AD694ARZ - Analog Devices Inc.

Manufacturer Part Number

AD694ARZ

Manufacturer

Analog Devices

Introduction

The AD694 is a monolithic current transmitter that accepts high level signal inputs to drive a standard 4-20mA current loop for the control of valves, actuators, and other devices commonly used in process control.

Product Features and Performance

Monolithic current transmitter

Accepts high level voltage inputs

Drives standard 4-20mA control loops

Output protected from shorts to ground or to high voltages

High impedance differential inputs

Wide power supply range

Low power consumption

Product Advantages

Ease of use with minimal external components required

Precision mA output for accurate control

High reliability and robustness in harsh environments

Integration reduces system complexity and potential points of failure

Key Technical Parameters

Input Type: Voltage

Output Type: 4-20mA Current Loop

Current - Supply: 23 mA

Operating Temperature Range: -40°C to 85°C

Mounting Type: Surface Mount

Quality and Safety Features

Short-circuit protection for output

Built-in thermal protection

Excellent temperature stability

High input to output isolation

Compatibility

Compatible with a wide range of industrial sensors and input signals

Easily interfaced with microcontrollers and analog inputs

Standard 16-SOIC packaging for compatibility with common PCB designs

Application Areas

Process control systems

Data acquisition systems

Industrial automation

Actuator control

Valve and flow meter control

Product Lifecycle

Status: Active

Not indicated as near discontinuation

Availability of replacements or upgrades likely given the active status

Several Key Reasons to Choose This Product

High level of integration simplifies design and reduces time-to-market

Durable and reliable for use in industrial environments

Flexible power supply and input signal range accommodate diverse applications

Analog Devices' reputation for high-quality components

Proven performance in demanding process control applications