MCP4261-103E/SL Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4261-103E/SL is a dual-channel, 257-step, 10 kOhm SPI digital potentiometer from Microchip in a 14-pin SOIC package. It features non-volatile wiper memory, 1 kHz bandwidth, and an SPI increment/decrement interface for fine analog adjustment. Available worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP4261-103E/SL Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1700(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 MCP4261-103E/SL?
- Dual-channel 257-step digital potentiometer with 10 kOhm end-to-end resistance for high-resolution analog control
- Non-volatile wiper position storage retains resistance settings through power cycles without host MCU intervention
- SPI increment/decrement interface with 1 kHz bandwidth in a 14-pin SOIC for precise signal conditioning applications
What is MCP4261-103E/SL used for?
The MCP4261-103E/SL is used in analog gain control, active filter tuning, and calibration trim circuits where a microcontroller adjusts a 10 kOhm resistance across 257 discrete steps via SPI. Its dual-channel design suits stereo audio level control, dual-axis sensor offset trimming, and multi-channel power supply voltage adjustment in a single 14-pin SOIC footprint. Non-volatile wiper retention makes it ideal for set-and-forget calibration in industrial sensors, medical devices, and consumer electronics requiring consistent performance after power cycling.
What are the specifications of MCP4261-103E/SL?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-14 |
| Factory Lead Time | 7Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 1kHz |
| 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 | 10000Ω |
| 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 MCP4261-103E/SL datasheet?
MCP4261-103E/SL Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4261-103E/SL?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 257-step resolution of MCP4261-103E/SL compare to the 128-step MCP4241, and when should each be chosen?
The MCP4261-103E/SL offers 257 steps across 10 kOhm, giving a step size of approximately 39 ohms, compared to the MCP4241's 128 steps at 50 kOhm (approximately 390 ohms per step). Choose the MCP4261 when fine-grained resolution is needed for precision gain trimming or active filter tuning; choose the MCP4241 when higher total resistance and lower resolution are acceptable for volume control or coarse offset adjustment.
What is the bandwidth specification of MCP4261-103E/SL and how does it affect AC signal applications?
The MCP4261-103E/SL has a nominal bandwidth of 1 kHz, which limits its use in AC signal paths to low-frequency applications such as audio sub-bass equalization, DC to low-frequency active filter adjustment, and quasi-static gain control. For higher-frequency signal paths above 1 kHz, a wider-bandwidth digital potentiometer with 100 kHz or higher bandwidth should be selected instead.
How does MCP4261-103E/SL's non-volatile memory benefit a calibrated industrial sensor transmitter?
In a calibrated 4-20 mA industrial sensor transmitter, the MCP4261-103E/SL stores the trimmed 257-step wiper position in non-volatile memory, so the calibration offset and gain remain correct after power interruptions. This eliminates the need for an external EEPROM to save calibration data and avoids a factory recalibration procedure after power cycling in the field.
What supply voltage range does MCP4261-103E/SL support, and does it work at 3.3 V?
The MCP4261-103E/SL operates from a supply voltage of 1.8 V to 5.5 V, fully supporting 3.3 V microcontroller systems without level translation. At 3.3 V, the SPI interface is compatible with standard logic levels and the 10 kOhm, 257-step wiper operates within specification across the -40°C to 125°C extended temperature range.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.6000 | $1.60 |
| 10+ | $1.4700 | $14.70 |
| 25+ | $1.4200 | $35.50 |
| 100+ | $1.2300 | $123.00 |
| 116+ | $1.2000 | $139.20 |
| 1000+ | $1.1700 | $1170.00 |
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