MCP4241-104E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip MCP4241-104E/P is a dual-channel 100 kΩ digital potentiometer with 129 wiper positions and non-volatile memory, featuring an SPI-compatible serial interface in an 8-pin PDIP package. It supports 2.7 V to 5.5 V operation and is suited for precision calibration, gain control, and voltage adjustment circuits.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP4241-104E/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0100(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 100 kΩ end-to-end resistance with 129 linear wiper positions
- Non-volatile memory stores wiper settings across power cycles
- SPI-compatible interface for fast 10 MHz microcontroller communication
- Wide 2.7 V to 5.5 V supply voltage range
- 8-pin PDIP package for through-hole prototyping and development
- Increment/Decrement and direct-write wiper control modes
- 0.1 kHz bandwidth for DC and low-frequency trimmer applications
Applications
MCP4241-104E/P is widely used in calibration circuits, programmable gain amplifiers, and DC bias adjustment stages where a software-settable 100 kΩ resistance must survive power interruptions through non-volatile wiper storage. It is also found in industrial sensor conditioning boards, LCD brightness control, and prototyping setups where the through-hole PDIP package simplifies breadboard or DIP socket assembly.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-14 |
| Factory Lead Time | 7Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 0.1kHz |
| 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 | 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 does the 100 kΩ resistance and 129-step resolution affect gain-setting accuracy in op-amp circuits?
With 129 wiper positions across 100 kΩ, each step is approximately 787 Ω, giving fine control over inverting and non-inverting gain networks built around standard op-amps. This resolution is sufficient for most analog calibration and offset-trim applications where gain error below 1% is acceptable.
Does the non-volatile memory in MCP4241-104E/P allow factory calibration that persists in the field?
Yes. Both wiper positions are stored in onboard non-volatile memory and restored automatically at each power-up, so a 100 kΩ resistance value programmed during factory test remains active in the field without firmware overhead. This reduces boot-time initialization code and eliminates dependency on external EEPROM for storing calibration data.
What SPI clock speed does MCP4241-104E/P support, and is it compatible with 3.3 V MCU logic?
MCP4241-104E/P supports SPI clock rates up to 10 MHz and accepts logic levels compatible with both 3.3 V and 5 V MCU outputs when VDD is 3.3 V or 5 V respectively. This makes it straightforward to interface with PIC, AVR, or ARM microcontrollers without additional level translators.
When should a designer choose MCP4241-104E/P over MCP4241-503E/P in a 100 kΩ vs 50 kΩ application?
MCP4241-104E/P uses a 100 kΩ end-to-end resistance, making it the right choice when high-impedance voltage-divider networks or high-gain feedback loops require large resistance values to minimize current draw. The MCP4241-503E/P with 50 kΩ is preferred when lower impedance at the wiper node is needed to reduce noise susceptibility.
Is the PDIP-8 package of MCP4241-104E/P suitable for long-production-run industrial boards?
The PDIP-8 package suits prototyping and low-volume industrial boards using through-hole assembly, offering easy replacement and socketing. For high-volume or compact industrial designs, Microchip also offers MCP4241 in TSSOP-14 and QFN-16 surface-mount packages that reduce PCB area and improve automated assembly throughput.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.5100 | $1.51 |
| 30+ | $1.2700 | $38.10 |
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| 1000+ | $1.1000 | $1100.00 |
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