Manufacturer Part Number
MCP4822-E/P
Manufacturer
Microchip Technology
Introduction
The MCP4822-E/P is a dual 12-bit Digital to Analog Converter featuring internal voltage reference and SPI interface.
Product Features and Performance
12-bit resolution
Dual DAC channels
Fast 4.5µs settling time
Buffered voltage output
SPI interface for digital communication
String DAC architecture
Product Advantages
Precise analog output with low DNL (Differential Nonlinearity)
High integration with internal reference
Minimal external components required due to SPI interface
Wide operating temperature range suitable for industrial applications
Key Technical Parameters
12-bit resolution per DAC
2 D/A converters
Internal reference voltage
5µs typical settling time
Voltage supply range: 2.7V to 5.5V for both analog and digital supply
INL (Integral Nonlinearity): ±4 LSB
DNL (Differential Nonlinearity): ±0.25 LSB
Operating temperature: -40°C to 125°C
Quality and Safety Features
String DAC architecture for high accuracy and stability
Extended temperature range for reliability in extreme conditions
Compatibility
SPI digital interface compatible with many microcontrollers
Through hole 8-DIP package for easy integration into existing designs
Application Areas
Precision analog output tasks
Data Acquisition Systems
Digital Gain and Offset adjustment
Industrial control systems
Portable instrumentation
Product Lifecycle
Status: Active
Not nearing discontinuation
Replacements or upgrades might be available
Several Key Reasons to Choose This Product
High resolution and precision with 12-bit DACs
Internal voltage reference simplifies design
Dual channel output for multi-functional applications
Rapid settling time enables quick response applications
Wide operating temperature range enhances product reliability
SPI interface ensures easy integration with most microcontrollers
Through hole package allows for straightforward PCB design and prototyping
MCP4821-E/MCMicrochip