AD7847AR - Analog Devices Inc.

Manufacturer Part Number

AD7847AR

Manufacturer

Analog Devices

Introduction

The AD7847AR is a precision 12-bit digital-to-analog converter with dual channels.

Product Features and Performance

12-bit resolution

Dual D/A converters

Settling time of 5µs for fast updates

Buffered voltage output capable of driving 10kΩ in parallel with 100pF

Parallel data interface for direct connection to microcontrollers and DSPs

R-2R architecture for high precision and low power consumption

External reference input for flexible system calibration

Product Advantages

Precision data conversion improves system accuracy

Dual channels allow for multiple outputs simultaneously

Fast settling time enables quick response applications

Buffered outputs reduce external driver requirements

High integration reduces component count in system design

Key Technical Parameters

Number of Bits: 12

Number of D/A Converters: 2

Settling Time: 5µs

Output Type: Voltage - Buffered

Differential Output: No

Data Interface: Parallel

Reference Type: External

Voltage - Supply, Analog: ±14.25V ~ ±15.75V

INL/DNL (LSB): ±1 (Max)

Architecture: R-2R

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Robust operating temperature range ensures reliability in varying environments

Compliance with industry standards for quality and safety

Compatibility

Compatible with various microcontrollers and DSPs through parallel interface

24-SOIC package compatible with standard surface-mount processes

Application Areas

Precision instrumentation

Industrial control systems

Data acquisition systems

Automated test equipment

Digital signal processing

Product Lifecycle

Obsolete status indicates the product is no longer manufactured

Availability of replacements or upgrades should be checked with manufacturer

Several Key Reasons to Choose This Product

High resolution and precision improve overall system performance

Dual channel output increases system flexibility

R-2R architecture offers reliable and predictable performance

Wide operating temperature range ensures functionality in a range of environments

Fast conversion times suitable for real-time applications