Compared to previous-generation devices, the fixed-gain sensors released today provide higher interference strength without spurious signals and an output pulse width closer to the optical burst length. In addition, they offer an almost constant detection threshold over their -25°C to +85°C temperature range and can detect a valid IR signal up to a higher DC illuminance level.

The TSSP9xxx AGC 0 is a good choice for fast proximity applications (~15ms) by using a burst pattern with variable intensity. The devices are ideal for sensing the distance to objects for drones, robots, toys and vicinity switches. They may also be used as reflective sensors for hand dryers, towel or soap dispensers, water faucets, toilets, vending machine fall detection, and security and pet gates. To simplify designs in these applications, TSSP9xxx series devices feature a PIN photodiode and sensor IC in compact Minimold, Mold, Heimdall, Panhead and Minicast packages.

The modules operate at a supply voltage range from 2.0V to 3.6V, feature a low supply current of 0.8mA, and offer carrier frequencies of 38kHz and 56kHz. The sensors are designed to receive IR pulses from an emitter with a peak wavelength of 940nm. They are insensitive to supply voltage and ripple noise and provide shielding against EMI, while an IR filter suppresses visible light. The entire series is RoHS-compliant, halogen-free and Vishay Green.

As a franchise distributor for Vishay, New Yorker Electronics is always at the forefront with the latest Vishay product updates and releases. New Yorker Electronics supplies the full line of Vishay Semiconductors and Passive Components.

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Vishay Sensors Offer Long-Range Presence & Proximity Sensing for Light-Curtain Applications