The AD694ARZ is a high-performance, monolithic current transmitter from Analog Devices Inc. that converts a voltage input into a current output. Designed to cater to a wide array of industrial and automation applications, this device is capable of producing a 4-20mA signal that is proportional to the input voltage. The 4-20mA current loop is a standard in the industry, known for its ability to transmit signals over long distances with high immunity to electrical noise, making the AD694ARZ an ideal choice for harsh industrial environments.
Key Features
- Easy to Use: The AD694ARZ simplifies designs by integrating a precision voltage-to-current conversion circuit, which requires minimal external components.
- High Accuracy: It boasts a high level of accuracy and linearity, ensuring that the output current accurately reflects the input voltage.
- Wide Supply Range: The device operates over a wide supply voltage range, accommodating various applications and simplifying power supply design.
- Loop-Powered Operation: The transmitter can be powered directly from the current loop, eliminating the need for a separate power supply in many cases.
- Robust Output: The 4-20mA output is less susceptible to noise and can drive long cable runs, making it ideal for process control systems.
Applications
The AD694ARZ is versatile and can be used in a variety of applications, including:
- Process control systems
- Industrial control systems
- Data acquisition systems
- Remote sensing and telemetry
- Automated test equipment
Technical Specifications
| Parameter |
Value |
| Output Range |
4-20mA |
| Supply Voltage |
7V to 36V |
| Operating Temperature |
-40°C to +85°C |
| Package |
16-Lead SOIC |
With its robust construction, ease of use, and compatibility with standard industry practices, the AD694ARZ from Analog Devices Inc. is an excellent choice for professionals seeking a reliable current transmitter for their control systems.