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Rato
RATO Technology Inc.,
RT0105
SINGLE TONE SIREN/ALARM SOUND GENERATOR WITH SOFT CHIRP
The RT0105 is a CMOS design for single tone alarm sound application. The SOFT CHIRP only be generated within 200ms of the first sound.
FEATURES :
1. Auto Power down function. 2. Low Operating Voltage 3V~5V. 3. CMOS process. 4. On-chip RC oscillator. 5. Low stand by current. 6. 200 ms SOFT CHIRP
PIN DIAGRAM
OSC2 1 OSC1 2
T1 3
RT0105
8 SOFTB 7 VCC 6 BZ2
PIN OUT AND DESCRIPTION
GND 4
Symbol
Description
OSC2 Oscillator pin
OSC1 Oscillator pin
T1 Test Pin
GND Ground
BZ1 Audio output
BZ2 Audio output
VCC Power
SOFTB Vcc = Single Tone
Open = Single Tone with 200 ms soft
chirp.
PIN
1 2 3 4 5 6 7 8
5 BZ1
I/P, O/P I/P O/P O/P
O/P O/P
I/P
October 12, 1997
1 RATO Technology Inc.
RT0105 Datasheet
