MCP4661T-104E/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The MCP4661T-104E/ML is a single-channel 8-bit non-volatile I2C digital potentiometer from Microchip Technology with 100 kΩ end-to-end resistance in a VQFN-16 package. It stores wiper position in non-volatile memory so settings are retained after power-off, making it ideal for one-time calibration applications. Available from stock worldwide with fast shipping for analog signal conditioning designs.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- MCP4661T-104E/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0300(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
- Single 8-bit non-volatile digital potentiometer with 100 kΩ resistance retains wiper position across power cycles
- I2C interface with increment/decrement control enables easy software-driven resistance adjustment from any microcontroller
- Compact VQFN-16 package with Pb-free construction supports high-density PCB layouts in space-constrained designs
Applications
The MCP4661T-104E/ML is used for analog calibration and trimming in applications such as sensor signal conditioning, audio volume control, and LCD brightness adjustment where a software-programmable resistance is needed. Its non-volatile memory ensures that calibration settings are preserved through power cycles without requiring a microcontroller to reload values on every startup. It is also employed in industrial process control and test equipment where precise, repeatable resistance adjustment is critical.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | VQFN-16 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Additional Feature | NON-VOLATILE MEMORY |
| Bandwidth-Nom | 0.1kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | S-PQCC-N16 |
| JESD-609 Code | e3 |
| Number of Functions | 2 |
| Number of Positions | 257 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC16,.16SQ,25 |
| 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 |
| 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 | 0.65mm |
| Terminal Position | QUAD |
| 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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the resistance value and resolution of the MCP4661T-104E/ML?
The MCP4661T-104E/ML is a single-channel 8-bit digital potentiometer with a 100 kΩ end-to-end resistance and 256 wiper steps, providing fine-grained analog resistance control over the I2C interface.
Does the MCP4661T-104E/ML retain its settings after power loss?
Yes, the MCP4661T-104E/ML includes non-volatile memory (NVM) that stores the wiper position and configuration registers, so all settings are automatically restored after a power cycle without host intervention.
What interface does the MCP4661T-104E/ML use for control?
The MCP4661T-104E/ML uses the I2C two-wire interface with an increment/decrement command set, allowing a microcontroller to adjust the wiper position digitally with minimal code and wiring.
What package is the MCP4661T-104E/ML available in?
The MCP4661T-104E/ML comes in a 16-pin VQFN (Very thin Quad Flat No-lead) package, offering a small surface-mount footprint with good thermal characteristics for compact PCB designs.
What are typical applications for the MCP4661T-104E/ML?
Typical applications include analog signal conditioning, sensor offset and gain trimming, audio volume control, LCD contrast adjustment, and any system requiring software-programmable resistance with reliable non-volatile retention of calibration values.
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