A5347CAT, A5348, A5348A Selling Leads, Datasheet
MFG:ALLEGRO Package Cooled:DIP16 D/C:09+
A5347CAT, A5348, A5348A Datasheet download
Part Number: A5347CAT
MFG: ALLEGRO
Package Cooled: DIP16
D/C: 09+
A5347CAT, A5348, A5348A
- Table of contents:
Info of A5347CAT
Info of A5348
Info of A5348A
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About A5309C1
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Datasheet: A5309C1
File Size: 187838 KB
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About A5348CA
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Datasheet: A5348CA
File Size: 92406 KB
Manufacturer: ALLEGRO [Allegro MicroSystems]
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About A5309C1
PDF/DataSheet Download
Datasheet: A5309C1
File Size: 187838 KB
Manufacturer:
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A5348 General Description
The A5348 is a low-current, CMOS circuit providing all of the required features for an ionization-type smoke detector. A networking capability allows as many as 125 units to be interconnected so that if any unit senses smoke all units will sound their alarm. In addition, special features are incorporated to facilitate alignment and test of the finished smoke detector.
The internal oscillator and timing circuitry keep standby power to a minimum by powering down the device for 1.66 seconds and sensing for smoke for only 10 ms. Every 24 on-off cycles, a check is made for a low battery condition. By substituting other types of sensors or a switch for the ionization detector, this very-lowower device can be used in numerous other battery-operated safety/security applications.
The A5348 is supplied in a low-cost 16-pin dual in-line plastic package (DIP). It is rated for continuous operation over the temperature range of -10°C to 60°C. The Pb (lead) free version (suffix ) has 100% matte tin leadframe plating.
A5348 Maximum Ratings
- Low average standby current for long battery life
- Interconnect up to 125 detectors
- Piezoelectric horn driver
- Guard outputs for detector input
- Pulse testing for low battery
- Power-on reset (POR)
- Internal reverse battery protection
- Timer (Hush) mode for enabling reduced sensitivity period
- Built-in hysteresis reduces false triggering
The A5348 is a low-current, CMOS circuit providing all of the required features for an ionization-type smoke detector. A networking capability allows as many as 125 units to be interconnected so that if any unit senses smoke all units will sound their alarm. In addition, special features are incorporated to facilitate alignment and test of the finished smoke detector.
The internal oscillator and timing circuitry keep standby power to a minimum by powering down the device for 1.66 seconds and sensing for smoke for only 10 ms. Every 24 on-off cycles, a check is made for a low battery condition. By substituting other types of sensors or a switch for the ionization detector, this very-lowower device can be used in numerous other battery-operated safety/security applications.
The A5348 is supplied in a low-cost 16-pin dual in-line plastic package (DIP). It is rated for continuous operation over the temperature range of -10°C to 60°C. The Pb (lead) free version (suffix ) has 100% matte tin leadframe plating.
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