MCP4231-103E/SL Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP4231-103E/SL is a dual-channel 10 kΩ digital potentiometer with 129 wiper positions and SPI interface in a 14-pin SOIC package. It supports increment/decrement control and operates with 1 kHz nominal bandwidth. From $1.00, in stock, worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP4231-103E/SL Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8500(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 MCP4231-103E/SL?
- Dual-channel 10 kΩ digital potentiometer with 129 wiper positions for fine 7-bit resistance adjustment via SPI
- SPI increment/decrement control interface enables simple step-by-step resistance changes without full register writes
- 14-pin SOIC-14 package provides easy PCB integration for two independent digitally controlled resistance channels
What is MCP4231-103E/SL used for?
The MCP4231-103E/SL is used in audio volume control, display brightness adjustment, and sensor calibration circuits requiring software-controlled resistance. Its dual-channel design allows independent control of two signal paths in a single IC, reducing BOM count in mixed-signal systems. It also fits gain-setting feedback networks in instrumentation amplifiers and PID loop tuning applications.
What are the specifications of MCP4231-103E/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 MCP4231-103E/SL datasheet?
MCP4231-103E/SL Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4231-103E/SL?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many resistance steps does the MCP4231-103E/SL provide and what is the end-to-end resistance?
The MCP4231-103E/SL offers 129 wiper positions (7-bit resolution) across a 10 kΩ end-to-end resistance, giving each step approximately 78 Ω of resolution, which is sufficient for most audio gain and sensor calibration applications requiring fine analog adjustments.
How does the SPI increment/decrement control interface simplify firmware integration compared to a full 8-bit write?
Rather than writing an absolute 7-bit value over SPI, the increment/decrement command advances the wiper by 1 step per command, which reduces firmware complexity and allows smooth ramp-up or ramp-down of resistance across both channels independently with minimal code.
For a dual-channel audio preamplifier, how does the MCP4231-103E/SL compare in package size to using two single-channel 10 kΩ pots?
The SOIC-14 package integrates both 10 kΩ channels in roughly 8.65 mm x 3.9 mm board area, replacing two discrete single-channel packages and cutting PCB footprint nearly in half while sharing a single SPI bus with chip-select decoding.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.2000 | $1.20 |
| 100+ | $0.8900 | $89.00 |
| 1000+ | $0.8700 | $870.00 |
| 5000+ | $0.8500 | $4250.00 |
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