MCP42050-E/SL Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP42050-E/SL is a dual-channel digital potentiometer with 256 steps and 50 kΩ end-to-end resistance, controlled via 3-wire SPI interface. Available in a compact 14-pin SOIC package with 0.28 kHz bandwidth, it suits audio, instrumentation, and calibration designs. From stock worldwide with fast shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP42050-E/SL Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.2100(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 MCP42050-E/SL?
- Dual-channel digital potentiometer with 256 resistance steps and 50 kΩ end-to-end resistance for precise digital control
- 3-wire SPI serial interface up to 10 MHz for easy microcontroller integration
- Low-power SOIC-14 package with 2.7 V to 5.5 V supply range and hardware shutdown pin
What is MCP42050-E/SL used for?
The MCP42050-E/SL is well suited for programmable gain amplifiers, audio volume control, and sensor calibration circuits where digitally adjustable resistance is required. Its dual-channel SPI-controlled design makes it ideal for embedded systems needing independent adjustment of two signal paths. Common use cases include LCD contrast adjustment, filter tuning, and motor control feedback networks.
What are the specifications of MCP42050-E/SL?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-14 |
| Factory Lead Time | 7Weeks |
| YTEOL | 10 |
| Bandwidth-Nom | 0.28kHz |
| Control Interface | 3-WIRE SERIAL |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Number of Functions | 2 |
| Number of Positions | 256 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.24 |
| 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 |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.6mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Coefficient-Nom | 800ppm/°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 MCP42050-E/SL datasheet?
MCP42050-E/SL Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP42050-E/SL?
Compatible alternatives and drop-in replacements for MCP42050-E/SL:
Frequently Asked Questions
What is the end-to-end resistance and step resolution of MCP42050-E/SL?
The MCP42050-E/SL provides a 50 kΩ end-to-end resistance divided into 256 steps, giving a resolution of approximately 195 Ω per step. This level of granularity makes it suitable for precision analog adjustments in instrumentation and calibration circuits operating between 2.7 V and 5.5 V supply.
Which microcontroller interfaces are compatible with MCP42050-E/SL for SPI control?
The MCP42050-E/SL uses a standard 3-wire SPI serial interface, supporting clock speeds up to 10 MHz. It is compatible with virtually any microcontroller that has an SPI port, including PIC, AVR, ARM Cortex-M, and ESP32 families operating at 3.3 V or 5 V logic levels.
How many independent potentiometer channels does MCP42050-E/SL offer, and can they be controlled separately?
The MCP42050-E/SL integrates 2 independent potentiometer channels in a single 14-pin SOIC package. Each channel can be addressed and set independently via SPI commands, allowing separate resistance values from 0 Ω to 50 kΩ in 256 steps for dual signal path control.
Is MCP42050-E/SL suitable for battery-powered designs given its power consumption?
Yes, the MCP42050-E/SL is suitable for battery-powered applications. It operates from a supply range of 2.7 V to 5.5 V and features a hardware shutdown mode that reduces current consumption significantly, making it practical for portable instruments and IoT sensor nodes requiring low standby power.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.0700 | $3.07 |
| 25+ | $2.5600 | $64.00 |
| 100+ | $2.3400 | $234.00 |
| 1000+ | $2.2300 | $2230.00 |
| 5000+ | $2.2100 | $11050.00 |
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