LHI778 Infrared Thermoelectric Sensor For Human - body Movement Detectors

Product Features:

• It has a TO - 5 metal housing and different window sizes are available6. The LHI778 is designed to meet low - cost requirements and is equipped with a small - sized optical window.
• It is a dual - element detector, which includes a dual - element pyro - electric ceramic element with a FET in source - follower connection.
• It provides high responsivity, excellent common - mode performance (match), and has low noise in both steady - state and temperature - change conditions.
• It has improved EMI protection and reduced white - light immunity (WLI).

Technical Parameters:

• Minimum Responsivity (Rmin): 3.3
• Typical Responsivity (Rtyp): 4.2
• Maximum Match (Mmax): 10
• Maximum Noise (Nmax): 50
• Typical Noise (Ntyp): 20
• Detectivity (D*): 20
• Horizontal Field of View: 71°
• Vertical Field of View: 71°
• Source Voltage (Operating Voltage): 0.2 - 1.5V

Application Scope:

It is suitable for human - body movement detectors, passive infrared anti - theft alarms, automatic light switches, intrusion alarms,

high - end motion sensors, etc.

Packaging and Certification:

• Packaging: Usually in tray packaging.
• Certification: CE, RoHS.