MCP4552-103E/MF Microchip Integrated Circuit (Small Outline No-lead) In Stock
Microchip MCP4552-103E/MF is a single-channel, 8-bit I2C digital potentiometer with 257 wiper positions and 10 kΩ end-to-end resistance in a compact 8-pin DFN (small-outline no-lead) package. It uses an increment/decrement I2C control interface for precision resistance adjustment in analog circuits. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4552-103E/MF Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 257 wiper positions (8-bit resolution) over a 10 kΩ end-to-end resistance provide fine-grained, software-controlled resistance adjustment for precision analog tuning
- I2C increment/decrement interface with volatile memory enables dynamic real-time gain, offset, and bias trimming from any microcontroller with a 2-wire bus
- Compact 8-pin DFN (small-outline no-lead) package minimizes PCB footprint for space-constrained sensor, audio, and power management applications
Applications
The MCP4552-103E/MF is used for software-controlled gain and offset adjustment in sensor signal conditioning circuits, audio volume controls, and LCD display contrast tuning where a mechanical potentiometer would be impractical. Its I2C interface allows a microcontroller to dynamically adjust the 10 kΩ resistance in real time across 257 steps, enabling adaptive filtering, calibration, and closed-loop control. Engineers also deploy this digital pot in power-management circuits for programmable LED current limiting and voltage divider tuning in battery-powered and industrial designs.
Specifications
| YTEOL | 6.7 |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | S-PDSO-N8 |
| Number of Functions | 1 |
| Number of Positions | 257 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.12,25 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE |
| Qualification Status | Not Qualified |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 5.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Total Resistance-Nom | 10000Ω |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP4552-103E/MF:
Digital Potentiometer, 1 Func, 100000ohm, 2-wire Serial Control Interface, 257 Positions, CMOS, PDSO8
Frequently Asked Questions
What resolution and resistance range does the MCP4552-103E/MF digital potentiometer offer?
The MCP4552-103E/MF provides 257 wiper positions (8-bit resolution) across a 10 kΩ end-to-end resistance, giving a step size of approximately 39 Ω per increment. This resolution suits precision analog tuning tasks such as gain adjustment, offset trimming, and programmable voltage division in sensor and communication circuits.
How does the I2C increment/decrement interface of MCP4552-103E/MF differ from SPI-controlled digital potentiometers?
Unlike SPI potentiometers that typically accept a full 8-bit position word over 3 or 4 wires, the MCP4552-103E/MF uses a 2-wire I2C bus with increment and decrement commands to step the wiper one position at a time. This is simpler for fine-tuning applications but requires more bus transactions to move the wiper across the full 257-step range compared to a single SPI write.
Does the MCP4552-103E/MF retain its wiper position after power is removed?
No — the MCP4552-103E/MF uses volatile (RAM-based) wiper memory, meaning the position resets to a default value on power-up. Designs that need the potentiometer to recall its last position across power cycles should use the MCP4562 or similar variant with non-volatile EEPROM wiper storage instead of volatile-memory versions.
What PCB footprint does the MCP4552-103E/MF use and how compact is it compared to through-hole potentiometers?
The MCP4552-103E/MF comes in an 8-pin DFN (small-outline no-lead) package with a very small footprint, typically around 3 mm × 3 mm or smaller, compared to through-hole trimmers that occupy 10 mm × 10 mm or more. This makes it over 10 times smaller in PCB area, enabling high-density designs in wearables, portable instruments, and IoT sensor nodes.
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