MCP4131-103E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
MCP4131-103E/P is a single-channel 8-bit SPI digital potentiometer with 128 steps and 10kΩ end-to-end resistance offering increment/decrement control in a through-hole PDIP-8 package with 1kHz bandwidth. Key specs include volatile wiper storage and 2.7V to 5.5V supply range. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4131-103E/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5300(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel 10kΩ digital potentiometer with 128-step resolution via SPI increment/decrement control for precise software-adjustable resistance
- 1kHz bandwidth and volatile wiper position in PDIP-8 through-hole package enabling easy prototyping and breadboard development
- 2.7V to 5.5V supply voltage compatibility allowing use with both 3.3V and 5V microcontroller systems without level translation
Applications
MCP4131-103E/P suits audio volume and tone control circuits, LCD contrast adjustment, and programmable biasing in op-amp stages where a software-controlled 10kΩ resistance with 128 steps simplifies calibration. Its PDIP-8 through-hole package is particularly practical for development boards, educational kits, and low-volume prototypes requiring easy hand-soldering or breadboard insertion.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 1kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 129 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| 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 | NO |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Total Resistance-Nom | 10000Ω |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many resistance steps does MCP4131-103E/P provide over its 10kΩ range and what step resolution does this yield?
MCP4131-103E/P provides 128 wiper positions across its 10kΩ end-to-end resistance, giving a nominal step size of approximately 78Ω per increment. This 7-bit resolution is sufficient for audio volume control, LCD contrast tuning, and sensor offset calibration where smooth incremental adjustment is required without the need for 256-step 8-bit precision.
Which supply voltage range does MCP4131-103E/P support and how does this affect compatibility with different microcontroller platforms?
MCP4131-103E/P operates from 2.7V to 5.5V, making it directly compatible with 3.3V ARM Cortex-M or PIC microcontrollers and 5V AVR or PIC8 systems without requiring a level shifter or separate power rail. This dual-voltage compatibility simplifies BOM and schematic design in mixed-voltage development environments and reduces component count in production hardware.
When is MCP4131-103E/P a practical choice over its SOIC-packaged equivalent for a design engineer?
MCP4131-103E/P in PDIP-8 through-hole format is preferred over SOIC variants during prototyping, benchtop evaluation, and educational lab settings where breadboard insertion and hand-soldering are required. For designs using 10kΩ resistance with 128 steps and 1kHz bandwidth that do not require compact SMT layout, the PDIP-8 package reduces rework risk and allows easy replacement or swap during iterative circuit development.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.5300 | $0.53 |
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