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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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LNBH24PPR 数据表(PDF) 22 Page - STMicroelectronics |
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LNBH24PPR 数据表(HTML) 22 Page - STMicroelectronics |
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22 / 30 page  Electrical characteristics LNBH24 22/30 NB: if the 22 kHz tone parameters are lower or higher than the above limits the TMON I²C bit is set to 1. Table 13. 22KHz tone diagnostic (TMON bit) characteristics of sections A/B (refer to the typical application circuit in Figure 4, TJ from 0 to 85 °C, EN=1, VSEL=LLC=TEN=PCL=ITEST=TTX=AUX=0, RSEL=11 kΩ, DSQIN=LOW, VI=12 V, IO = 50 mA, unless otherwise stated. Typical values are referred to TJ = 25 °C. See software description section for I²C access to the system register) Symbol Parameter Test condition Min. Typ. Max. Unit ATH-L Amplitude diagnostic low threshold DETIN pin AC coupled 200 300 400 mV ATH-H Amplitude diagnostic high threshold DETIN pin AC coupled 900 1100 1200 mV FTH-L Frequency diagnostic low thresholds DETIN pin AC coupled 13 16.5 20 kHz FTH-H Frequency diagnostic high thresholds DETIN pin AC coupled 24 29.5 38 kHz |
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