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MC145017P Folha de dados(PDF) 1 Page - Freescale Semiconductor, Inc |
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MC145017P Folha de dados(HTML) 1 Page - Freescale Semiconductor, Inc |
1 / 8 page MC145017 Rev 5, 05/2005 Freescale Semiconductor Technical Data © Freescale Semiconductor, Inc., 2005. All rights reserved. Low-Power CMOS Ionization Smoke Detector IC with Temporal Pattern Horn Driver The MC145017, when used with an ionization chamber and a small number of external components, will detect smoke. When smoke is sensed, an alarm is sounded via an external piezoelectric transducer and internal drivers. This circuit is designed to operate in smoke detector systems that comply with UL217 and UL268 specifications. Features • Ionization Type with On-Chip FET Input Comparator • Piezoelectric Horn Driver • Guard Outputs on Both Sides of Detect Input • Input-Production Diodes on the Detect Input • Low-Battery Trip Point, Internally Set, can be Altered Via External Resistor • Detect Threshold, Internally Set, can be Altered Via External Resistor • Pulse Testing for Low Battery Uses LED for Battery Loading • Comparator Outputs for Detect and Low Battery • Internal Reverse Battery Protection • Supports NFPA 72, ANSi 53.41, and ISO 8201 Audible Emergency Evacuation Signals ORDERING INFORMATION Device Case No. Package MC145017P 648-08 Plastic Dip MC145017 P SUFFIX PLASTIC DIP CASE 648-08 LOW-POWER CMOS IONIZATION SMOKE DETECTOR IC WITH TEMPORAL PATTERN HORN DRIVER Figure 1. . Pin Connections 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 Detect Comp. Out N/C Low V Set Low V Comp. Out LED VDD Timing Resistor Feedback Guard Hi-Z Detect Input Guard Lo-Z Sensitivity Set Osc Capacitor Silver Brass VSS |
Nº de peça semelhante - MC145017P |
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Descrição semelhante - MC145017P |
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