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A5358CA - Photoelectric Smoke Detector

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.

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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.

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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.