MCP4728A1-E/UN Microchip Integrated Circuit (Small Outline Packages) In Stock
MCP4728A1-E/UN is a quad-channel 12-bit serial DAC from Microchip with I2C interface and non-volatile memory for each channel output. It supports analog output voltages up to 5.5 V and integrates an internal voltage reference, housed in a compact 10-pin MSOP package for precision analog signal generation.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- MCP4728A1-E/UN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.8200(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP4728A1-E/UN?
- 4-channel 12-bit DAC providing 4096 resolution steps per output channel
- I2C serial interface with programmable device address for multi-device bus sharing
- Non-volatile EEPROM storage retaining DAC output codes through power cycles
- Internal voltage reference option eliminating need for external precision reference
- Analog output voltage range up to 5.5 V compatible with 5V system rails
- 10-pin MSOP package for compact precision analog circuit integration
What is MCP4728A1-E/UN used for?
The MCP4728A1-E/UN is ideal for multi-channel precision voltage generation in calibration equipment, programmable current sources, and analog bias control circuits requiring 4 independent 12-bit outputs. Its non-volatile output memory makes it well-suited for set-and-forget calibration scenarios where outputs must restore automatically at power-up without MCU intervention. Industrial process controllers, audio signal processing boards, and automated test equipment benefit from its quad-channel architecture with shared I2C bus connectivity.
What are the specifications of MCP4728A1-E/UN?
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-10 |
| Factory Lead Time | 20Weeks |
| YTEOL | 8 |
| Analog Output Voltage-Max | 5.5V |
| Converter Type | D/A CONVERTER |
| Input Bit Code | BINARY |
| Input Format | SERIAL |
| JESD-30 Code | S-PDSO-G10 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.3174% |
| Number of Bits | 12 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP10,.19,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Settling Time-Nom (tstl) | 6 µs |
| Supply Current-Max | 1.4mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
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 |
Where can I find the MCP4728A1-E/UN datasheet?
MCP4728A1-E/UN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4728A1-E/UN?
Compatible alternatives and drop-in replacements for MCP4728A1-E/UN:
suggested
D/A Converter, 1 Func, Serial Input Loading, 6us Settling Time, PDSO10
D/A Converter, 1 Func, Serial Input Loading, 6us Settling Time, PDSO10
Frequently Asked Questions
How many output channels does the MCP4728A1-E/UN provide, and what resolution does each channel offer?
The MCP4728A1-E/UN provides 4 independent output channels, each with 12-bit resolution offering 4096 discrete voltage steps. With a 5V reference, this results in an output step size of approximately 1.22 mV per step, enabling fine-grained analog voltage control across all 4 channels simultaneously via a single I2C bus.
What is the advantage of the non-volatile EEPROM output memory in the MCP4728A1-E/UN for industrial designs?
The non-volatile EEPROM in each of the 4 DAC channels stores the last programmed output code and restores it automatically at power-up, eliminating the need for the host microcontroller to reprogram the DAC values after every power cycle. This is critical in industrial calibration fixtures, field-deployed sensor transmitters, and battery-backed instruments where startup time and initialization complexity must be minimized.
How does the MCP4728A1-E/UN's I2C address configurability support multi-device designs?
The MCP4728A1-E/UN supports programmable I2C device addresses, allowing up to 8 devices to coexist on a single 2-wire I2C bus without address conflicts. In a multi-zone analog control board requiring 16 or more independent DAC channels, multiple MCP4728A1-E/UN devices can be combined to expand output count while sharing only 2 signal wires from the host controller.
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