Vishay’s optoelectronics portfolio now encompasses a complete family of miniaturised automatic gain control category 5 (AGC5) IR receivers for remote control systems. Vishay’s AGC5 devices are suitable for codes with short bursts and offer excellent noise suppression, resulting in extended receiving distance under noise. The devices are immune to dimmed LCD backlighting, noise from plasma screens and any fluorescent lamps, leading sources of environmental optical noise severely impacting the performance of IR systems.
With an improved immunity against ambient light and insensitivity to supply voltage ripple and noise, the IR receivers are optimised for remote control applications in industrial and consumer applications, including set-top boxes, LCD TVs and DVD players, in which a robust transmission range and a clean signal in the presence of optical noise are vital.
Each receiver includes a photodetector and preamplifier circuit, mounted within an epoxy-encapsulated module that acts as an IR filter. The AGC5 receivers are specified for operation from 2,5 V to 5,5 V with a minimum irradiance of 0,1 to 0,15 mW/m², depending on the package. This translates to a transmission range of 45 metres in dark ambients for most standard remote controls. The modules feature a carrier frequency range from 30 kHz to 56 kHz, offer a low 0,35 mA supply current, and comply with RoHS 2002/95/EC and WEEE 2002/96/EC.
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