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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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MPXV2202DP 数据表(PDF) 648 Page - Motorola, Inc |
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MPXV2202DP 数据表(HTML) 648 Page - Motorola, Inc |
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648 / 670 page  MC145017 4–56 Motorola Sensor Device Data www.motorola.com/semiconductors TIMING PARAMETERS (C = 0.1 µF, Rbias = 8.2 MΩ, VDD = 9.0 V, TA = 25°C, See Figure 6) Characteristics Symbol Min Max Units Oscillator Period No Smoke Smoke tCI 1.46 37.5 1.85 45.8 s ms Oscillator Rise Time tr 10.1 12.3 ms Horn Output On Time (During Smoke) Off Time PWon PWoff 450 450 550 550 ms ms LED Output Between Pulses On Time tLED PWon 35.0 10.1 44.5 12.3 s ms Horn Output On Time (During Low Battery) Between Pulses ton toff 10.1 35.0 12.3 44.5 ms s Figure 1. Block Diagram + – VDD LATCH LOW BATTERY COMP. OSCILLATOR TIMER LATCH + – VDD 80 K 3 1045 K 7 12 1 13 1125 K + – 15 DETECT INPUT 14 LO–Z ACTIVE GUARD 16 HI–Z VDD 4 VDD 8 PIEZOELECTRIC HORN DRIVER 11 10 5 LED DRIVER VDD 6 9 Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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