TSSP57P38

22531-1 www.vishay.com TSSP57P38 Vishay Semiconductors IR Detector for Mid Range Proximity Sensor FEATURES Height of 0.8 mm Up to 2 m for proximity sensing Receives 38 kHz modulated signal Photo detector and preamplifier in one package Low supply current Shielding against EMI Visible light is suppressed by IR filter Insensitive to supply voltage ripple and noise Supply voltage: 2.5 V to 5.5 V Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 LINKS TO ADDITIONAL RESOURCES Product Page 3D 3D 3D Models Calculators Marking DESCRIPTION The TSSP57P38 is a compact infrared detector module for proximity sensing application. It receives 38 kHz modulated signals and has a peak sensitivity of 940 nm. The length of the detector’s output pulse varies in proportion to the amount of light reflected from the object being detected. ORDERING CODE Taping: TSSP57P38TT1 - top view taped, 1800 pcs/reel APPLICATIONS Object approach detection for activation of displays and user consoles, signaling of alarms, etc. Simple gesture controls Differentiation of car arrival, static, car departure in parking lots Reflective sensors for toilet flush Navigational sensor for robotics BLOCK DIAGRAM 16833_20 33 kΩ Input AGC Band pass Demodulator PIN Control circuit 4, 5 VS 1 OUT 2, 3, 6, 7, 8 GND PROXIMITY SENSING +3 V IR emitter Envelope signal 38 kHz +3 V Out to μC TSSP57P38 Rev. 2.2, 30-Mar-2021 1 Document Numbe...