M3740B MOSDESIGN | Alldatasheet
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4 SIREN 4 種警報聲 IC
TAIPEI : TEL : 886-2- 22783733 FAX : 886-2- 22783633 H.K. : TEL : 852- 27569109 FAX : 852- 27566961 HORN 一華半導體股份有限公司 MOSDESIGN SEMICONDUCTOR CORP. FEATURES 功能敘述 ‧ 4 programmable sound outputs. ‧ LED blinking output. APPLICATION 產品應用 ‧ Alarm system, toys etc.. ELECTRICAL CHARACTERISTICS 電氣規格 ( @VDD=3V unless otherwise specified ) Characteristics Sym. Min. Typ. Max. Unit REMARKS 工作電壓 Operating V oltage VDD ─ 34 . 5V 工作電流 Operating Current IOP ─ 0.1 0.5 mA No load 靜態電流 Quiescent Current ISB ─ 15 μA 推動電流 BZ Driving Current IO 1 ── mA @V DS=1V 推動電流 LO Driving Current IOL 2 ── mA @V DS=1.2V 振盪頻率 Oscillator Frequency FOSC ─ 128 ─ KHz External±30%, Rosc=130KΩ 工作溫度 Operating Temperature Temp. 0 25 60 ℃ APPLICATION DIAGRAM 參考電路圖 *All specs and applications shown above subject to change without prior notice. ( 以上電路及規格僅供參考,本公司得逕行修正 ) KEY M3740B K1 ALARM K2 POLICE K3 FIRE K4 AMBULANCE M3740B-L16P VSS VDD BZ LO X Y LH TEST K3 K2 11 6 VSS VDD BZ K4 K2 TEST X Y M3740B-L8P VDD LH VSS M3740B 1.35 x 1.1 0 mm2 底=VDD Y Rosc X LO BZ K2K3K4
TAIPEI : TEL : 886-2- 22783733 FAX : 886-2- 22783633 H.K. : TEL : 852- 27569109 FAX : 852- 27566961 HORN 一華半導體股份有限公司 MOSDESIGN SEMICONDUCTOR CORP. PAD ASSIGNMENT & POSITION * CHIP SIZE ~ 1.35 x 1.10 mm2 * IC substrate should be connected to VDD in PCB (PCB 上 IC 必須接 VDD). *All specs and applications shown above subject to change without prior notice. ( 以上電路及規格僅供參考,本公司得逕行修正 ) UNIT : um No. NAME X Y 1 VDD -347.25 426.25 2 VSS -177.25 371.25 3 LH -5.25 371.25 4 X 550 412.5 5 Y 550 -226.75 6 TEST 183.5 -427.5 7 K1 11.5 -427.5 8 K2 -160.5 -427.5 9 K3 -332.5 -427.5 10 K4 -504.5 -427.5 11 LO -496.5 -50.25 12 BZ -496.5 218.25 ( 0,0 ) X Y 6789