MCP48FVB28-E/MQ Microchip (HVQCCN) In Stock
Microchip MCP48FVB28-E/MQ is an 8-channel 12-bit volatile SPI digital-to-analog converter in a compact QFN-20 package. Supports analog output range from 0.01 V to 5.484 V with serial binary input for precise multi-channel voltage control. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Microchip
- Package
- —
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- MCP48FVB28-E/MQ Datasheet PDF
- Price
- From $8.1900(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
- 8-channel simultaneous 12-bit DAC resolution enabling fine-grained analog voltage control across independent output channels
- SPI serial interface with binary input format for straightforward microcontroller integration at speeds compatible with standard SPI peripherals
- Wide analog output range from 0.01 V to 5.484 V supporting both 3.3 V and 5 V system rail designs
- Compact QFN-20 package minimizing PCB footprint for space-constrained multi-channel analog output designs
Applications
The MCP48FVB28-E/MQ is used in industrial process control, programmable power supplies, and automated test equipment where 8 independent 12-bit analog output channels with SPI control are required. Its wide output range from 0.01 V to 5.484 V and volatile configuration make it well-suited for real-time analog signal generation in motor drive bias circuits and sensor calibration systems. The compact QFN-20 form factor enables dense board layouts in battery-powered and space-constrained instrumentation designs.
Specifications
| Manufacturer Package Code | QFN-20 |
| Factory Lead Time | 6Weeks |
| YTEOL | 18 |
| Analog Output Voltage-Max | 5.484V |
| Analog Output Voltage-Min | 0.01V |
| Converter Type | D/A CONVERTER |
| Input Bit Code | BINARY |
| Input Format | SERIAL |
| JESD-30 Code | S-PQCC-N20 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.14648% |
| Number of Bits | 12 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC20,.20SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Settling Time-Nom (tstl) | 7.8 µs |
| Supply Current-Max | 3.2mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.40 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What resolution and how many output channels does the MCP48FVB28-E/MQ provide?
The MCP48FVB28-E/MQ provides 8 independent DAC output channels each with 12-bit resolution, yielding 4096 discrete voltage steps across the output range from 0.01 V to 5.484 V. This gives a voltage step size of approximately 1.34 mV per LSB, making it suitable for precision analog control applications in industrial instrumentation, programmable power references, and multi-channel bias generation where fine voltage adjustment across 8 outputs simultaneously is required.
What SPI interface characteristics should firmware developers know when integrating MCP48FVB28-E/MQ into a microcontroller design?
The MCP48FVB28-E/MQ uses a standard SPI serial interface with binary-coded input data, compatible with SPI modes 0,0 and 1,1 available on most microcontrollers. Each channel is addressed and updated via 16-bit SPI write transactions, allowing all 8 channels to be updated sequentially in approximately 16 microseconds at 8 MHz SPI clock. The device operates from a supply voltage compatible with 2.7 V to 5.5 V systems and includes chip-select logic for multi-device bus sharing.
Why is the volatile configuration of MCP48FVB28-E/MQ important for real-time control applications?
Volatile DAC registers in the MCP48FVB28-E/MQ mean output values reset to zero on power cycle, ensuring a safe known state at startup without residual output voltages that could damage load circuitry. This is critical in motor control bias circuits, RF signal conditioning, and closed-loop control systems where the microcontroller must re-initialize all 8 channels on each power-up. Applications requiring persistent settings across power cycles should use MCP48FVB non-volatile variants or store setpoints in external EEPROM.
How does the MCP48FVB28-E/MQ QFN-20 package benefit compact multi-channel analog designs?
The QFN-20 package measures 4 mm x 4 mm, providing an extremely small footprint for an 8-channel 12-bit DAC and enabling high-density analog output designs where board area is limited. The exposed thermal pad aids heat dissipation when driving multiple output loads simultaneously. Compared to SOIC or TSSOP packages for equivalent channel count, the QFN-20 saves approximately 50% of PCB area, a significant advantage in portable instruments, wearable medical devices, and miniaturized industrial sensors.
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