Manufacturer Part Number
MCP4821T-E/SN
Manufacturer
Microchip Technology
Introduction
The MCP4821T-E/SN is a single-channel 12-bit Digital-to-Analog Converter (DAC) with an integrated voltage reference and SPI interface.
Product Features and Performance
12-bit resolution
Single DAC channel
5µs typical settling time
Buffered voltage output
SPI interface for data input
Internal precision voltage reference
±4 INL, ±0.25 DNL
Product Advantages
High accuracy and low nonlinearity
Simple digital interface
Internal reference reduces external components
Compact 8-SOIC package saves space
Wide operating temperature range suitable for industrial applications
Key Technical Parameters
Number of Bits: 12
Number of D/A Converters: 1
Settling Time: 4.5µs (Typ)
Output Type: Voltage - Buffered
Differential Output: No
Data Interface: SPI
Reference Type: Internal
Voltage - Supply, Analog: 2.7V to 5.5V
Voltage - Supply, Digital: 2.7V to 5.5V
INL/DNL (LSB): ±4, ±0.25
Operating Temperature: -40°C to +125°C
Quality and Safety Features
String DAC architecture for stable performance
Robust operating temperature range ensures reliability in varying environments
Compatibility
SPI communication protocol for versatility with many microcontrollers
Standard 8-SOIC package for compatibility with common PCB layouts
Application Areas
Industrial control systems
Data acquisition systems
Automotive systems
Portable instruments
Medical devices
Product Lifecycle
Active product status
Not currently nearing discontinuation
Replacements or upgrades should be available if necessary
Several Key Reasons to Choose This Product
Precision 12-bit resolution for accurate signal conversion
Integrated voltage reference simplifies design
Fast settling time for responsive performance
Internal calibration reduces system complexity
Versatile for different operating environments with wide temperature and voltage ranges
Reliable communication with common SPI interface
Microchip Technology’s strong support and longevity in the market
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