AD7225LP - Analog Devices Inc.

Manufacturer Part Number

AD7225LP

Manufacturer

Analog Devices

Introduction

The AD7225LP is an 8-bit digital-to-analog converter featuring four voltage-output channels, designed for data acquisition systems requiring multiple D/A converters.

Product Features and Performance

8-bit resolution

Four D/A converters

Voltage output type is buffered

Settling time of 4µs for fast response

Parallel data interface for quick data transfer

External voltage reference needed

Analog supply voltage range from 11.4V to 16.5V, -5V

Digital supply voltage range from 14.25V to 15.75V

Uses R-2R ladder architecture for DAC

Operating temperature range from -40°C to 85°C

Surface mount packaging, utilizing a 28-LCC (J-Lead) format

Product Advantages

Multiple D/A converters allow simultaneous output on four channels

High-speed operation due to low settling time

Flexible voltage supply requirements suitable for various applications

Robust temperature operating range ensuring reliability in extreme conditions

Key Technical Parameters

Number of Bits: 8

Number of D/A Converters: 4

Settling Time: 4µs

Voltage Supply, Analog: 11.4V ~ 16.5V, -5V

Voltage Supply, Digital: 14.25V ~ 15.75V

INL/DNL (LSB): ±0.5 (Max), ±1 (Max)

Quality and Safety Features

R-2R architecture helps in reducing glitches and ensuring output accuracy

Built within a robust casing that withstands harsh industrial environments

Compatibility

Compatible with external reference voltages for flexible system integration

Supports parallel data interface commonly used in industrial systems

Application Areas

Industrial automation systems

Data acquisition systems

Test and measurement systems

Product Lifecycle

Status: Obsolete

Future replacements or upgrades might not be available due to obsolescence

Several Key Reasons to Choose This Product

Multi-channel output capability enhances system design flexibility

Fast settling time benefits applications requiring quick response times

Wide operating temperature range makes it suitable for harsh industrial environments

Parallel data interface ensures compatibility with common industrial communication protocols