AD694ARZ The AD694ARZ is a monolithic current transmitter from Analog Devices that accepts high-level voltage inputs to drive a standard 4-20 mA current loop. It operates from a single 4.5V to 36V supply and is housed in a 16-SOIC package.
Mfr Part #:

AD694ARZ

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The AD694ARZ is a monolithic current transmitter from Analog Devices that accepts high-level voltage inputs to drive a standard 4-20 mA current loop. It operates from a single 4.5V to 36V supply and is housed in a 16-SOIC package.
✓ Total Stock: 6,898 pcs

AD694ARZ Available from 1 distributor

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AD694ARZ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Input Type
Mounting Type
Operating Temperature
Output Type
Supplier Device Package
Supply Current
Supply Voltage
Termination Style
Type

AD694ARZ Description

Short technical summary and product information.

The AD694ARZ is a monolithic current transmitter designed to convert high-level voltage input signals into a standard 4-20 mA current loop output, commonly used in process control for valves, actuators, and other devices. The device features precalibrated input ranges of 0V to 2V and 0V to 10V, selectable by simple pin strapping, and can be programmed for other spans with external resistors.

 

Key electrical specifications include a supply voltage range of 4.5V to 36V (single supply) or dual supplies of ±2.25V to ±18V, a supply current of 23 mA, and typical nonlinearity of 0.002%. The output stage provides current ranges of 4-20 mA and 0-20 mA with wide output compliance. An input buffer amplifier allows scaling or buffering of signals from current-mode DACs.

 

The AD694ARZ is packaged in a 16-SOIC (0.295", 7.50mm Width) surface-mount package with gull wing terminals. It is rated for operation over a temperature range of -40°C to +85°C. The device includes an open-loop alarm feature and supports an optional external pass transistor to reduce self-heating errors.

AD694ARZ Quick Information

Product Type: Current Transmitter
Canonical Name: AD694ARZ 4-20 mA Current Transmitter
Subcategory: Sensor and Detector Interfaces

AD694ARZ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected

AD694ARZ Features

  • 4-20 mA and 0-20 mA output ranges
  • Precalibrated 0V to 2V and 0V to 10V inputs
  • Single or dual supply operation 4.5V to 36V
  • 0.002% typical nonlinearity
  • Open-loop alarm and input buffer amplifier

AD694ARZ Applications

  • Used in process control for valves and actuators
  • Ideal for high-precision instrumentation systems
  • Suitable for signal conditioning and bridge measurements
  • Applied in precision sensor and strain gage amplifiers

AD694ARZ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range?

4.5V to 36V.

What is the package type?

16-SOIC (0.295", 7.50mm Width).

What is the operating temperature range?

-40°C to 85°C.

Is the device RoHS compliant?

Yes, RoHS3 Compliant.

What is the input voltage range?

0V to 2V or 0V to 10V (precalibrated).

What is the output current range?

4 to 20 mA or 0 to 20 mA.

What is the typical nonlinearity?

0.002%.

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