MCP4261-503E/SL Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4261-503E/SL is a dual-channel SPI-controlled digital potentiometer from Microchip with 256 resistance steps and a 50 kΩ end-to-end resistance. Housed in a 14-pin SOIC package, it features non-volatile memory to retain wiper position through power cycles, making it ideal for programmable gain, offset, and bias adjustment in precision analog circuits.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP4261-503E/SL Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1600(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP4261-503E/SL?
- Dual independent channels each with 256 wiper positions for fine-grained resistance control
- 50 kΩ end-to-end resistance with SPI increment/decrement interface for digital adjustment
- Non-volatile EEPROM stores wiper position across power cycles without external memory
- 14-pin SOIC package enabling straightforward PCB placement in standard analog designs
- Single-supply operation from 1.8 V to 5.5 V for compatibility with diverse system voltages
- Low wiper resistance of typically 75 Ω minimizing insertion loss in signal paths
What is MCP4261-503E/SL used for?
The MCP4261-503E/SL is widely used in programmable gain amplifier circuits, sensor calibration systems, and audio volume control applications where mechanical potentiometers must be replaced with digitally adjustable equivalents. Its dual-channel design and non-volatile wiper memory make it a strong fit for instrumentation calibration and bias trimming in industrial and consumer electronics that require settings retention after power loss.
What are the specifications of MCP4261-503E/SL?
| 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 |
Where can I find the MCP4261-503E/SL datasheet?
MCP4261-503E/SL Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4261-503E/SL?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many resistance steps does the MCP4261-503E/SL offer, and what does that mean for resolution in a voltage-divider configuration?
The MCP4261-503E/SL provides 256 wiper positions across a 50 kΩ end-to-end resistance, yielding a step size of approximately 196 Ω per increment. In a voltage-divider configuration powered from 5 V, each step represents roughly 19.5 mV of output resolution, which is sufficient for fine-tuning bias voltages and calibration offsets in 8-bit to 10-bit precision systems.
Does the MCP4261-503E/SL retain its wiper position after a power cycle, and what technology enables this?
Yes, the MCP4261-503E/SL uses internal EEPROM (non-volatile memory) to store the wiper position of both channels independently. After a power cycle, the device restores the saved setting automatically without any host MCU intervention, making it ideal for calibration circuits in instruments that must retain factory-trimmed values indefinitely.
For a dual-channel programmable gain amplifier operating from a 3.3 V rail, how suitable is the MCP4261-503E/SL?
The MCP4261-503E/SL is well suited to 3.3 V single-supply designs because it operates from 1.8 V to 5.5 V. With 256 steps per channel and a 50 kΩ full-scale resistance, designers can set distinct gain values on each of the 2 channels independently via SPI, simplifying dual-stage amplifier designs in sensor front-ends and audio preprocessing circuits.
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