The LRM-292 from InfraTec GmbH Infrarotsensorik und Messtechnik is a Multi-Channel Pyroelectric Detector that has a minimum field of view of 60 deg. It has a detectivity of 3 x 108 cm·sqrt(Hz)/W and maximum rms noise density of 45 &muV/sqrt(Hz). This lithium tantalate pyroelectric detector operates in current mode and has a thermal time constant of 75 ms. It has rectangular filters that measure 1.85 mm x 1.45 mm ± 0.1 mm with a standard thickness of 0.5 mm.
The LRM-292 has an element size of 1.2 mm x 0.8 mm and a voltage responsivity of 65,000 V/W. It has 2 channels, a feedback resistor of 100 GOhms, and feedback capacitor of 0.3 pF ± 0.1 pF. This pyroelectric detector requires a DC supply voltage of 2.7 V - 5 V and consumes 900 &muA of current. It has a CMOS operational amplifier and is available in a TO46 housing with an aperture size of 3 mm x 2 mm. This pyroelectric detector is ideal for gas analysis & flame detection applications.
