MCP4822-E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip MCP4822-E/P is a dual-channel 12-bit SPI digital-to-analog converter with a maximum analog output voltage of 4.176 V and serial binary input format. It provides two independent DAC channels in an 8-pin DIP package suitable for through-hole prototyping and breadboard development. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4822-E/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.0600(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 MCP4822-E/P?
- Dual-channel 12-bit DAC with SPI serial interface enabling precise voltage output control from any microcontroller
- Internal voltage reference providing output up to 4.176 V without requiring an external reference component
- 8-pin DIP package ideal for through-hole prototyping, breadboard evaluation, and academic electronics projects
What is MCP4822-E/P used for?
The MCP4822-E/P is well suited for audio signal generation, programmable analog reference voltage circuits, and sensor calibration systems in laboratory and prototype environments where breadboard-compatible DIP packaging is preferred. Its dual 12-bit channels with SPI control also serve motor-drive current set-point circuits, programmable gain control in instrumentation amplifiers, and arbitrary waveform generators in embedded development kits communicating over 3.3 V or 5 V SPI buses.
What are the specifications of MCP4822-E/P?
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| YTEOL | 8 |
| Analog Output Voltage-Max | 4.176V |
| Converter Type | D/A CONVERTER |
| Input Bit Code | BINARY |
| Input Format | SERIAL |
| JESD-30 Code | R-PDIP-T8 |
| 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 | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| 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 | NO |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Where can I find the MCP4822-E/P datasheet?
MCP4822-E/P Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4822-E/P?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many independent output channels does the MCP4822-E/P provide, and what resolution does each channel achieve?
The MCP4822-E/P integrates 2 independent DAC channels, each with 12-bit resolution providing 4096 distinct output levels between 0 V and the internal reference-derived maximum of approximately 4.176 V. The 12-bit resolution translates to a 1 LSB step size of roughly 1 mV, which is sufficient for audio synthesis, precision calibration voltage, and programmable threshold references in embedded systems.
What SPI clock speed can the MCP4822-E/P accept for fast waveform update rates?
The MCP4822-E/P supports SPI clock frequencies up to 20 MHz, allowing a complete 16-bit register write (address + data word) in under 1 µs. At 20 MHz clock the maximum DAC update rate exceeds 1 MSPS for a single channel, enabling audio-quality waveform synthesis at sample rates up to 192 kHz with ample SPI bandwidth headroom for other bus traffic.
For a battery-powered portable instrument, how does the MCP4822-E/P's internal reference simplify the power supply design?
The integrated internal voltage reference eliminates the need for a separate precision voltage reference IC, reducing BOM count by 1 component and saving approximately 5 mm² of board space. Operating from a 2.7 V to 5.5 V VDD supply range, the MCP4822-E/P can run directly from a 3.7 V Li-ion battery or two AA cells without a reference voltage regulator, simplifying the analog power supply tree.
When is the MCP4822-E/P a suitable lower-cost alternative to the MCP4922 in a prototype design?
Both devices offer dual 12-bit DAC channels with SPI, but the MCP4822-E/P uses an internal 2.048 V reference (gain selectable to 4.096 V) while the MCP4922 uses an external reference for flexible output range. If your design target output is below 4.2 V and you do not need voltages above the internal reference span, the MCP4822-E/P eliminates a separate reference IC, typically saving 20% to 30% in total analog signal-chain component cost.
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