Vishay has broadened its optoelectronics portfolio with the introduction of a new series of ultra-miniature SMT IR receivers for remote control systems. With a typical irradiance of 0,15 mW/m², low supply current of 0,35 mA at 3,3 V, and a 3 mm profile, the TSOP75xxx series devices offer an excellent sensitivity-to-size ratio.
Based on the proven two-lens concept, the TSOP75xxx series utilises two photodiodes to completely offset the loss of light-gathering capability, which occurs when a lens is shrunk to a smaller size. This design makes it possible to shrink the IR receivers up to 66% by volume, while at the same time increasing the sensitivity and offering a wide receiving angle.
The devices are offered in three automatic gain control (AGC) versions. The TSOP752xx is compatible with all common IR remote control data formats. The TSOP753xx and TSOP754xx suppress almost all spurious pulses from energy-saving fluorescent lamps, including dimmed LCD backlighting, and are compatible with short-burst or long-burst codes, respectively.
To further simplify designs, the receivers offer two photo detectors and a preamplifier in one package, with two epoxy lenses designed as an IR filter. The filter features a frequency range optimised to reduce emissions from plasma displays. Compatible with top- or side-view use, the devices are insensitive to supply voltage and ripple noise and offer improved immunity against ambient light.
The receivers offer a supply voltage range of 2,5 V to 5,5 V and operate over a carrier frequency of 30 kHz to 56 kHz. All devices are in accordance with RoHS 2002/95/EC and WEEE 2002/96/EC.
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