SparkFun

FLIR Lepton 2.5 Thermal Imaging Module

Name: FLIR Lepton 2.5 Thermal Imaging Module
Brand: SparkFun
SKU: SF-SEN-16465
Price: 489.25 AUD
Availability: InStock

· MPN: SEN-16465

Infrared & Thermal Sensors Sensors Cameras

$489.25 |

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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, the three primary colours of light that are mixed in varying amounts to make a wide range of colours. In electronics RGB can refer to an LED or pixel that blends these three colours, or to a colour signal or interface that carries separate red, green and blue channels.
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 is when a sensor or instrument adjusts its readings to reduce errors caused by changes in temperature. This matters because a sensor's raw output often drifts as conditions warm or cool, so compensation keeps readings more consistent and accurate over time.