AD694 4-20mA Monolithic Current Transmitter IC
Specification:-
- Supply Voltage: 36 V
- VS to IOUT: 36 V
- Input Voltage: –0.3 V to +36 V
- Reference Short Circuit to Common: Indefinite
- 4 mA On/Off: 0 V to 36 V
- Lead Temperature: 300°C
- Storage Temperature Range: −65°C to +150°C
SKU: AF8501A
AD694 4-20mA Monolithic Current Transmitter IC
The AD694 is a monolithic current transmitter IC specifically designed for precision current loop applications, providing a reliable and straightforward solution for converting voltage inputs into a standard 4-20mA current output. Widely used in industrial control and process monitoring, this IC ensures robust and accurate signal transmission over long distances, making it a staple in applications such as sensor interfacing, remote data transmission, and automation systems. The AD694 accepts a voltage input and converts it into a proportional current output within the 4-20mA range, which is the standard for industrial analog signal transmission due to its resilience to electrical noise and signal degradation. This makes the IC highly suitable for environments where maintaining signal integrity over extended cable lengths is crucial. The transmitter supports input voltages in various configurations, allowing it to interface seamlessly with a range of sensors and data acquisition systems. Built for reliability and precision, the AD694 features low offset and high linearity, ensuring accurate current scaling across its operational range. It operates from a single power supply and integrates an internal voltage reference, simplifying circuit design and reducing the need for additional external components. Furthermore, the IC is designed for low power consumption, which is essential for energy-efficient systems.
Features:-
- High-Speed Operation
- Wide Operating Voltage Range
- Low Power Consumption
- Input Buffer Amplifier
- Optional External Pass Transistor to Reduce Self-Heating Errors
