MCP4921-E/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4921-E/MS is a 12-bit single-channel SPI digital-to-analog converter from Microchip with an output voltage range up to 4.096 V. Packaged in an 8-pin MSOP, it features a serial input interface and suits precision signal generation, calibration references, and analog control applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4921-E/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.9100(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 MCP4921-E/MS?
- 12-bit resolution D/A converter with binary-coded serial SPI input interface
- Maximum analog output voltage up to 4.096 V for direct reference-voltage DAC configurations
- 8-pin MSOP-8 compact surface-mount package for space-constrained PCB layouts
- Serial input format compatible with standard microcontroller SPI buses
- Pb-free, RoHS-compliant with JEDEC e3 moisture sensitivity rating
- Single-channel output suitable for precision setpoint and calibration reference designs
What is MCP4921-E/MS used for?
The MCP4921-E/MS is commonly used in precision analog control loops, calibration reference circuits, and industrial instrumentation where a compact 12-bit DAC with SPI interface replaces bulky resistor-ladder networks. It also appears in programmable power supply designs, sensor excitation circuits, and battery-powered handheld test equipment requiring accurate analog voltage outputs from a microcontroller.
What are the specifications of MCP4921-E/MS?
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 12Weeks |
| YTEOL | 8 |
| Analog Output Voltage-Max | 4.096V |
| 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) | 0.2929% |
| 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 |
| Settling Time-Nom (tstl) | 4.5 µs |
| Supply Current-Max | 0.35mA |
| 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 |
| ## MCP4921-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 |
Where can I find the MCP4921-E/MS datasheet?
MCP4921-E/MS Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4921-E/MS?
Compatible alternatives and drop-in replacements for MCP4921-E/MS:
suggested
suggested
suggested
suggested
suggested
D/A Converter, 1 Func, Serial Input Loading, 4.5us Settling Time, PDSO8
Frequently Asked Questions
What resolution and maximum output voltage does MCP4921-E/MS provide for precision analog control?
MCP4921-E/MS is a 12-bit DAC that yields 4,096 discrete output levels over an analog voltage range up to 4.096 V when using the full-scale reference, giving approximately 1 mV per LSB resolution, which is suitable for precision setpoint generation in industrial control and instrumentation designs.
How does MCP4921-E/MS connect to a microcontroller over SPI, and what clock speeds are supported?
MCP4921-E/MS uses a standard 3-wire SPI serial interface for binary-coded data input, compatible with virtually all microcontroller SPI peripherals. The device accepts a 16-bit command word per conversion update, and the SPI clock can run up to 20 MHz, allowing fast throughput even in closed-loop control applications with 8-bit or 32-bit hosts.
For a compact PCB design, does the MSOP-8 package of MCP4921-E/MS fit standard SMT assembly lines?
Yes. The MSOP-8 package has a body width of 3 mm and 0.65 mm pitch leads, making it fully compatible with standard SMT reflow soldering. With only 8 pins it occupies minimal board space compared to SOIC-8 alternatives, which is advantageous in high-density analog front-end designs.
What is the typical lead time for MCP4921-E/MS, and are there equivalent single-channel 12-bit DAC alternatives?
Microchip lists a factory lead time of approximately 12 weeks for MCP4921-E/MS in the MSOP-8 package. Designers needing equivalent 12-bit SPI DAC functionality in a different footprint can consider the MCP4921 in PDIP-8 or SOP-8, or evaluate Texas Instruments DAC7611 as a functional alternative when stock constraints arise.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.6200 | $2.62 |
| 25+ | $2.1700 | $54.25 |
| 100+ | $1.9700 | $197.00 |
| 125+ | $1.9400 | $242.50 |
| 300+ | $1.9200 | $576.00 |
| 1000+ | $1.9100 | $1910.00 |
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