MCP4241-503E/SL Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4241-503E/SL is a dual-channel, 128-step, 50 kOhm SPI digital potentiometer from Microchip in a 14-pin SOIC package. It provides non-volatile wiper position storage and an increment/decrement control interface for precise resistance adjustment. Available worldwide with reliable lead times.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP4241-503E/SL Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9390(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 independent 128-step digital potentiometers with 50 kOhm end-to-end resistance for precise analog control
- Non-volatile wiper position memory retains resistance setting through power cycles without external EEPROM
- SPI increment/decrement interface allows single-step or multi-step wiper adjustment with up to 10 MHz clock
Applications
The MCP4241-503E/SL is used in audio equipment for volume and tone control, in sensor conditioning circuits for calibration trim of gain and offset, and in power supply designs for output voltage adjustment via a microcontroller SPI bus. Its dual-channel architecture supports simultaneous adjustment of two independent 50 kOhm resistance paths, making it suitable for stereo audio or multi-channel signal conditioning. Non-volatile storage of wiper positions ensures consistent operation after power cycling in set-and-forget calibration applications.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-14 |
| Factory Lead Time | 8Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 0.2kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 257 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.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 |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Total Resistance-Nom | 50000Ω |
| 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 | 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 MCP4241-503E/SL offer, and what is the resolution per step?
The MCP4241-503E/SL provides 128 wiper steps across a 50 kOhm end-to-end resistance, giving a resolution of approximately 390 ohms per step. This fine granularity enables precise analog adjustment in audio volume control, gain trimming, and calibration circuits controlled via an SPI bus.
For a battery-powered sensor node, why is the non-volatile wiper feature of MCP4241-503E/SL valuable?
In a battery-powered sensor node, the MCP4241-503E/SL's non-volatile memory stores the 128-step wiper position through power-off and power-on cycles without requiring the host MCU to re-send calibration data at startup. This reduces initialization time and ensures the 50 kOhm resistance value is immediately correct upon power-up, saving both code complexity and current consumption.
What is the operating supply voltage range of the MCP4241-503E/SL?
The MCP4241-503E/SL operates from a supply voltage of 1.8 V to 5.5 V, accommodating both 3.3 V and 5 V microcontroller systems. This wide voltage range makes it compatible with low-power IoT designs running at 1.8 V as well as legacy 5 V industrial systems without requiring level translation.
How does the dual-channel design of MCP4241-503E/SL compare to a single-channel potentiometer for stereo audio applications?
The dual-channel MCP4241-503E/SL replaces two separate single-channel digital potentiometers in stereo audio paths, saving PCB space by integrating two independent 50 kOhm, 128-step wipers in a single 14-pin SOIC-14 package. Both channels share the SPI bus but can be addressed independently, allowing synchronized or asymmetric left-right volume control from a single chip.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.3100 | $1.31 |
| 100+ | $1.0600 | $106.00 |
| 1000+ | $1.0200 | $1020.00 |
| 5000+ | $1.0100 | $5050.00 |
| 5016+ | $0.9480 | $4755.17 |
| 7524+ | $0.9390 | $7065.04 |
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