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LTC2983 Datasheet

LTC2983 Datasheet

Multi-Sensor High Accuracy Digital Temperature Measurement System
Part No.: LTC2983
Page: 72 Pages
Size: 8089 KB
Manufacturer: Linear Technology
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Views: 4
Update Time: 2024-05-05 15:54:54
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LTC2983 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTC2983CLX#PBF Tray 250 LTC2983LX 3 48 0°C ~70°C 48-Lead (7mm × 7mm) LQFP  
LTC2983ILX#PBF Tray 250 LTC2983LX 3 48 -40°C ~85°C 48-Lead (7mm × 7mm) LQFP  
LTC2983HLX#PBF Tray 250 LTC2983LX 3 48 -40°C ~125°C 48-Lead (7mm × 7mm) LQFP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTC2983 Datasheet(PDF)

LTC2983 Datasheet(Picture)

LTC2983 Features

  • Directly Digitize RTDs, Thermocouples, Thermistors, and Diodes
  • Single 2.85V to 5.25V Supply
  • Results Reported in °C or °F
  • 20 Flexible Inputs Allow Interchanging Sensors
  • Automatic Thermocouple Cold Junction Compensation
  • Built-In Standard and User-Programmable Coefficients for Thermocouples, RTDs and Thermistors
  • Configurable 2-, 3- or 4-Wire RTD Configurations
  • Measures Negative Thermocouple Voltages
  • Automatic Burn Out, Short-Circuit and Fault Detection
  • Buffered Inputs Allow External Protection
  • Simultaneous 50Hz/60Hz Rejection
  • Includes 10ppm/°C (max) Reference (I-Grade)

LTC2983 Applications

The LTC2983 measures a wide variety of temperature sensors and digitally outputs the result, in °C or °F, with 0.1°C accuracy and 0.001°C resolution. The LTC2983 can measure the temperature of virtually all standard (type B, E, J, K, N, S, R, T) or custom thermocouples, automatically compensate for cold junction temperatures and linearize the results. The device can also measure temperature with standard 2-, 3- or 4-wire RTDs, thermistors and diodes. It has 20 reconfigurable analog inputs enabling many sensor connections and configuration options. The LTC2983 includes excitation current sources and fault detection circuitry appropriate for each type of temperature sensor.

The LTC2983 allows direct interfacing to ground referenced sensors without the need for level shifters, negative supply voltages, or external amplifiers. All signals are buffered and simultaneously digitized with three high accuracy, 24-bit ΔΣ ADCs, driven by an internal 10ppm/°C (maximum) reference.

LTC2983 Description

  • Direct Thermocouple Measurements
  • Direct RTD Measurements
  • Direct Thermistor Measurements
  • Custom Sensor Applications

LTC2983 Datasheet Related Parts

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