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ZSD100 Datasheet PDF : 8 Pages
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AUTOMOTIVE AND HOUSEHOLD
SECURITY SIREN DRIVER
ISSUE 7 – JULY 2006
ZSD100
INTRODUCTION
The ZSD100 is a frequency swept alarm
signal generator designed specifically for
static and automotive security alarm
systems. One ZSD100, two timing
capacitors, an in-expensive TO92 darlington,
piezo transducer and coupling transformer
is all that is necessary to produce an ear
piercing 120 dB alarm siren.
Including an audio frequency signal
generator, low frequency sweep generator,
disable circuitry and output driver stages,
the ZSD100 provides every function
necessary to produce a standard alarm
signal. Available in either an 8 pin DIL or SO
package the IC gives a low cost compact
solution to siren signal generation. The
device operates from supplies of 4V up to
18V and is ideal for security alarms in battery
powered applications, burglar alarms and
automotive anti theft systems.
FEATURES
• 4-18V Operating voltage range.
• Small external component count.
• Direct drive of darlington, mosfet and
IGBT output stages.
• Single ended or push-pull output
stages.
• Suitable for automotive and static
alarm systems.
• Low supply current - 10mA operating
- 1µA sleep mode
• Low cost 8 pin DIL & SO packages.
• User selected audio and sweep
frequencies.
• -40°C to 125°C operating temperature
range.
• Choice of modulation waveform.
SCHEMATIC DIAGRAM
R T (INT)
RT
C MOD
SAW
Low
Frequency
Oscillator
Control
Voltage
Audio
Voltage
Controlled
Oscillator
Output
Driver
Oscillator
Output
Q
Q
C OUT
Issue 7 - July 2006
© Zetex Semiconductors plc 2006
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