FLIR Lepton 1.5 - User Manual

FLIR LEPTON® Engineering Datasheet
The information contained herein does not contain technology as defined by the EAR, 15 CFR 772, is publicly available,
and therefore, not subject to EAR. NSR (6/14/2018).
Information on this page is subject to change without notice.
Lepton Engineering Datasheet, Document Number: 500-0659-00-09 Rev: 203
1
General Description
Lepton® is a complete long-wave infrared
(LWIR) camera module designed to interface
easily into native mobile-device interfaces and
other consumer electronics. It captures infrared
radiation input in its nominal response
wavelength band (from 8 to 14 microns) and
outputs a uniform thermal image with
radiometry
1
to provide temperature image with
measurements.
Lepton Features
2
• Integral shutter configurations
• Configurations with 25°, 50° and 57°
HFOV (f/1.1 silicon doublet)
• LWIR sensor, wavelength 8 to 14 µm
• Arrays with 80x60 and 160x120 active
pixels available
• Thermal sensitivity <50 mK
• Integrated digital thermal image
processing functions, including
automatic thermal environment
compensation, noise filters, non-
uniformity correction, and gain control
• Radiometric accuracy
1
(35°C blackbody)
o High gain: ±5C @ 25°C
o Low gain ±10C @ 25°C
• Radiometric Leptons
1
feature
temperature measurement including
per pixel and frame radiometric output
(TLinear) and Spotmeter
• Export compliant frame rate (< 9 Hz)
• SPI video interface
• Two-wire I2C serial control interface
1
Radiometric Leptons are 2.5 and 3.5.
• Uses standard cell-phone-compatible
power supplies: 2.8 V to sensor, 1.2 V to
digital core, and flexible IO from 2.8 V
to 3.1 V
• Fast time to image (< 1.2 sec)
• Low operating power
o Nominally 160 mW
o 800mW typical during shutter
event (~1s)
o Low power mode 5 mW
• RoHS compliant
• 32- pin socket interface to standard
Molex or similar side-contact connector
Applications
• Mobile phones
• Gesture recognition
• Building automation
• Thermal imaging
• Night vision
2
All specifications subject to change without notice

FLIR Lepton 1.5 Specifications

General

Thermal Resolution	80 x 60 pixels
Interface	SPI
Thermal Sensitivity (NETD)	< 50 mK
Operating Temperature	-10 °C to +80 °C
Frame Rate	9 Hz
Temperature Range	-10°C to 80 °C
Spectral Range	8 µm to 14 µm
Power Consumption	150 mW
Weight	0.9 grams
Storage Temperature	-40°C to +85 °C
Output Format	14-bit digital

Summary

Introduction

Key Specifications

Summary of critical technical specifications for different Lepton configurations.

System Architecture

Explains the internal architecture and main components of the Lepton camera module.

Functional Description

Video Pipeline

Explains the video pipeline stages including NUC, defect replacement, filtering, AGC, and colorization.

Operating States and Modes

Power States

Details the five power states of the Lepton camera and their transitions.

FFC States

Describes the three Flat Field Correction (FFC) modes: External, Manual, and Automatic.

Gain States

Explains the gain selection modes (High, Low, Automatic) for Lepton 2.5 and 3.5.

Telemetry Modes

Outlines the three telemetry modes (disabled, header, footer) impacting video output signal.

Radiometry Modes

AGC Modes

Video Output Format Modes

Interface Descriptions

Command and Control Interface

VoSPI Channel

Electrical Specifications

Lepton Pin-out

Environmental Specifications