MCP4252-104E/UN Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4252-104E/UN is a dual-channel digital potentiometer from Microchip Technology offering 256 wiper positions and 100 kΩ end-to-end resistance. It uses an SPI increment/decrement control interface and fits into a compact 10-pin MSOP package. Lead-free and globally available for applications requiring fine-resolution programmable resistance in portable and industrial designs.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- MCP4252-104E/UN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8270(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 MCP4252-104E/UN?
- 256-step wiper resolution across 100 kΩ delivers approximately 391 Ω per step, providing twice the resolution of 128-step pots for finer gain and offset trimming
- Dual independent channels in a 10-pin MSOP package allow simultaneous control of 2 resistive elements while occupying less than 9 mm² of PCB area
- SPI increment/decrement interface supports single-step wiper movement per command, enabling real-time user adjustment via rotary encoders or push-button interfaces without position-register reads
What is MCP4252-104E/UN used for?
The MCP4252-104E/UN is used in portable instruments and wearable devices where fine-resolution resistance adjustment across 2 independent channels is needed in a minimal footprint, replacing bulky mechanical trimmer potentiometers. Audio equipment designers employ it for stereo volume control and balance adjustment, programming both channels over a single SPI bus with matched step accuracy of 391 Ω per LSB. Industrial calibration and sensor-conditioning boards also use it to independently trim offset and gain resistors in dual-channel amplifier stages without changing hardware.
What are the specifications of MCP4252-104E/UN?
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-10 |
| Factory Lead Time | 8Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 0.1kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | S-PDSO-G10 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 257 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP10,.19,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| 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 | 0.5mm |
| Terminal Position | DUAL |
| Total Resistance-Nom | 100000Ω |
| 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 MCP4252-104E/UN datasheet?
MCP4252-104E/UN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4252-104E/UN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does MCP4252-104E/UN's 256-step resolution compare to 128-step digital pots for fine-trim voltage divider accuracy?
The MCP4252-104E/UN provides 256 wiper positions across its 100 kΩ resistance, giving approximately 391 Ω per step versus 781 Ω per step for a 128-step pot. In a voltage-divider providing a 2.5 V reference from a 5 V rail, this finer step reduces the worst-case trimming error from about 9.8 mV to roughly 4.9 mV, which matters when calibrating a 12-bit ADC whose 1 LSB equals approximately 1.2 mV at 5 V full scale.
What package does MCP4252-104E/UN use, and how does the MSOP-10 footprint benefit space-constrained dual-channel designs?
The MCP4252-104E/UN comes in a 10-pin MSOP package with a body size of approximately 3 mm x 3 mm and 0.5 mm lead pitch. Compared to a dual SOIC-8 solution (two 4.9 mm x 3.9 mm packages), the MSOP-10 reduces the combined PCB land area by roughly 65 %, freeing critical board space in handheld instruments, wearables, and compact industrial modules that require 2 independent adjustable resistors.
In a stereo audio balance control, why is MCP4252-104E/UN preferable to two separate single-channel digital pots?
The MCP4252-104E/UN integrates 2 independent 100 kΩ, 256-step digital potentiometers in a single MSOP-10 package sharing one SPI bus, so both left and right audio channels can be updated in back-to-back SPI transactions taking under 2 µs total. Using 2 separate single-channel pots doubles the chip count, requires 2 separate chip-select lines, and increases BOM cost and layout complexity, while providing no performance benefit for a stereo balance application where simultaneous tracking is the primary requirement.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.2400 | $1.24 |
| 100+ | $0.9500 | $95.00 |
| 1000+ | $0.8900 | $890.00 |
| 5000+ | $0.8370 | $4185.00 |
| 7500+ | $0.8290 | $6217.50 |
| 10000+ | $0.8270 | $8270.00 |
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