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RE46C107

RE46C107

  • 厂商:

    MICROCHIP

  • 封装:

  • 描述:

    RE46C107 - DC to DC Converter, Voltage Regulator and Piezoelectric Horn Driver - Microchip Technolog...

  • 数据手册
  • 价格&库存
RE46C107 数据手册
R&E International A Subsidiary of Microchip Technology Inc. RE46C120 CMOS Ionization Smoke Detector ASIC Product Specification General Description The RE46C120 is a low power CMOS ionization type smoke detector IC. With a few external components this circuit will provide all the required features for an ionization type smoke detector. An internal oscillator strobes power to the smoke detection circuitry for 10.5mS every 1.66 seconds to keep standby current to a minimum. A check for a low battery condition is performed every 40 seconds when in standby. The TONE input allows for selection of a temporal pattern or a 2/3 duty cycle continuous tone. The temporal horn pattern supports the NFPA 72 emergency evacuation signal. Although this device was designed for smoke detection utilizing an ionization chamber it could be used in a variety of security applications. Utilizing low power CMOS technology the RE46C120 was designed for use in smoke detectors that comply with Underwriters Laboratory Specification UL217 and UL268. Features • • • • • • • • • • Guard Outputs for Ion Detector Input +/-0.75pA Detect Input Current Internal Reverse Battery Protection Internal Low Battery Detection Pin Selectable Horn Pattern Low Quiescent Current Consumption ( Pin 15; 130m Level Shift on Pin 13 V Pin 15 > Pin 13 1.67S 10m S Internal Clock 24 Clock Cycles (40 S) 24 Clock Cycles (1S) LED DETCOMP (pin1) Sample (2/3 Duty) Sample (NFPA72) THON3 THOF3 Low Battery Warning Chirp Horn (2/3 Duty Cycle, TONE=VSS) Low Battery Warning Chirp Horn (NFPA72, TONE=Open) See Figure Below for Com plete Tem poral Horn Cycle Notes: 1. Smoke is not sampled when the horn is active so the horn cycle is self completing 2. Low battery warning chirp is suppressed in alarm THON1 THOF1 THOF2 Complete Temporal Horn Pattern © 2009 Microchip Technology Inc. DS22157A-page 6 RE46C120 CMOS Ionization Smoke Detector ASIC Product Specification Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro, PICSTART, rfPIC, SmartShunt and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. FilterLab, Hampshire, Linear Active Thermistor, MXDEV, MXLAB, SEEVAL, SmartSensor and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Analog-for-the-Digital Age, Application Maestro, CodeGuard, dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN, ECONOMONITOR, FanSense, In-Circuit Serial Programming, ICSP, ICEPIC, Mindi, MiWi, MPASM, MPLAB Certified logo, MPLIB, MPLINK, mTouch, nanoWatt XLP, PICkit, PICDEM, 32 logo, PowerCal, PowerInfo, PICDEM.net, PICtail, PIC PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2009, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. R&E International A Subsidiary of Microchip Technology Inc. Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. Microchip received ISO/TS-16949:2002 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company’s quality system processes and procedures are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified. © 2009 Microchip Technology Inc. DS22157A-page 7
RE46C107 价格&库存

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