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Aerospace

Through-Hole IR Receivers Offer Improved Optical Performance and RF Noise Rejection

23 August 2016

Vishay Intertechnology, Inc. has broadened its optoelectronics portfolio with two series of miniature infrared (IR) receiver modules for IR remote control applications in consumer products. Offered in the new Minimold package, Vishay Semiconductors TSOP33xxx and TSOP53xxx series devices deliver the same RF noise rejection as Minicast receivers, while surpassing the high optical performance of Mold package devices.

TSOP33xxx and TSOP53xxx series IR receivers. Source: Vishay. TSOP33xxx and TSOP53xxx series IR receivers. Source: Vishay.

For products such as televisions, set-top boxes, air conditioners and hi-fi audio systems, the devices provide high sensitivity with typical irradiance down to 0.08 mW/m2 at 0° for the TSOP33xxx series and 0.12 mW/m2 for the TSOP53xxx series. While the 0° sensitivity is the same as for the Mold package, the Minimold package exhibits higher sensitivities than the Mold device at all off-angles up to 45°. The Minimold package also comes with the proven “F” option for an enhanced optical filter against out-of-band optical noise.


To simplify designs, TSOP33xxx and TSOP53xxx series devices feature a photo detector, preamplifier circuit and IR filter in a single three-pin epoxy package. The receivers offer a supply voltage from 2.5 V to 5.5 V; very low supply current of 0.35 mA typical for the TSOP33xxx series and 0.7 mA for the TSOP53xxx series; transmission range up to 45 meters; and carrier frequencies from 30 kHz to 56 kHz. The devices provide improved immunity against ambient light and are insensitive to supply voltage variations and ripple noise.


The IR receivers are offered in five automatic gain control (AGC) versions for short and long burst codes. The TSOP331xx, TSOP332xx, TSOP531xx, and TSOP532xx provide legacy compatibility with all common IR control data formats. The TSOP333xx,TSOP334xx, TSOP533xx, and TSOP534xx are ideal for all remote control applications and suppress spurious pulses from energy-saving lamps and Wi-Fi sources, in addition to continuously transmitted data signals.


While devices in Mold and Minicast packages only support wave or hand soldering, Minimold receivers with the “P” option also provide support for IR reflow soldering. TSOP33xxx and TSOP53xxx series receivers are available in two holder and three bend options, including a top-view surface-mount version. The devices are RoHS-compliant and halogen-free.


Samples and production quantities of the TSOP33xxx and TSOP53xxx series are available now, with lead times of four weeks.



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