Overview
The LTC2983HLX#PBF is a high-precision digital temperature sensor produced by Analog Devices Inc. This device is optimized for high accuracy and flexibility in measuring temperatures from -200°C to 800°C. It is designed in a 48-Lead LQFP (7mm x 7mm) package, making it suitable for surface mounting. The LTC2983HLX#PBF is ideal for various applications requiring precise temperature measurements, including industrial control systems, medical equipment, automotive systems, aerospace and defense, and instrumentation and measurement devices.
Key Specifications
Parameter | Value |
---|---|
Package/Case | LQFP-48 |
Operating Supply Voltage | 2.85V to 5.25V |
Operating Supply Current | 15 mA |
Resolution | 24 bits |
Accuracy | 0.1°C |
Resolution | 0.001°C |
Operating Temperature Range | -40°C to 85°C (I-Grade) |
Input Range | -0.05 VDD to VDD - 0.3V |
Input Common Mode Rejection (50Hz/60Hz) | 120 dB |
Sleep Current | 25 µA to 60 µA |
Key Features
- Direct Digitization of Various Sensors: The LTC2983HLX#PBF can directly digitize RTDs, thermocouples, thermistors, and diodes, eliminating the need for additional amplification or signal conditioning.
- Single Power Supply: Operates from a single power supply voltage of 2.85V to 5.25V.
- Flexible Inputs: Features 20 flexible inputs that can be used to connect various types of temperature sensors, allowing for easy switching between different sensor types.
- Automatic Thermocouple Cold Junction Compensation: Automatically compensates for thermocouple cold junction effects, ensuring accurate temperature measurements.
- Built-In and User-Programmable Coefficients: Includes built-in coefficients for common temperature sensors and allows for custom coefficients for specific sensor types.
- Configurable RTD Configurations: Supports 2-, 3-, or 4-wire RTD configurations.
- Automatic Fault Detection: Includes automatic burn out, short-circuit, and fault detection capabilities.
- Buffered Inputs for External Protection: Allows for the connection of external protection devices to protect against overvoltage or electromagnetic interference.
- Simultaneous 50Hz/60Hz Rejection: Ensures accurate temperature measurements in the presence of common power line frequencies.
Applications
- Industrial Control Systems: Suitable for use in industrial control systems where precise temperature monitoring is critical.
- Medical Equipment: Used in medical equipment requiring high accuracy temperature measurements.
- Automotive Systems: Applied in automotive systems for reliable temperature monitoring.
- Aerospace and Defense Systems: Utilized in aerospace and defense systems due to its high accuracy and reliability.
- Instrumentation and Measurement Devices: Ideal for instrumentation and measurement devices that require precise temperature data.
Q & A
- Q: What is the operating temperature range of the LTC2983HLX#PBF?
A: The operating temperature range is -40°C to 85°C (I-Grade). - Q: What is the power supply voltage range of the LTC2983HLX#PBF?
A: The power supply voltage range is 2.85V to 5.25V. - Q: What types of temperature sensors can the LTC2983HLX#PBF measure?
A: The device can measure temperatures using RTDs, thermocouples, thermistors, and diodes. - Q: Does the LTC2983HLX#PBF support multiple RTD configurations?
A: Yes, it supports 2-, 3-, or 4-wire RTD configurations. - Q: What is the resolution of the LTC2983HLX#PBF?
A: The resolution is 24 bits with an accuracy of 0.1°C and a resolution of 0.001°C. - Q: Does the LTC2983HLX#PBF have automatic fault detection capabilities?
A: Yes, it includes automatic burn out, short-circuit, and fault detection capabilities. - Q: Can the LTC2983HLX#PBF measure negative thermocouple voltages?
A: Yes, it can measure negative thermocouple voltages. - Q: What is the input common mode rejection of the LTC2983HLX#PBF?
A: The input common mode rejection is 120 dB for 50Hz/60Hz. - Q: Does the LTC2983HLX#PBF support simultaneous 50Hz/60Hz rejection?
A: Yes, it supports simultaneous 50Hz/60Hz rejection. - Q: Can the LTC2983HLX#PBF be used in industrial control systems?
A: Yes, it is suitable for use in industrial control systems).