desc-ription the tsop48.. - 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. he demodulated output signal can directly be decoded by a microprocessor. tsop48.. is the stan- dard ir remote control receiver series, supporting all major transmission codes. 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 low power consumption.