unisonic technologies co., ltd LM8003 preliminary cmos ic www.unisonic.com.tw 1 of 4 copyright ? 2011 unisonic technologies co., ltd qw-r502-603.a 3 sirens and machine gun with 2 leds ? description this chip is a cmos lsi designed for the applications, such as game box, toys ?, and so on. it is easy for you to design your consumer products using minimum application circuit. the sound can be selected to fire engine siren, ambulance siren, police siren and machine gun sound mode. sequence function from s1 to s4 and one shot or sequence and level hold function can be programmed by changing push down different switch. ? features * 2.0v ~ 5v power supply * 2 leds flash * low power consumption * bb&bz output directly drive piezo buzzer. * 3 sirens and machine gun sound * one shot or sequence and level hold function option
LM8003 preliminary cmos ic unisonic technologies co., ltd 2 of 4 www.unisonic.com.tw qw-r502-603.a ? pad configuration ? pad function pad name description nc no connect bz sound output pin 1 bb sound output pin 2 l1 led output pin. l2 led output pin. v dd positive power supply test test pin osci oscillator input pin y oscillator output pin gnd negative power supply lh level hold psk sequence function from s1 to s4 sound s4 machine gun sound s3 police siren sound s2 ambulance siren sound s1 fire engine siren sound
LM8003 preliminary cmos ic unisonic technologies co., ltd 3 of 4 www.unisonic.com.tw qw-r502-603.a ? absolute maximum rating parameter symbol ratings unit dc supply voltage v dd 2~ 5 v input/output voltage v in gnd-0.3~v dd +0.3 v operating temperature t opr -10~60 c storage temperature t stg -25~125 c note: absolute maximum ratings are those values be yond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? electrical characteristics (ta=25 o c, v dd =3.0v, gnd=0v, unless otherwise specified) parameter symbol test conditions min typ max unit operating voltage v dd 3.0 v standby current i stb v dd =3v, i/o open 2 100 ua operating current i op v dd =3v, i/o open 0.1 0.5 ma bz, bb driving current i o v ds =1v 10 ma led sink current i led v led =1.8v 20 ma oscillator frequency f osc v dd =3v 125 150 175 khz
LM8003 preliminary cmos ic unisonic technologies co., ltd 4 of 4 www.unisonic.com.tw qw-r502-603.a ? typical application circuit utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
|
