MCP4141-503E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP4141-503E/SN is a single-channel SPI digital potentiometer with 128 wiper positions and a 50 kOhm end-to-end resistance in a SOIC-8 package. It supports volatile wiper position storage and operates from 1.8 V to 5.5 V supply. Available from stock worldwide with fast shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4141-503E/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 MCP4141-503E/SN?
- Single-channel 128-step digital potentiometer with 50 kOhm end-to-end resistance controlled via SPI up-down interface
- Wide 1.8 V to 5.5 V supply range with non-volatile wiper position storage option in compatible variants
- SOIC-8 package with 1.27 mm pitch enables easy SMT assembly and replaces mechanical potentiometers in space-constrained designs
What is MCP4141-503E/SN used for?
The MCP4141-503E/SN is used in programmable gain amplifiers, automatic calibration circuits, and LCD contrast adjustment systems where mechanical potentiometers are impractical due to vibration or remote control requirements. Its SPI increment/decrement interface allows a microcontroller to adjust the wiper position in 128 discrete steps across the 50 kOhm range without manual tuning. Industrial process control boards and audio equipment volume controls also benefit from its stable low-noise resistance output.
What are the specifications of MCP4141-503E/SN?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 8Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 0.2kHz |
| 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 | 50000Ω |
| 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 MCP4141-503E/SN datasheet?
MCP4141-503E/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4141-503E/SN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many wiper positions does MCP4141-503E/SN provide, and what resistance per step does that yield across the 50 kOhm range?
The MCP4141-503E/SN offers 128 wiper positions across a 50 kOhm end-to-end resistance, giving a step resolution of approximately 390 ohms per step. This resolution suits gain trimming in analog signal chains where fine adjustment over a wide range is needed without the mechanical wear of a conventional trimmer potentiometer.
Which control interface does MCP4141-503E/SN use, and how does that differ from the address-based I2C variant?
The MCP4141-503E/SN uses an SPI increment/decrement interface where the host sends UP or DOWN commands to move the wiper one step at a time from its current position. The I2C variant (MCP4141-503E/SL) uses an addressable serial bus allowing multiple potentiometers on 2 wires, while the SPI variant requires individual chip selects but achieves higher clock rates up to 10 MHz.
Can MCP4141-503E/SN retain its wiper setting after a power cycle, and what is the alternative for non-volatile storage?
The MCP4141-503E/SN stores the wiper position only in volatile RAM, so it resets to the mid-scale position of 64 steps (approximately 25 kOhm) after a power cycle. For non-volatile wiper retention across power cycles, Microchip offers the MCP4141 variant with EEPROM storage, which maintains the last programmed position through up to 100,000 write cycles.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9760 | $0.98 |
| 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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