MCP47CVB28-E/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
MCP47CVB28-E/ML is a Microchip 8-channel 12-bit volatile I2C digital-to-analog converter in a compact QFN-20 package, delivering 0.024414% maximum linearity error across all 8 outputs. It accepts binary-coded serial input over the I2C bus, enabling multi-channel analog control with minimal MCU pin usage. Globally stocked with a 6-week lead time and worldwide shipping for prototyping and production.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- MCP47CVB28-E/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $8.8100(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 12-bit DAC delivers 4096 output levels per channel with only 0.024414% max linearity error for precise multi-channel analog control
- I2C serial interface minimizes wiring to just 2 wires, enabling up to 8 independent analog outputs from a single bus
- QFN-20 (4 mm × 4 mm typical) package integrates 8 DAC channels in a footprint smaller than many single-channel alternatives
- Volatile output registers allow rapid reconfiguration of all 8 channels on power-up via I2C without EEPROM write-cycle wear
Applications
MCP47CVB28-E/ML is designed for multi-channel analog control in industrial automation, robotics, and precision instrument applications where up to 8 independent 12-bit voltage outputs must be driven from a single I2C bus. Its compact QFN-20 footprint and 2-wire interface simplify board design in motor drive bias generation, programmable power supplies, and calibration reference circuits. The 12-bit resolution across all 8 channels makes it equally suitable for audio mixing, optical power control, and multi-axis servo trim applications.
Specifications
| Manufacturer Package Code | QFN-20 |
| Factory Lead Time | 6Weeks |
| YTEOL | 23 |
| 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) | 0.024414% |
| Number of Bits | 12 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC20,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Settling Time-Nom (tstl) | 4 µs |
| Supply Current-Max | 1.38mA |
| Supply Voltage-Nom | 5.5V |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Quad Flat No-Lead |
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
How many independent output channels does MCP47CVB28-E/ML provide, and what resolution does each channel deliver?
MCP47CVB28-E/ML provides 8 independent DAC output channels, each with 12-bit resolution, yielding 4096 discrete voltage steps per channel. With a 3.3 V reference, the minimum voltage step size is approximately 0.8 mV per LSB, which is fine enough for precision bias adjustment in optical transceiver gain control or servo actuator positioning systems requiring sub-millivolt accuracy.
What communication interface does MCP47CVB28-E/ML use, and how many MCU pins does it require to control all 8 channels?
MCP47CVB28-E/ML uses an I2C serial interface, requiring only 2 MCU pins — SDA and SCL — to control all 8 output channels simultaneously. Because I2C supports multiple devices on the same 2-wire bus, multiple MCP47CVB28-E/ML devices can be addressed independently, scaling the total number of 12-bit DAC outputs beyond 8 without consuming additional MCU GPIO pins.
For a programmable multi-channel power supply, what does the 0.024414% maximum linearity error of MCP47CVB28-E/ML mean in practice?
A maximum integral nonlinearity (INL) error of 0.024414% over the 12-bit (4096-step) full-scale range corresponds to approximately 1 LSB of linearity error, which is considered 1-LSB accurate performance. For a 5 V full-scale output, 1 LSB equals 1.22 mV, so the actual output deviates no more than 1.22 mV from the ideal transfer curve, making MCP47CVB28-E/ML suitable for precision voltage programming applications that require better than 0.1% accuracy.
When would MCP47CVB28-E/ML be preferred over 8 discrete single-channel DACs in a design?
Integrating 8 channels in a single QFN-20 package reduces the BOM from 8 separate ICs to 1, cutting board area by more than 70% and reducing the I2C address decoding to a single device address. The 6-week factory lead time and single-part procurement also simplify supply-chain management compared to sourcing 8 individual components, while the volatile register architecture allows all 8 outputs to be updated in a single I2C burst transaction rather than 8 separate SPI or I2C cycles.
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