Rato
Description :
The SOFT CHIRP only be generated within 200ms of the first sound.
RT0620
The RT0620 is a CMOS design for six different alarm sounds application. According to the
priority of the select keys. The sound of RT0620 will be generated in cycling sequence,
Features :
Pin Out :
Auto Power off function
Low Operating Voltage 2V~5V.
CMOS process.
On-chip RC oscillator.
6 different sounds.
6 prioritized keys for selecting 6 different sounds.
Low stand by current.
200 ms SOFT CHIRP
Absolute Maximum Rating:
Symbol
VCC
Vi
Vo
Tst
Ttp
Parameter
Supply Voltage
Input Voltage
Output Voltage
Storage Temperature
Operating Temperature
Conditions
Rating
-0.3 ~ 6
-0.3 ~ VCC+0.3
-0.3 ~ VCC+0.3
-40 ~ 125
-20 ~ 70
Unit
V
V
V
擄C
擄C
Electrical Characteristics :
VCC = 3V ,
Temp. = 25擄C
Symbol
VCC
Isb
Iop
Ioh
Iol
Fop
Parameter
Operating Voltage
Stand-By Current
Operating Current
BZ1, BZ2
Driving Current
Operating Frequency
Conditions
Min.
2.0
Typ.
3.0
10
300
Max.
5.0
20
500
Unit
V
uA
uA
mA
mA
VCC = 1.5V
VCC = 1.5V
1.0
1.0
128
K Hz
1
1
