ETC RT0620

Rato
RT0620
Description :
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,
The SOFT CHIRP only be generated within 200ms of the first sound.
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
Parameter
VCC
Conditions
Rating
Unit
Supply Voltage
-0.3 ~ 6
V
Vi
Input Voltage
-0.3 ~ VCC+0.3
V
Vo
Output Voltage
-0.3 ~ VCC+0.3
V
Tst
Storage Temperature
-40 ~ 125
°C
Ttp
Operating Temperature
-20 ~ 70
°C
Electrical Characteristics :
VCC = 3V ,
Symbol
Parameter
VCC
Operating Voltage
Isb
Conditions
Temp. = 25°C
Min.
Typ.
Max.
Unit
2.0
3.0
5.0
V
Stand-By Current
10
20
uA
Iop
Operating Current
300
500
uA
Ioh
BZ1, BZ2
VCC = 1.5V
1.0
mA
Iol
Driving Current
VCC = 1.5V
1.0
mA
Fop
Operating Frequency
128
1
K Hz