A5348CA Allegro Microsystems Inc, A5348CA Datasheet
A5348CA
Specifications of A5348CA
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A5348CA Summary of contents
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Features and Benefits ▪ 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 ...
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... A5348 Selection Guide Part Number Pb-Free A5348CA-T Yes A5348CA – Absolute Maximum Ratings* Characteristic Supply Voltage Range Input Voltage Range Reverse Battery Condition Duration Input Current Operating Ambient Temperature Junction Temperature Storage Temperature Range * CAUTION:BiCMOS devices have input static protection but are susceptible to damage when exposed to extremely high static electrical charges. ...
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A5348 +Supply 9V VDD LBSamp Low Battery Sample LOW-V SET SENSITIVITY SET SSamp Smoke Sample -Supply VSS Functional Block Diagram I Band Gap Low Battery 600 kΩ Comparator _ Logic + 500 kΩ Smoke Comparator LBSamp ...
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A5348 ELECTRICAL CHARACTERISTICS R = 8.2 MΩ (unless otherwise noted) TIMINGRES Characteristic Symbol Supply Voltage Range V DD Supply Current I DD Detector Input Current I DETECTIN V OS(GUARD1) Input Offset Voltage V OS(GUARD2 Hysteresis V HYS V ...
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A5348 ELECTRICAL CHARACTERISTICS R = 8.2 MΩ (unless otherwise noted) TIMINGRES Characteristic Symbol I IOL I/O Current I IOH I/O Alarm Voltage V IH(IO) I/O Delay t r(io) 1 Negative current is defi ned as coming out of the specifi ...
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A5348 SENSITIVITY SET and VSS, with the value: = 1.1E6 × – SENSITIVITYSET where SENSITIVITYSET Low Battery The low battery condition threshold is set internally by ...
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A5348 Standby Mode OSC CAP Pin Internal Clock Smoke Sample Low Battery Test LED Pin Timer Mode Internal Clock TIMER START Pin TIMER OUT Pin LED Pin Horn Enable Low Battery Condition VDD Pin Low Battery Test LED Pin LED ...
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A5348 Local Smoke Detection/Test Alarm Condition Test event Smoke Sample Smoke Chamber LED Pin Horn Enable I/O Pin Remote Alarm Condition LED Pin Horn Enable I/O Pin Ionization Smoke Detector with Interconnect and Timer t osc(alarm) OSC CAP Pin Internal ...
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A5348 A 0.13 MIN 16X 0.46±0.10 0.25 M Allegro MicroSystems offers an industry-leading range of ionization and photoelectric smoke detector ICs. For a current listing, please visit our website at: Copyright ©1990-2009, Allegro MicroSystems, Inc. The products described here are ...