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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
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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| 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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