FLIR Lepton 2.5 - Thermal Imaging Module

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  • FLIR Lepton 2.5 - Thermal Imaging Module front
  • PFLIR Lepton 2.5 - Thermal Imaging Module rear
  • FLIR Lepton 2.5 - Thermal Imaging Module pcb
  • FLIR Lepton 2.5 - Thermal Imaging Module example


The FLIR Lepton® 2.5 Thermal Imaging Module is a radiometric-capable long-wave infrared (LWIR) camera solution that is small enough to fit inside a smartphone and is less expensive than traditional IR cameras.
With a focal plane array of 80x60 active pixels, this Lepton easily integrates into native mobile-devices and other electronics as an IR sensor or thermal image sensor.
The radiometric Lepton captures accurate, calibrated, and non-contact temperature data in every pixel.
The Flir Lepton thermal imaging modules are used in a vast array of commercial and industrial applications, such as Mobile Phones, Gesture Recognition, Building Automation, Thermal Imaging and Night Vision.

  • Effective Frame Rate: 8.6 Hz (commercial application exportable)
  • Input Clock: 25-MHz nominal, CMOS IO Voltage Levels
  • Output Format: User-selectable 14-bit, 8-bit (AGC applied), or 24-bit RGB (AGC and colorization applied)
  • Pixel Size: 17 µm
  • Radiometric Accuracy: High gain: Greater of +/- 5°C or 5% (typical) Low gain: Greater of +/- 10°C or 10% (typical)
  • Scene Dynamic Range: -10-140 °C (high gain); up to 450°C (low gain) typical
  • Spectral Range: Longwave infrared, 8 µm to 14 µm
  • Temperature Compensation: Automatic. Output image independent of camera temperature.
  • Thermal Sensitivity: <50 mK (0.050° C)
  • Video Data Interface: Video over SPI
  • Control Port: CCI (I2C-like), CMOS IO Voltage Levels
  • Mechanical Interface: 32–pin socket interface to standard Molex® socket
  • Non-Operating Temperature Range: -40 °C to +80 °C
  • Optimum Temperature Range: -10°C to +80°C
  • Shock: 1500 G @ 0.4 ms
  • Array format: 80 × 60, progressive scan
  • FOV - Diagonal: 63.5°
  • FOV - Horizontal: 50° (nominal)
  • Image Optimization: Factory configured and fully automated
  • Non-Uniformity Correction (NUC): Automatic with shutter
  • Sensor Technology: Uncooled VOx microbolometer
  • Solar protection: Integral
  • Input Supply Voltage: 2.8 V, 1.2 V, 2.5 V to 3.1 V IO
  • Power Dissipation: 150 mW (operating), 650 mW (during shutter event), 4 mW (standby)

FLIR Lepton System Architecture (Simplified):

FLIR Lepton System Architecture

  • Length: 12.7mm (0.5")
  • Width: 11.5mm (0.453")
  • Depth: 7.14mm (0.281")

FLIR Lepton Module 2.5 Dimensions

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Additional Information

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