Microchip Technology

MCP4821-E/SN  

Digital to Analog Converters

MCP4821-E/SN Description

The MCP4821-E/SN is a high-performance, 12-bit digital-to-analog converter (DAC) from Microchip Technology. This device features a single 12-bit DAC channel with an SPI interface, making it ideal for applications requiring precise voltage control and high-resolution output. With a supply voltage range of 2.7V to 5.5V for both analog and digital sections, the MCP4821-E/SN offers flexibility in power supply options. It is RoHS3 compliant and REACH unaffected, ensuring environmental compliance in various applications.

MCP4821-E/SN Features

• 12-bit Resolution: The MCP4821-E/SN provides 12-bit resolution, offering 4096 unique output levels for precise voltage control.
• SPI Interface: The device uses a 4-wire SPI interface for easy integration with microcontrollers and other digital systems.
• Internal Reference: An internal 2.048V reference is provided, simplifying the design and reducing the need for external components.
• Low INL/DNL: The MCP4821-E/SN boasts low integral nonlinearity (INL) and differential nonlinearity (DNL) of ±4 LSB and ±0.25 LSB, respectively, ensuring accurate output voltages.
• Fast Settling Time: A typical settling time of 4.5µs allows for rapid response in dynamic applications.
• Surface Mount Package: The MCP4821-E/SN is available in an 8-pin SOIC package, suitable for surface-mount applications.

MCP4821-E/SN Applications

The MCP4821-E/SN is ideal for a variety of applications where precise voltage control and high-resolution output are required. Some specific use cases include:

1. Audio Processing: The 12-bit resolution and low INL/DNL make the MCP4821-E/SN suitable for audio signal processing, such as volume control and equalization.
2. Instrumentation: The device can be used in precision measurement and control systems, such as in test and measurement equipment, where accurate voltage output is critical.
3. Industrial Control: The MCP4821-E/SN can be employed in industrial control systems for applications like motor control, where precise voltage adjustments are needed.
4. Communication Systems: The device can be used in communication systems for signal conditioning and filtering, taking advantage of its low INL/DNL and fast settling time.

Conclusion of MCP4821-E/SN

The MCP4821-E/SN from Microchip Technology is a versatile, high-performance 12-bit DAC with an SPI interface. Its combination of 12-bit resolution, low INL/DNL, and fast settling time make it an excellent choice for applications requiring precise voltage control and high-resolution output. With its RoHS3 compliance and REACH unaffected status, the MCP4821-E/SN is also environmentally friendly, making it suitable for a wide range of applications in the electronics industry.

MCP4821-E/SN Documents

Download datasheets and manufacturer documentation for MCP4821-E/SN

PCN Assembly/Origin :

Manufacturing Change 07/Apr/2022      

Datasheets :

MCP4801/11/21      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Manuals :

Development Tools Catalog      

Design Resources :

MCP4821 Development Tool Selector      

PCN Design/Specification :

Multiple Devices Datasheet Update 18/Aug/2014      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH