MCP4561-103E/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4561-103E/MS is a single-channel 10 kohm digital potentiometer IC by Microchip with non-volatile memory in an 8-pin MSOP package, featuring increment/decrement control interface and 1 kHz bandwidth. It retains wiper position through power cycles without battery backup. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4561-103E/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5900(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
- Non-volatile memory (NVM) retains the 10 kohm digital potentiometer wiper position through power cycles without requiring battery backup
- Increment/decrement I2C control interface providing up to 129 wiper positions for precise resistance adjustment in 8-pin MSOP package
- RoHS-compliant lead-free (Pbfree Code: Yes) construction with 6-week standard lead time for straightforward procurement
Applications
The MCP4561-103E/MS is commonly used in precision analog signal conditioning circuits where digitally adjustable resistance is needed for gain, offset, or filtering tuning without mechanical potentiometers. Its non-volatile memory makes it ideal for calibration circuits in industrial sensors, LCD display contrast controls, and audio volume controls that must retain their setting after power-off. It is also deployed in programmable power supplies and bias adjustment circuits where repeatable, firmware-controlled resistance values are critical.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Additional Feature | NON-VOLATILE MEMORY |
| Bandwidth-Nom | 1kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 257 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 5.5V |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.6mA |
| Supply Voltage-Nom | 2.7V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the MCP4561-103E/MS retain its resistance setting when power is removed?
The MCP4561-103E/MS uses on-chip non-volatile memory (NVM) to store the current wiper position of the 10 kohm digital potentiometer. When power is restored, the wiper automatically returns to the last saved position without any microcontroller intervention, making it reliable for calibration and bias circuits that must maintain their settings across power cycles.
How many discrete resistance steps does the MCP4561-103E/MS provide, and what is the end-to-end resistance?
The MCP4561-103E/MS provides up to 129 wiper positions across its 10 kohm end-to-end resistance, giving a step resolution of approximately 78 ohms per step. This granularity is sufficient for gain trimming in op-amp circuits, LCD contrast adjustment, and analog bias control where coarse mechanical potentiometers introduce unacceptable variability.
For a board-space-constrained industrial sensor calibration design, what package advantages does the MCP4561-103E/MS offer?
The MCP4561-103E/MS is housed in an 8-pin MSOP package, which has a footprint of approximately 3 mm x 3 mm — significantly smaller than standard SOIC-8 packages. This compact size enables integration of the digital potentiometer directly adjacent to the sensing element on dense PCBs, reducing parasitic trace resistance that could affect calibration accuracy.
What control interface does the MCP4561-103E/MS use, and how does it simplify firmware integration?
The MCP4561-103E/MS uses an I2C increment/decrement control interface, requiring only 2 GPIO lines (SCL and SDA) on the host microcontroller. The simple command set — increment, decrement, and write — allows integration with minimal firmware overhead, and the 1 kHz bandwidth is well matched to slow-varying calibration and bias adjustment applications in industrial and consumer electronics.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.2100 | $1.21 |
| 25+ | $0.7320 | $18.30 |
| 50+ | $0.6990 | $34.95 |
| 89+ | $0.6454 | $57.44 |
| 100+ | $0.6100 | $61.00 |
| 1000+ | $0.5900 | $590.00 |
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