?
The MCP4141-502E/P stores its 7-bit wiper position in non-volatile EEPROM, so the resistance setting is retained when the supply drops to 0 V. This eliminates initialization code at power-up and keeps the 5 kΩ potentiometer at the last programmed value, improving reliability in battery-backed or frequently power-cycled systems.
Which supply voltages make the MCP4141-502E/P compatible with both 3.3 V and 5 V microcontroller platforms?
The MCP4141-502E/P operates from 1.8 V to 5.5 V, covering 3.3 V and 5 V logic rails directly. The SPI interface levels track the supply, so no level-shifting is needed when connecting to common MCU families. A 2 kHz bandwidth supports audio-frequency signal paths within this supply range.
When would a designer choose the MCP4141-502E/P over a mechanical trimmer potentiometer in an industrial calibration board?
A designer picks the MCP4141-502E/P when repeatable, software-controlled calibration at 128 steps across a 5 kΩ range is needed without human intervention. Mechanical trimmers drift with vibration and temperature, while the digital pot holds its EEPROM-stored setting across -40 °C to +85 °C, meeting industrial temperature requirements reliably.
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About Microchip
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.1600 | $1.16 |
| 25+ | $0.9600 | $24.00 |
| 100+ | $0.8700 | $87.00 |
| 1000+ | $0.8400 | $840.00 |
| 5000+ | $0.8300 | $4150.00 |
| 5040+ | $0.7640 | $3850.56 |
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