The AD590HM883 is a two-terminal integrated circuit temperature transducer from Analog Devices, producing an output current proportional to absolute temperature. It is commonly used in remote temperature sensing applications and offers excellent linearity and accuracy over a wide temperature range. The HM883 designation typically indicates a high-reliability version for military or aerospace applications.
Applications
- Remote Temperature Sensing
- Environmental Monitoring
- Cold Junction Compensation for Thermocouples
- Temperature Controllers
- Industrial Process Control
Features
- Linear Output: Output current is linearly proportional to absolute temperature.
- Two-Terminal Device: Simple to use with only two connections.
- Wide Temperature Range: Operates over a wide temperature range (typically -55°C to +150°C).
- High Accuracy: Offers excellent accuracy over its operating range.
- Calibrated Output: Requires no external calibration in most applications.
- High Reliability: HM883 version provides enhanced reliability for harsh environments.
Benefits
- Simplified Temperature Measurement: Easy to integrate into temperature sensing systems.
- Accurate Temperature Readings: Provides reliable and accurate temperature measurements.
- Reduced System Complexity: Simple two-terminal connection simplifies system design.
- Stable Performance: Maintains accuracy over a wide temperature range.
- High Reliability in Harsh Environments: HM883 version ensures reliable operation in demanding conditions.
Additional Details
The AD590HM883 acts as a high impedance, constant current source, where the current is directly proportional to the absolute temperature in Kelvin. The typical output current is 1 μA/K. It operates from a single power supply. The HM883 version undergoes stringent testing and screening to ensure high reliability, making it suitable for military, aerospace, and other demanding applications. The device provides a cost-effective and reliable solution for temperature sensing needs. Because it is a two terminal device, wiring is simple and straightforward. It's an ideal choice for applications where accurate and reliable temperature measurements are crucial. The package type is hermetically sealed.