combined cycle-IC. LP7618B Datasheet

LP7618B cycle-IC. Datasheet pdf. Equivalent

Part LP7618B
Description 6 sound alarm 6 key independent or combined cycle-IC
Feature SHENZHEN LAND-HOP MICRO-ELECTRONICS LTD. 6 6 IC FEATURES z ,; z RC ,; z ; z CMOS ,,:2.5~5V; SIR.
Manufacture LAND-HOP MICRO-ELECTRONICS
Datasheet
Download LP7618B Datasheet

SHENZHEN LAND-HOP MICRO-ELECTRONICS LTD. 6 6 IC FEATURES LP7618B Datasheet
Shenzhen Silvan Chip Electronics Tech.Co.,Ltd. LP7618B 6 6 LP7618B Datasheet
Recommendation Recommendation Datasheet LP7618B Datasheet





LP7618B
SHENZHEN LAND-HOP MICRO-ELECTRONICS LTD.
6 声报警器 6 键独立或组合循环 IC
FEATURES 功能叙述
z 自动断电设计,降低系统耗电;
z 内建 RC 振荡线路,无需外加石英振荡器;
z 可设定声音出现之优先顺序;
z CMOS 设计,静态功耗低,低工作电压范围宽:2.5~5V;
SIREN
LP7618B
APPLICATION 产品应用
z 玩具或报警系统等;
ELECTRICAL CHARACTERISTICS 电气规格
Characteristics
Sym. Min.
工作电压 Operating Voltage
VDD 2.5
工作电流 Operating Current
IOP 120
静态电流 Quiescent Current
ISB 10
推动电流 BZ1 Driving Current
IOH 5.0
推动电流 BZ2 Driving Current
IOL 6.0
振荡频率 Oscillator Frequency FOSC 145
工作温度 Operating Temperature Temp. -20
(@VDD=3V unless otherwise specified)
Typ. Max. Unit
REMARKS
3.0 5.0 V No load
200 700 uA No load
30 50 uA No load
8.0 20.0 mA No load
7.0 28.0 mA No load
155 160 KHz ROSC=300KΩ
25 75 ℃
APPLICATION DIARAM 参考电路图
附:新旧版 IC 振荡电阻对照表
型号
振荡电阻(KΩ)
LP7618 47 56 82 100 120
LP7618B 180 200 300 360 390
说明:此对照表是以声音的快慢为标准,即若 LP7618B 要达到 LP7618 在 82K 时的声音速度,
则须要用 300K 的振荡电阻。
z All specs and applications shown above subject to change without prior notice.
(以上电路及规格仅供参考,本公司得迳行修正.)
2003-11-25 REV1.0
-1-





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