MCP4461-104E/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The MCP4461-104E/ML is a quad-channel, 100 kΩ digital potentiometer with 257 positions per channel, non-volatile memory for wiper setting retention, and an I2C 2-wire serial interface in a 20-pin QFN package. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- MCP4461-104E/ML 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
- Quad independent 100 kΩ digital potentiometer channels with 257 linear steps each for fine resolution adjustment
- Non-volatile memory (NVM) retains wiper positions across power cycles without requiring host microcontroller intervention
- 2-wire I2C serial interface in a compact 20-pin QFN package simplifies board integration and reduces GPIO usage
Applications
The MCP4461-104E/ML is ideal for programmable gain control, offset calibration, and voltage reference trimming in precision analog front-end circuits where settings must survive power cycling. Its four independent 100 kΩ channels serve multi-axis sensor conditioning boards, audio balance/volume controls, and LCD contrast adjustment in embedded systems. The compact 20-pin QFN footprint suits space-constrained industrial and consumer IoT designs requiring non-volatile tuning.
Specifications
| Manufacturer Package Code | QFN-20 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Additional Feature | NON VOLATILE MEMORY |
| Bandwidth-Nom | 0.1kHz |
| Control Interface | 2-WIRE SERIAL |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | S-PQCC-N20 |
| JESD-609 Code | e3 |
| Number of Functions | 4 |
| Number of Positions | 257 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC20,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Resistance Law | LINEAR/LOGARITHMIC |
| 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 | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Total Resistance-Nom | 100000Ω |
| Package | Quad Flat No-Lead |
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 MCP4461-104E/ML:
suggested
suggested
suggested
suggested
Digital Potentiometer, 4 Func, 10000ohm, 2-wire Serial Control Interface, 257 Positions, CMOS, PDSO20
Frequently Asked Questions
How does the non-volatile memory in the MCP4461-104E/ML benefit system calibration workflows?
The non-volatile memory stores the 257-position wiper setting for each of the 4 channels, so calibration values persist through power-off and reset events without requiring the host microcontroller to reload them on boot. This reduces firmware complexity and guarantees that factory-trimmed offsets or gain values are restored instantly on power-up.
For a precision analog front-end, how fine is the resistance adjustment resolution offered by the MCP4461-104E/ML?
Each channel provides 257 linear steps across a 100 kΩ end-to-end resistance, yielding a step size of approximately 390 Ω per increment. This resolution supports fine offset trimming and gain scaling in instrumentation amplifier circuits operating with low full-scale errors below 1 mV.
Can the MCP4461-104E/ML drive audio-frequency or wider-bandwidth signals through its wiper outputs?
The device has a specified bandwidth of 0.1 kHz (100 Hz), which limits its use to DC and very low-frequency adjustment applications such as bias trimming and slow gain control rather than audio-path signal routing. For audio applications requiring bandwidths above 100 Hz, a higher-bandwidth digital potentiometer should be selected.
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