Manufacturer Part Number
MCP4821T-E/MS
Manufacturer
Microchip Technology
Introduction
The MCP4821T-E/MS is a single channel, 12-bit digital-to-analog converter (DAC) with internal voltage reference, offering high precision in a small package, designed for data acquisition systems and analog output applications.
Product Features and Performance
12-bit resolution
Single DAC channel
Internal voltage reference
SPI interface for data input
5µs typical settling time for fast response
Buffered voltage output
Operates with a supply voltage range of 2.7V to 5.5V
Supports a wide operating temperature range of -40°C to 125°C
Product Advantages
High resolution and precise analog output
Internal voltage reference reduces external components
Fast settling time improves system responsiveness
SPI interface enables simple integration with microcontrollers
Buffered output capable of driving capacitive loads
Flexible power supply options for varied application requirements
Wide temperature range suitable for industrial environments
Key Technical Parameters
Number of Bits: 12
Number of D/A Converters: 1
Settling Time: 4.5µs (Typical)
Output Type: Voltage - Buffered
Data Interface: SPI
Reference Type: Internal
Voltage - Supply, Analog: 2.7V ~ 5.5V
Voltage - Supply, Digital: 2.7V ~ 5.5V
INL/DNL (LSB): ±4, ±0.25
Architecture: String DAC
Quality and Safety Features
String DAC architecture for stable performance
Robust operating temperature range ensuring reliability in extreme conditions
Compliance with industry quality and safety standards
Compatibility
SPI communication protocol for broad microcontroller compatibility
Surface mount package for compact PCB design
Application Areas
Industrial control systems
Data acquisition systems
Portable electronic devices
Analog output devices
Embedded systems
Product Lifecycle
Active status, not currently near discontinuation
Availability of replacements or upgrades not specified, suggesting long-term support
Several Key Reasons to Choose This Product
High precision 12-bit resolution for accurate analog output
On-chip voltage reference simplifies design
Fast response with a typical settling time of just 4.5µs
SPI interface allows easy integration into digital systems
Flexible supply voltage (2.7V to 5.5V) accommodates various power designs
Buffered output offers direct drive capabilities
Designed to operate reliably across a broad temperature range (-40°C to 125°C)
MCP4821-E/PMicrochip
MCP4821-E/SNMicrochip TechnologyIC DAC 12BIT V-OUT 8SOIC