MCP4822-E/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4822-E/MS is a dual-channel 12-bit DAC from Microchip with an SPI serial interface, providing up to 4.176 V analog output in an 8-pin MSOP package. It features an internal voltage reference for stand-alone operation without external reference components. Suitable for precision signal generation, calibration, and analog control in industrial, medical, and consumer electronics designs.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4822-E/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.8158(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 12-bit DAC with SPI serial interface for easy microcontroller integration
- Internal voltage reference enabling accurate 4.176 V full-scale output without external components
- 8-pin MSOP package (3 mm x 3 mm) for space-constrained PCB designs
- Binary input coding with serial data format for straightforward firmware implementation
- Lead-free JESD-609 e3 compliant, RoHS-ready for global market compliance
- 2-week factory lead time supporting predictable production planning
Applications
The MCP4822-E/MS is used in precision analog signal generation circuits for industrial sensor calibration systems where two independently programmable 12-bit output channels eliminate the need for multiple discrete DAC ICs. Medical instrumentation such as infusion pump controllers and diagnostic equipment benefit from its internal voltage reference and 4.176 V output range, enabling stable analog set-point control. Consumer electronics including audio tone generators, LCD bias circuits, and programmable power supply designs also leverage its compact MSOP-8 footprint and simple 3-wire SPI interface.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 2Weeks |
| YTEOL | 8 |
| Analog Output Voltage-Max | 4.176V |
| Converter Type | D/A CONVERTER |
| Input Bit Code | BINARY |
| Input Format | SERIAL |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.293% |
| Number of Bits | 12 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Settling Time-Nom (tstl) | 4.5 µs |
| Supply Current-Max | 0.75mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| ## MCP4822-E/MS Alternates Showing results | Image |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP4822-E/MS:
suggested
suggested
D/A Converter, 1 Func, Serial Input Loading, 4.5us Settling Time, PDSO8
Frequently Asked Questions
How many output channels does the MCP4822-E/MS provide, and what is the resolution of each channel?
The MCP4822-E/MS integrates 2 independent DAC output channels, each with 12-bit resolution providing 4096 discrete voltage steps up to a maximum of 4.176 V. Having 2 channels in a single 8-pin MSOP package is advantageous in designs requiring two independently programmable analog voltages, such as differential signal generation or dual-rail analog control, while consuming less board area than two separate DAC ICs.
Does the MCP4822-E/MS require an external voltage reference, and how does this simplify board design?
The MCP4822-E/MS includes an integrated internal voltage reference, eliminating the need for an external precision reference IC and its associated decoupling capacitors. This reduces component count by at least 2 parts per channel and simplifies PCB layout, since there is no high-impedance reference node susceptible to noise pickup. The resulting full-scale output of 4.176 V is derived directly from the internal reference, maintaining calibration stability across the -40°C to +125°C operating range.
What SPI clock speeds are compatible with the MCP4822-E/MS for high-throughput waveform generation?
The MCP4822-E/MS supports SPI clock frequencies up to 20 MHz, allowing a complete 16-bit write cycle to finish in under 1 µs and enabling waveform update rates exceeding 1 MSPS in back-to-back transaction mode. This high-speed SPI capability makes the MCP4822-E/MS suitable for audio signal synthesis at 44.1 kHz sample rates or industrial waveform generation requiring smooth 12-bit amplitude steps without audible or visible glitches.
For a portable medical device running on a 3.3 V rail, is the MCP4822-E/MS an appropriate DAC choice?
The MCP4822-E/MS operates from a supply voltage of 2.7 V to 5.5 V, making it fully compatible with 3.3 V battery-powered medical portable designs. Its low-power shutdown mode reduces current consumption to under 1 µA when the DAC outputs are not actively updating, extending battery life in intermittently operating equipment such as portable infusion controllers or handheld diagnostic instruments where both 12-bit accuracy and minimal quiescent draw are required.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.0900 | $4.09 |
| 4+ | $2.9274 | $11.71 |
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