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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LNBH25S датащи(PDF) 32 Page - STMicroelectronics |
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LNBH25S датащи(HTML) 32 Page - STMicroelectronics |
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32 / 37 page  Electrical characteristics LNBH25S 32/37 DocID026736 Rev 2 Refer to Section 5: "Typical application circuits", TJ from 0 to 85 °C, all data 1..4 register bits set to “0” unless VSEL1 = 1, TEN =1, RSEL = 11.5 kΩ, DSQIN = high, V IN = 12 V, IOUT=50 mA, unless otherwise stated. Typical values are referred to TJ = 25 °C. VOUT = VOUT pin voltage. See Section 6: "I²C bus interface" and Section 7: "I²C interface protocol". Table 19: 22 kHz tone diagnostic (TMON bit, status 2 register) characteristics Symbol Parameter Test conditions 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 If the 22 kHz tone parameters are lower or higher than the above limits, the TMON I²C bit is set to “1”. |
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