报警IC TC3710AB警报声IC

 

Features:

l        Alarm siren sound

l        ON/OFF: toggle switch.(PANIC对VSS时)

l        PANIC: continuous

l        LED: 1.2Hz LED flash output

l        内建振荡电阻, 外加电阻可加快。

General Description:

This chip is a new type of CMOS sound generator designed with sound composite system using minimum application circuit .It is dedicated to the applications such as rhythm box, alarm, etc. and is easy for you to design your consumer products.

Electrical Characteristics

Parameter	Symbol	Min	Typ	Max	Unit	Condition
Operating Voltage	Vdd	2.2	3.0	4.8	V	-
Operating   Current	Iop	-	50	200	uA	No load
current	Istb	-	1	5	uA	-
BZ   Driving current	Idrv	-	6	-	mA	@Vds=1.2V
LED   driving current	Iot	-	20	-	mA	@Vds=1v
Oscillator   Frequency	Fosc	-	320	-	KHz	External±30%
Operating   Temperature	Temp	0	25	60	℃	-

 Application Circuit:(IC SUB to VDD)