MCP4241-103E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The MCP4241-103E/P is a dual-channel 10 kΩ digital potentiometer from Microchip with SPI increment/decrement control and non-volatile memory for wiper position retention. It offers 128-step resolution and is housed in a 14-pin PDIP package for easy prototyping.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP4241-103E/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2526(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
- Dual-channel 10 kΩ digital potentiometer with 128-step resolution, allowing precise programmatic resistance adjustment without mechanical wear
- SPI increment/decrement control interface with non-volatile memory retaining wiper position across power cycles, eliminating recalibration on startup
- 14-pin PDIP package enabling direct breadboard and through-hole PCB prototyping with standard 2.54 mm pitch for rapid development
Applications
The MCP4241-103E/P is widely used in audio equipment for digitally controlled volume and tone adjustment, where its 128-step resolution provides smooth, click-free level control via a microcontroller SPI bus. It fits industrial calibration systems requiring repeatable, software-settable reference voltages or gain settings that persist after power-off thanks to non-volatile wiper storage. Its dual-channel design also makes it suitable for LCD contrast and backlight brightness control in embedded display systems.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-14 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 1kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDIP-T14 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 257 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.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) |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the end-to-end resistance of MCP4241-103E/P and how many wiper steps does it provide?
The MCP4241-103E/P has a 10 kΩ end-to-end resistance with 128 wiper steps, giving a step resolution of approximately 78 Ω per increment, which is fine enough for precise gain, volume, or voltage-divider adjustments in analog signal chain designs.
How does the non-volatile memory in MCP4241-103E/P benefit an industrial calibration instrument?
The non-volatile memory stores the last programmed wiper position so that after a power cycle the MCP4241-103E/P resumes at the same resistance value without any SPI re-initialization, saving calibration time and ensuring consistent instrument readings immediately at power-on across 100+ calibration channels.
Which SPI control method does MCP4241-103E/P use to move the wiper position?
The MCP4241-103E/P uses an increment/decrement SPI command set, allowing the host MCU to step the wiper up or down one position at a time or write an absolute 7-bit value (0–127) directly, covering the full 10 kΩ range in 128 discrete steps within microseconds.
When would MCP4241-103E/P be chosen over a single-channel digital potentiometer for an audio design?
When stereo audio control is needed, the dual-channel MCP4241-103E/P handles both left and right channel volume simultaneously from a single 14-pin PDIP package, cutting component count and PCB area in half compared to using two separate single-channel 8-pin devices.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.2526 | $0.25 |
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