MCP4141-502E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP4141-502E/SN is a single-channel 128-step 5 kOhm digital potentiometer with SPI increment/decrement control, non-volatile wiper position storage, and 2 kHz bandwidth in an 8-pin SOIC package. In stock worldwide with fast shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4141-502E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7070(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/SN?
- 128-step resolution with 5 kOhm end-to-end resistance providing fine-grained analog adjustment via SPI increment/decrement commands
- Non-volatile wiper position storage retaining the last set resistance value after power removal without software overhead
- 2 kHz bandwidth enabling use in audio volume control, tone adjustment, and low-frequency signal conditioning circuits
- Single-supply operation from 1.8V to 5.5V for compatibility with both 3.3V and 5V microcontroller systems
What is MCP4141-502E/SN used for?
The MCP4141-502E/SN is used in programmable gain amplifier stages, audio volume controls, and calibration adjustment circuits where software-controlled resistance replaces a manual trimmer potentiometer. Its non-volatile memory makes it ideal for set-and-forget calibration in production-line equipment, eliminating the need for re-calibration after power cycling. Portable instruments and consumer electronics also use it for digitally adjustable LCD contrast, LED brightness, and sensor bias without additional EEPROM chips.
What are the specifications of MCP4141-502E/SN?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 2kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 129 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| 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 | YES |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Total Resistance-Nom | 5000Ω |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Mainland China, Thailand |
Where can I find the MCP4141-502E/SN datasheet?
MCP4141-502E/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4141-502E/SN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many resistance steps does MCP4141-502E/SN offer, and what end-to-end resistance does it provide?
MCP4141-502E/SN features 128 wiper positions across a 5 kOhm end-to-end resistance, yielding a step size of approximately 39 Ohm per increment. The increment/decrement SPI interface allows the host MCU to adjust resistance in real time at the 2 kHz bandwidth limit of the internal resistor ladder.
Does MCP4141-502E/SN retain its wiper setting after power is removed, and how is that stored?
Yes, MCP4141-502E/SN stores the wiper position in on-chip non-volatile EEPROM that retains data for at least 40 years at +25°C. After power-up the device restores the last saved wiper setting automatically, eliminating initialization code in the host MCU and avoiding startup glitches in audio or bias circuits.
For a 3.3V microcontroller system, what supply voltage range does MCP4141-502E/SN support?
MCP4141-502E/SN operates from a 1.8V to 5.5V single supply, covering both 3.3V and 5V microcontroller systems without level-shifting logic. The SPI interface accepts logic levels proportional to the supply, so a 3.3V MCU interfaces directly to the device without additional translation components.
When is MCP4141-502E/SN a better calibration solution than a mechanical trimmer in production equipment?
MCP4141-502E/SN replaces mechanical trimmers in production calibration when hundreds of units need precise, repeatable resistance settings stored digitally. Automated test equipment can write calibration values via SPI in under 1 ms, cutting calibration time per unit compared to manual trimmer adjustment, while non-volatile storage ensures values survive years of power cycling without drift.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.0700 | $1.07 |
| 100+ | $0.8100 | $81.00 |
| 1000+ | $0.7900 | $790.00 |
| 5000+ | $0.7140 | $3570.00 |
| 7500+ | $0.7120 | $5340.00 |
| 10000+ | $0.7070 | $7070.00 |
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