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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
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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| 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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