SparkFun

FLIR Lepton 2.5 Thermal Imaging Module

Name: FLIR Lepton 2.5 Thermal Imaging Module
Brand: SparkFun
SKU: SF-SEN-16465
Price: 475.01 AUD
Availability: InStock

· MPN: SEN-16465

Infrared & Thermal Sensors Sensors Cameras

$475.01 |

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The FLIR Lepton® 2.5 is a compact radiometric long wave infrared (LWIR) camera module for adding thermal imaging and non-contact temperature measurement to e...

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The FLIR Lepton® 2.5 is a compact radiometric long wave infrared (LWIR) camera module for adding thermal imaging and non-contact temperature measurement to embedded electronics, mobile devices and custom instruments.

Its 80 × 60 active pixel focal plane array captures calibrated temperature data in every pixel, making it useful as either an IR sensor or a thermal image sensor. Video data is delivered over SPI, with control via a CCI interface that is I2C-like.

This socket-version module uses a 32-pin mechanical interface to a standard Molex® socket. Supporting documentation includes the datasheet, getting started guide, engineering datasheet, software interface description document and an introduction to thermography basics.

Specifications:

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
Package Dimensions - Socket Version (w x l x h): 11.8 x 12.7 x 7.2 mm
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)

A specialised module for makers and engineers building thermal cameras, temperature monitoring systems or IR sensing prototypes.

Jargon buster

Plain-language definitions for the technical terms used above.

dynamic range: Dynamic range describes how wide a span of values a sensor can measure, from very low to very high. For a light sensor, a wide dynamic range means it can work in dim indoor settings as well as bright sunlight without changing hardware.
I2C: I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
Power dissipation: Power dissipation is electrical energy being turned into heat inside a component. It matters because too much heat can reduce efficiency, affect reliability, or require a larger component or better cooling.
RGB: Short for red, green and blue, usually referring to an LED that can mix those three colours. It matters because controlling an RGB LED teaches how separate outputs combine to create different colours.
SPI: A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
Temperature compensation: Temperature compensation means the sensor adjusts its readings to reduce errors caused by changes in water temperature. This matters for field monitoring because ponds, rivers, and tanks can vary in temperature throughout the day and across seasons.