MCP4151-503E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP4151-503E/SN is a single-channel 50 kΩ SPI digital potentiometer with 256-step resolution in an 8-pin SOIC package. Features volatile wiper memory and increment/decrement control interface. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4151-503E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7930(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 MCP4151-503E/SN?
- Single-channel 50 kΩ digital potentiometer with 256-step resolution controlled via SPI increment/decrement interface
- Volatile wiper register in compact 8-pin SOIC package for low-cost resistance adjustment in analog signal paths
- 2.7V to 5.5V supply range enabling integration with both 3.3V and 5V microcontroller systems
What is MCP4151-503E/SN used for?
The MCP4151-503E/SN is used in audio volume controls, programmable gain amplifiers, and sensor calibration circuits that require software-controlled resistance adjustment from 50Ω to 50 kΩ in 256 discrete steps. Its SPI interface allows direct control from any microcontroller with a hardware or bit-banged SPI port, reducing the need for external trim potentiometers. The small SOIC-8 footprint enables compact analog front-end designs in industrial and consumer electronics.
What are the specifications of MCP4151-503E/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 | 257 |
| 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 MCP4151-503E/SN datasheet?
MCP4151-503E/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4151-503E/SN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What end-to-end resistance and step resolution does MCP4151-503E/SN offer for programmable gain circuits?
The MCP4151-503E/SN provides a 50 kΩ end-to-end resistance with 256 wiper steps, giving approximately 195 Ω per step. This resolution is sufficient for audio gain trimming and sensor offset calibration where fine analog adjustment is needed across the full 50 kΩ range without manual potentiometer access.
Which SPI communication modes does MCP4151-503E/SN support and at what maximum clock speed?
The MCP4151-503E/SN supports SPI modes 0,0 and 1,1, operating at clock frequencies up to 10 MHz. This allows fast register updates in real-time control loops while remaining compatible with standard SPI peripherals on 3.3V and 5V microcontrollers used in industrial and consumer designs.
When would MCP4151-503E/SN be chosen over a mechanical trimmer potentiometer in a production design?
MCP4151-503E/SN is preferred when calibration must be performed after PCB assembly, for example when trimming sensor offsets or audio levels digitally via SPI from a host MCU. Eliminating the mechanical trimmer removes a failure-prone component, and the 50 kΩ range with 256 steps covers typical 0.4% resolution requirements for most production calibration workflows.
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About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.2000 | $1.20 |
| 100+ | $0.8900 | $89.00 |
| 1000+ | $0.8700 | $870.00 |
| 5000+ | $0.8000 | $4000.00 |
| 7500+ | $0.7980 | $5985.00 |
| 10000+ | $0.7930 | $7930.00 |
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