TSOP348xxRF1

www.DataSheet4U.com VISHAY TSOP348..RF1 Vishay Semiconductors IR Receiver Modules for Remote Control Systems Description The TSOP348..RF1 - series are miniaturized receivers for infrared remote control systems. PIN diode and preamplifier are assembled on lead frame, the epoxy package is designed as IR filter. The demodulated output signal can directly be decoded by a microprocessor. TSOP348..RF1 is the standard IR remote control receiver series for 3 V supply voltage, supporting all major transmission codes. 1 2 16666 3 Features Photo detector and preamplifier in one package Internal filter for PCM frequency Improved shielding against electrical field disturbance TTL and CMOS compatibility Output active low Supply voltage: 2.7 V to 5.5 V Improved immunity against ambient light Parts Table Part TSOP34830RF1 TSOP34833RF1 TSOP34836RF1 TSOP34837RF1 TSOP34838RF1 TSOP34840RF1 TSOP34856RF1 Carrier Frequency 30 kHz 33 kHz 36 kHz 36.7 kHz 38 kHz 40 kHz 56 kHz Mechanical Data Pinning: 1 = OUT, 2 = GND, 3 = VS Block Diagram Application Circuit 16833 3 30 kΩ Input PIN AGC Band Pass Demodulator VS 17170 OUT Circuit 1 Transmitter TSOPxxxx with TSALxxxx R1 = 100 Ω VS C1 = 4.7 µF VO +VS OUT GND µC GND 2 Control Circuit GND R1 + C1 recommended to suppress power supply disturbances. The output voltage should not be hold continuously at a voltage below VO = 2.0 V by the external circuit. Document Number 82237 Rev. 1, 16-Jun-03 www.vishay.com 1 TSOP348..RF1...