MCP4131-104E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip MCP4131-104E/P is a single-channel 100 kΩ SPI digital potentiometer with 128-step resolution in an 8-pin DIP package, offering increment/decrement control interface for programmable resistance adjustment in embedded and industrial control systems.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4131-104E/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6530(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
- 100 kΩ end-to-end resistance with 128 wiper positions for fine programmable adjustment
- SPI increment/decrement control interface enabling direct microcontroller integration without DAC
- 8-pin DIP-8 (PDIP-8) through-hole package for prototyping and breadboard-friendly development
- Single-supply operation with RoHS-compliant Pb-free construction meeting JESD-609 e3 requirements
- 9-year YTEOL availability horizon supporting long-lifecycle embedded product designs
Applications
The MCP4131-104E/P is used in embedded systems and microcontroller-based designs that require digitally controlled resistance adjustment, such as programmable gain amplifiers, tunable filters, and LCD contrast or backlight control. It connects directly to SPI buses on microcontrollers like PIC, AVR, or ARM devices, enabling software-controlled calibration and trimming without manual potentiometer access. Its through-hole DIP-8 package makes it a practical choice for prototyping boards, educational kits, and industrial controllers that favor traditional PCB assembly.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 0.1kHz |
| 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 | 100000Ω |
| 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 the MCP4131-104E/P provide and over what range?
The MCP4131-104E/P offers 128 wiper positions spanning a 100 kΩ end-to-end resistance, giving approximately 781 Ω per step. This resolution is sufficient for most programmable gain, trimming, and calibration tasks in industrial sensor interfaces and analog signal conditioning circuits.
What interface does the MCP4131-104E/P use and how does it connect to a microcontroller?
The device uses an SPI-compatible increment/decrement control interface with chip-select, clock, and data lines. It connects directly to standard SPI ports on virtually any microcontroller using only 3 to 4 signal lines, requiring no additional level translation when powered from a matching supply voltage.
For a programmable-gain amplifier design, how does 100 kΩ total resistance affect op-amp feedback network performance?
A 100 kΩ digital potentiometer in an op-amp feedback divider sets gain range without bulky fixed resistor arrays. At 128 steps, the gain resolution per step is determined by the specific network topology, but even at full 100 kΩ the bandwidth constraint of 0.1 kHz means MCP4131-104E/P suits DC-to-audio-frequency gain trimming rather than high-speed amplification.
Is MCP4131-104E/P available for long-term industrial supply, and what is its lead time?
The MCP4131-104E/P carries a YTEOL (years to end-of-life) rating of 9, indicating sustained availability from Microchip through the near decade. Standard factory lead time is 8 weeks, so designs with volume production requirements should plan safety stock or blanket orders to avoid procurement gaps during peak demand periods.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9600 | $0.96 |
| 25+ | $0.8000 | $20.00 |
| 100+ | $0.7300 | $73.00 |
| 1000+ | $0.6900 | $690.00 |
| 5000+ | $0.6800 | $3400.00 |
| 5040+ | $0.6530 | $3291.12 |
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