MCP4821T-E/MS - Microchip Technology

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)