MCP4661T-103E/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip MCP4661T-103E/ML is a dual-channel 10 kΩ digital potentiometer with non-volatile memory and I2C interface in a compact VQFN-16 package. It offers 256 wiper positions per channel controlled via increment/decrement commands. Suitable for audio level control, calibration, and programmable gain amplifier designs in consumer and industrial applications.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- MCP4661T-103E/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0900(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
- Dual-channel digital potentiometer with 10 kΩ end-to-end resistance and 256 wiper positions
- Non-volatile memory retains wiper position through power cycles without re-initialization
- I2C increment/decrement control interface with 1 kHz bandwidth
- Compact VQFN-16 package enabling high-density PCB designs
- Wide supply voltage support for 2.7 V to 5.5 V operation
Applications
The MCP4661T-103E/ML is commonly used in audio volume control, programmable gain amplifiers, and sensor calibration circuits where persistent wiper position storage is required. Its dual-channel design and non-volatile memory make it ideal for precision analog adjustment in test equipment, industrial controllers, and consumer electronics that need reliable settings across power cycles.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | VQFN-16 |
| 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-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 | 10000Ω |
| ## MCP4661T-103E/ML Alternates Showing results | Image |
| 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 MCP4661T-103E/ML:
suggested
suggested
Frequently Asked Questions
How does the non-volatile memory in MCP4661T-103E/ML benefit designs that cycle power frequently?
The MCP4661T-103E/ML stores wiper position in non-volatile memory, so calibration or gain settings persist across power cycles without any software re-initialization. This is critical for industrial sensors and battery-powered equipment where restoring 256-step analog positions on every power-up would add latency and firmware complexity.
Can MCP4661T-103E/ML drive a 10 kΩ load directly in a voltage divider configuration?
Yes, the MCP4661T-103E/ML has a 10 kΩ end-to-end resistance with 256 wiper positions, giving approximately 39 Ω per step. At a 1 kHz bandwidth, it suits low-frequency analog adjustment tasks such as DC bias trimming and audio-frequency attenuation, though heavy resistive loads below 1 kΩ may require a buffer amplifier.
What are the procurement lead time and packaging considerations for MCP4661T-103E/ML in production runs?
The MCP4661T-103E/ML typically carries a factory lead time of 6 weeks and is supplied in a VQFN-16 package. The T suffix indicates tape-and-reel packaging, which is standard for automated SMT assembly. Its RoHS-compliant, lead-free construction aligns with global compliance requirements for consumer and industrial electronics.
How does MCP4661T-103E/ML compare to a single-channel potentiometer when designing dual-rail gain stages?
The MCP4661T-103E/ML integrates 2 independent potentiometer channels in a single VQFN-16 footprint, reducing BOM count versus two discrete single-channel devices. Each channel independently controls a 10 kΩ pot with 256 steps, making it straightforward to balance dual-channel audio or differential gain stages from one I2C address.
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