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A5358 - Photoelectric Smoke Detector

Download the A5358 datasheet PDF. This datasheet also covers the A5358CA variant, as both devices belong to the same photoelectric smoke detector family and are provided as variant models within a single manufacturer datasheet.

General Description

The A5358 is a low-current BiCMOS circuit providing all of the required

Key Features

  • Low average standby current for long battery life.
  • Interconnect up to 50 detectors.
  • Piezoelectric horn driver.
  • Low battery detection (all internal).
  • Chamber sensitivity test and alarm.
  • Power-on reset (POR).
  • Internal timer and control for reduced sensitivity mode.
  • Built-in circuits to reduce false triggering.
  • 6 to 12 V operating range.
  • ESD protection circuitry on all pins.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (A5358CA_AllegroMicroSystems.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
A5358CA Photoelectric Smoke Detector Allegro MicroSystems
A5350CA Ionization Smoke Detector Allegro MicroSystems
A5354CA SMOKE DETECTOR Allegro MicroSystems
A5355CA SMOKE DETECTOR Allegro MicroSystems
A531 10 TO 500 MHz CASCADABLE AMPLIFIER Tyco Electronics

Other Datasheets by Allegro MicroSystems

Part Number Description
A5350 Ionization Smoke Detector
A5303 Photoelectric Smoke Detector
A5348 Ionization Smoke Detector
A5364 Ionization Smoke Detector
A5366 Photoelectric Smoke Detector

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
A5358 Photoelectric Smoke Detector with Interconnect and Timer FEATURES AND BENEFITS ▪ Low average standby current for long battery life ▪ Interconnect up to 50 detectors ▪ Piezoelectric horn driver ▪ Low battery detection (all internal) ▪ Chamber sensitivity test and alarm ▪ Power-on reset (POR) ▪ Internal timer and control for reduced sensitivity mode ▪ Built-in circuits to reduce false triggering ▪ 6 to 12 V operating range ▪ ESD protection circuitry on all pins PACKAGES: 16-pin DIP (Package A) 16-pin SOICW (Package LW) Not to scale DESCRIPTION The A5358 is a low-current BiCMOS circuit providing all of the required features for a photoelectric type smoke detector. This device can be used with an infrared photoelectric chamber to sense scattered light from smoke particles.