single tone siren/alarm sound generator the RT0100 is cmos design for single tone alarm sound application features low operating v oltage 2v~5v cmos processon-chip rc oscillator low stand by current electrical characteristics pin description absolute maximum ratings rato RT0100 2000.04.11 pin diagram osc2 osc1 ini gnd 1 2 3 4 8 7 6 5 nc vcc bz1 bz2 RT0100 symbol description pin i/o osc2 oscillator pin 1 i osc1 oscillator pin 2 o an internal pull-up resistor . might disable bz1, bz2 when connected to gnd. ini gnd nc ground audio output audio output power no connecting bz1 bz2vcc 3 4 5 6 7 8 i o o parameter symbol min. typ. max. unit operating v oltage stand-by current operating current operating frequency bz1, bz2 driving current vcc isbiop ioh iol fop 2.0 1.0 1.0 3.0 30300 128 5.0 50500 v uaua ma ma khz symbol vcc vi vo tst ttp parameter supply v oltage input v oltage output v oltage storage t emperature operating t emperature rating -0.3 ~ 6 -0.3 ~ vcc +0.3 -0.3 ~ vcc +0.3 -40 ~125 0 ~ 65 unit v v v 1 vcc=3v , temp.=25
|