Rato
The RT0104 is a CMOS Design for single tone alarm sound application
RT0104
Features
Low Operating Voltage 3V ~ 5V
CMOS process
On-Chip RC oscillator
Low stand by current
Pin Diagram
OSC2
OSC1
T1
GND
1
2
3
4
8
7
6
5
NC
VCC
BZ2
BZ1
RT0104
Pin Description
Symbol
OSC2
OSC1
T1
GND
BZ1
BZ2
VCC
NC
Description
Oscillator pin
Oscillator pin
Test Pin
Ground
Audio output
Audio output
Power
No connecting
Pin
1
2
3
4
5
6
7
8
I/O
I
O
O
O
O
Electrical Characteristics
Parameter
Operating Voltage
Stand-By Current
Operating Current
BZ1, BZ2
Driving Current
Operating Frequency
Symbol
Vcc
Isb
Iop
Ioh
Iol
Fop
Min.
3.0
1.0
1.0
Vcc=3V , Temp=25
Max.
Unit
Typ.
V
4.0
5.0
uA
50
60
uA
300
500
mA
mA
KHz
128
Absolute Maximum Ratings
Symbol
Vcc
Vi
Vo
Tst
Ttp
Parameter
Supply Voltage
Input Voltage
Output Voltage
Storage Temperature
Operating Temperature
Rating
-0.3 ~ 6
-0.3 ~ Vcc +0.3
-0.3 ~ Vcc +0.3
-40 ~125
0 ~ 65
Unit
V
V
V
2000.04.11
1
Single Tone Siren/Alarm Sound Generator