M3731-1

一華半導體股份有限公司 MOSDESIGN SEMICONDUCTOR CORP. TAIPEI : TEL : FAX : H.K. : TEL : FAX : 886-2- 22783733 886-2- 22783633 852- 27569109 852- 27566961 SIREN 4 SIRENS & MACHINE GUN 2 LEDS BLINKING FEATURES 功能敘述 功能敘述 • One-shot / Level-hold option. • 2 LEDS BLINKING. • PS : Sequence input key. • MOTOR : Active High. 帶燈 4 種警報聲 IC KEY K1 K2 K3 K4 PS LED MOTOR SOUND LIST FIRE ENGINE SIREN AMBULANCE SIREN POLICE SIREN MACHINE GUN SEQUENCE KEY ( @VDD=3V Typ. ) M3731 HORN M3731 1 Time 2 Time 2 Time 2 Time 2mA NO M3731-1 2 Time 16 Time 16 Time 2 Time 2ma NO M3731-2 1 Time 2 Time 2 Time 2 Time 6mA YES M3731-3 2 Time 16 Time 16 Time 2 Time 6mA YES APPLICATION 產品應用 產品應用 • Toys, Key chain, Alarm system, Musical instrument. ELECTRICAL CHARACTERISTICS 電氣規格 電氣規格 Characteristics 工作電壓 Operating Voltage 工作電流 Operating Current 靜態電流 Quiescent Current 推動電流 BZ Driving Current 推動電流 LO Driving Current 振盪頻率 Oscillator Frequency 工作溫度 Operating Temperature Sym. VDD IOP ISB IO IOL FOSC Temp. Min. ― ― ― 1 2 ― 0 Typ. 3 0.1 1 ― ― 100 25 Max. 4.5 0.5 5 ― ― ― 60 Unit V mA μA mA mA KHz ℃ ( @VDD=3V unless otherwise specified ) REMARKS No load @ VDS=1V @ VDS=1.2V External±30%, Rosc=180KΩ APPLICATION DIAGRAM 參考電路圖 參考電路圖 •(A) M3731/M3731-1 M3731/-1P VDD BZ BB K1 K2 K3 K4 PS K2 1 K1 LH VDD Y 18 VDD K3 K4 PS LH BB BZ VDD Y X Rosc M3731/-1 1.8 x 1.5mm2 底=VDD X L2 L1 VSS L1 L2 VSS 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 一華半導體股份有限公司 MOSDESIGN SEMICONDUCTOR CORP. TAIPEI : TEL : FAX : H.K. : TEL : FAX : 886-2- 22783733 886-2- 22783633 852- 27569109 852- 27566961 SIREN 4 SIRENS & MACHINE GUN 2 LEDS BLINKING 帶燈 4 種警報聲 IC M3731 HORN APPLICATION DIAGRAM 參考電路圖 參考電路圖 •(B) M3731-2/M3731-3 VDD VDD VDD M3731-2/-3P K2 MOTOR BZ K1 K2 K3 K4 PS VDD LH MOTOR K1 BZ 1 18 K3 K4 PS M VDD VDD Y M3731-2/-3 L2 L1 VSS VDD Rosc X L2 L1 9 10 Y X VSS 1.8 x 1.5mm2 底=VDD *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