AD7249BR - Analog Devices Inc.

Manufacturer Part Number

AD7249BR

Manufacturer

Analog Devices

Introduction

The AD7249BR is a dual 12-bit digital-to-analog converter (DAC) from Analog Devices, designed for efficient data acquisition and control applications.

Product Features and Performance

Dual 12-bit DAC channels

Quick settling time of 10µs

Buffered voltage outputs

Supports SPI data interface

Flexible reference: external or internal options

R-2R architecture for high precision

Operates across a wide analog supply voltage range (±11.4V ~ 15.75V)

Industrial operating temperature range (-40°C ~ 85°C)

Product Advantages

High resolution and accuracy due to 12-bit output

Rapid response suitable for high-speed applications

Compatibility with various microcontrollers due to SPI interface

Key Technical Parameters

Number of Bits: 12

Number of D/A Converters: 2

Settling Time: 10µs

Output Type: Voltage Buffered

INL/DNL (LSB): ±0.5 (Max), ±0.9 (Max)

Voltage Supply, Analog: ±11.4V ~ 15.75V

Architecture: R-2R

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Robust operating temperature range supports use in challenging environmental conditions

Precision and accuracy maintained within specified INL/DNL limits

Compatibility

SPI interface ensures easy integration with most microcontrollers and digital systems

Surface mount package (16-SOIC) allows for compact PCB designs

Application Areas

Industrial control systems

Precision data acquisition

Automated test equipment

Closed-loop control systems

Product Lifecycle

Obsolete status, indicating the end of production

Users should seek replacements or upgrades for new designs

Several Key Reasons to Choose This Product

High precision output suitable for critical applications

Quick settling time allows for faster signal processing

Dual DAC configuration reduces component count in multi-channel applications

Wide supply voltage range provides flexibility in power design

SPI compatibility ensures easy digital interfacing