MCP4151-103E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP4151-103E/SN is a single-channel 10 kOhm digital potentiometer in SOIC-8 package with SPI-compatible increment/decrement interface. Provides 256-position wiper resolution and operates from 1.8 V to 5.5 V. Available from stock worldwide with fast shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4151-103E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8718(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 MCP4151-103E/SN?
- Single-channel 10 kOhm end-to-end resistance with 256 wiper positions for fine analog adjustment via SPI interface
- Ultra-wide 1.8 V to 5.5 V supply range enabling direct integration with 3.3 V and 5 V mixed-signal systems
- Non-volatile wiper position storage retains last setting through power cycles without an external EEPROM
What is MCP4151-103E/SN used for?
MCP4151-103E/SN serves as a digitally controlled resistance element in audio volume controls, LCD bias adjustment circuits, and programmable gain amplifiers operating from 1.8 V to 5.5 V rails. Its SPI increment/decrement interface integrates seamlessly with microcontrollers such as PIC and AVR families, enabling closed-loop calibration routines. Industrial test equipment and sensor offset trimming applications benefit from its 256-position resolution and compact SOIC-8 footprint.
What are the specifications of MCP4151-103E/SN?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 1kHz |
| 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 | 10000Ω |
| 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 MCP4151-103E/SN datasheet?
MCP4151-103E/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4151-103E/SN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What end-to-end resistance and wiper resolution does MCP4151-103E/SN provide?
The MCP4151-103E/SN offers a nominal end-to-end resistance of 10 kOhm with 256 individual wiper positions, yielding a step resolution of approximately 39 Ohm per step. This fine granularity makes it suitable for precise analog trimming in gain-setting networks, audio equalizers, and sensor calibration circuits operating across its 1.8 V to 5.5 V supply range.
How does the SPI increment/decrement interface of MCP4151-103E/SN simplify firmware integration?
The device uses a simple 2-wire SPI-compatible increment/decrement command set, requiring only CS, SCK, and SI signals, which reduces GPIO pin usage compared to full-address digital potentiometers. Firmware can advance or retract the wiper in single steps, allowing real-time analog adjustments at up to 1 kHz bandwidth without complex register addressing in 8-bit microcontroller applications.
Which system supply voltages are compatible with MCP4151-103E/SN for mixed 3.3 V and 5 V designs?
MCP4151-103E/SN operates from 1.8 V to 5.5 V, making it directly compatible with 3.3 V LVTTL systems, 5 V CMOS logic, and 1.8 V low-power microcontrollers without level translators. The SOIC-8 package with 3.90 mm body width fits standard 8-pin footprints, enabling drop-in replacement in existing PCB layouts with no routing changes.
In what scenarios is MCP4151-103E/SN preferred over a fixed resistor divider for bias trimming?
MCP4151-103E/SN is preferred when bias trim values must be adjusted in production without physical component changes, such as in LCD backlight contrast tuning at specific temperature ranges from -40°C to +125°C. Its 256-position resolution allows automated calibration routines to compensate for component tolerances, cutting manual trimming labor in high-volume manufacturing of consumer electronics and industrial sensor modules.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.2000 | $1.20 |
| 25+ | $1.1000 | $27.50 |
| 50+ | $1.0400 | $52.00 |
| 100+ | $0.8900 | $89.00 |
| 300+ | $0.8776 | $263.28 |
| 500+ | $0.8718 | $435.90 |
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