TAIPEI : TEL : FAX : H.K. : TEL : FAX : 一華半導體股份有限公司 MOSDESIGN SEMICONDUCTOR CORP. 4 SIRENS & MACHINE GUN 2 LEDS BLINKING 886-2- 22783733 886-2- 22783633 852- 27569109 852- 27566961 SIREN 帶燈 4 種警報聲 IC FEATURES 功能敘述 KEY K1 K2 K3 K4 PS LED MOTOR • One-shot / Level-hold option. • 2 LEDS BLINKING. • PS : Sequence input key. • MOTOR : Active High. HORN M3731 SOUND LIST FIRE ENGINE SIREN AMBULANCE SIREN POLICE SIREN MACHINE GUN SEQUENCE KEY ( @VDD=3V Typ. ) M3731 1 Time 2 Time 2 Time 2 Time M3731-1 2 Time 16 Time 16 Time 2 Time M3731-2 1 Time 2 Time 2 Time 2 Time M3731-3 2 Time 16 Time 16 Time 2 Time 2mA NO 2ma NO 6mA YES 6mA YES APPLICATION 產品應用 • Toys, Key chain, Alarm system, Musical instrument. ELECTRICAL CHARACTERISTICS 電氣規格 Characteristics 工作電壓 Operating Voltage Sym. ( @VDD=3V unless otherwise specified ) VDD Min. ― Typ. 3 Max. 4.5 Unit V 工作電流 Operating Current IOP ― 0.1 0.5 mA 靜態電流 Quiescent Current ISB ― IO 1 5 ― μA 推動電流 BZ Driving Current 1 ― 推動電流 LO Driving Current IOL FOSC 2 ― ― 振盪頻率 Oscillator Frequency 100 工作溫度 Operating Temperature Temp. 0 25 60 REMARKS No load mA @ VDS=1V ― mA ― KHz ℃ @ VDS=1.2V External±30%, Rosc=180KΩ APPLICATION DIAGRAM 參考電路圖 •(A) M3731/M3731-1 M3731/-1P VDD VDD BZ BB K1 K2 K3 K4 K2 PS 1 K3 18 K1 LH VDD Y M3731/-1 1.8 x 1.5mm2 底=VDD K4 PS BB BZ LH Y VDD X L2 X L1 VSS L2 VSS L1 9 10 *All specs and applications shown above subject to change without prior notice. ( 以㆖電路及規格僅供參考,本公司得逕行修正 ) 1/2 2001-09-07 Rosc TAIPEI : TEL : FAX : H.K. : TEL : FAX : 一華半導體股份有限公司 MOSDESIGN SEMICONDUCTOR CORP. 4 SIRENS & MACHINE GUN 2 LEDS BLINKING SIREN M3731 帶燈 4 種警報聲 IC APPLICATION DIAGRAM 參考電路圖 •(B) M3731-2/M3731-3 VDD VDD M3731-2/-3P VDD K2 M MOTOR BZ K1 K2 K3 K4 PS VDD 1 18 K3 K1 K4 BZ PS LH MOTOR VDD Y VDD M3731-2/-3 L2 886-2- 22783733 886-2- 22783633 852- 27569109 852- 27566961 VDD 1.8 x 1.5mm2 底=VDD Y Rosc X X L2 VSS L1 VSS L1 9 10 *All specs and applications shown above subject to change without prior notice. ( 以㆖電路及規格僅供參考,本公司得逕行修正 ) 2/2 2001-09-07 HORN