MCP4151-502E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP4151-502E/SN is a single-channel SPI digital potentiometer with 5 kΩ end-to-end resistance and 256-position wiper control in an SOIC-8 package. It features increment/decrement SPI interface with 2 kHz bandwidth for dynamic resistance adjustment. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4151-502E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7090(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 MCP4151-502E/SN?
- 5 kΩ end-to-end resistance with 256-position wiper providing fine-grained analog resistance control via SPI
- Increment/decrement SPI control interface enabling simple up/down wiper adjustment without complex command decoding
- SOIC-8 package with Pb-free RoHS-compliant construction for modern automated assembly processes
What is MCP4151-502E/SN used for?
The MCP4151-502E/SN replaces mechanical potentiometers in designs requiring programmable gain, offset trimming, or LCD contrast adjustment controlled by a microcontroller over SPI. It is widely used in audio volume control, sensor calibration, and adaptive filter circuits where repeatable digital resistance settings must be maintained across power cycles using non-volatile wiper position storage. Industrial equipment designers use it for automated test fixtures and field calibration of analog measurement channels.
What are the specifications of MCP4151-502E/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 | 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 | 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 MCP4151-502E/SN datasheet?
MCP4151-502E/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4151-502E/SN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many wiper positions does the MCP4151-502E/SN offer and what resistance range does each step represent?
The MCP4151-502E/SN provides 256 wiper positions across a 5 kΩ end-to-end resistance, giving approximately 19.5 Ω per step. This fine resolution allows precise analog control in gain-setting and calibration circuits where small resistance increments significantly affect circuit performance.
What SPI commands are used to control the MCP4151-502E/SN wiper, and how fast can the interface run?
The MCP4151-502E/SN uses increment and decrement SPI commands to move the wiper one step at a time, with the SPI interface supporting clock rates up to 10 MHz. This allows rapid wiper repositioning in dynamic applications such as active gain control or adaptive signal conditioning without introducing latency.
In a sensor calibration circuit, how does the 2 kHz bandwidth of MCP4151-502E/SN affect performance?
The MCP4151-502E/SN has a nominal 2 kHz bandwidth, which limits its use to DC and low-frequency signal conditioning applications such as offset trimming, bias setting, and slow analog loop control. For audio or higher-frequency circuits above 2 kHz, an alternative device with wider bandwidth would be needed to avoid signal attenuation.
Is MCP4151-502E/SN a drop-in replacement for a 5 kΩ mechanical trimmer potentiometer in a legacy PCB design?
The MCP4151-502E/SN can functionally replace a 5 kΩ mechanical trimmer when the PCB is redesigned to accommodate the SOIC-8 footprint and an SPI interface is available. However, its wiper resistance specification must be checked against the mechanical trimmer's contact resistance to ensure compatible performance in precision divider or sensing circuits.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.2000 | $1.20 |
| 100+ | $0.8900 | $89.00 |
| 300+ | $0.8776 | $263.28 |
| 500+ | $0.8718 | $435.90 |
| 1000+ | $0.8700 | $870.00 |
| 5000+ | $0.7090 | $3545.00 |
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