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EE Times-India > Optoelectronics/Displays

Remote control IR receivers boast 0.8mm height

Posted: 20 Apr 2012     Print Version  Bookmark and Share

Keywords:IR  receiver  remote control 

Vishay Intertechnology Inc. introduces the TSOP57x series (which includes the TSOP572.., TSOP573.., TSOP574.., and TSOP575.. devices) of remote control receivers that claim the industry's best combination of size and angle of sensitivity.

 TSOP57x series

The TSOP57x series devices combine an ultra-low height of 0.8mm with a wide angle of sensitivity of 150°.

According to Vishay, the devices combine an ultra-low height of 0.8mm with a phenomenally wide angle of sensitivity of 150°. The receivers feature Vishay's hallmark sensitivity, resulting in a receiving distance of 40m.

Vishay's TSOP57x low-profile IR receivers are targeted at applications such as flat-panel LCD displays, plasma TV displays, set-top boxes, stereo systems, and in-room air-conditioners. The TSOP57x IR receivers have no lens, yet they provide on-axis sensitivity equal to any surface-mount receiver on the market, noted Vishay.

At an off-axis angle of 45°, the receivers' sensitivity is much better than devices with a lens, retaining 85 per cent of their on-axis sensitivity. Because remote control receivers are placed behind cosmetic windows that typically absorb some infrared light, this high sensitivity allows the TSOP57x series to outperform other surface-mount receivers on the market, said Vishay.

The receivers feature Vishay's intelligent automatic gain control (AGC), claiming the industry's best noise suppression in versions that include AGC2, -3, -4, and -5. They have peak sensitivity of 940nm and are available in modulation frequencies of 36kHz, 38kHz, 40kHz, and 56kHz.

The devices feature an environmentally friendly "green" construction compliant to RoHS Directive 2011/65/EU and in accordance to WEEE 2002/96/EC.

Samples and production quantities of the TSOP572.., TSOP573.., TSOP574.., and TSOP575.. are available now, with lead times of six to eight weeks for larger orders.

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