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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L6470PD датащи(PDF) 14 Page - STMicroelectronics |
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L6470PD датащи(HTML) 14 Page - STMicroelectronics |
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14 / 70 page  Electrical characteristics L6470 14/70 Doc ID16737 Rev 5 tholCS Chip select hold time (7) 10 ns tdisCS Deselect time (7) 800 ns tsetSDI Data input setup time (7) 25 ns tholSDI Data input hold time (7) 20 ns tenSDO Data output enable time (7) 38 ns tdisSDO Data output disable time (7) 47 ns tvSDO Data output valid time (7) 57 ns tholSDO Data output hold time (7) 37 ns Switch input (SW) RPUSW SW input pull-up resistance SW = GND 60 85 110 k Ω PWM modulators fPWM Programmable PWM frequency (1) fosc = 16 MHz 2.8 62.5 kHz fosc = 32 MHz 5.6 125 NPWM PWM resolution 8 bit Stall detection ISTALL,MAX Maximum programmable stall threshold STALL_TH = '1111111' 4 A ISTALL,MIN Minimum programmable stall threshold STALL_TH = '0000000' 31.2 5 mA ISTALL,RES Programmable stall threshold resolution 31.2 5 mA Overcurrent protection IOCD,MAX Maximum programmable overcurrent detection threshold OCD_TH = '1111' 6 A IOCD,MIN Minimum programmable overcurrent detection threshold OCD_TH = '0000' 0.37 5 A IOCD,RES Programmable overcurrent detection threshold resolution 0.37 5 A tOCD,Flag OCD to flag signal delay time dIout/dt = 350 A/µs 650 1000 ns tOCD,SD OCD to shutdown delay time dIout/dt = 350 A/µs POW_SR = '10' 600 ns Standby IqSTBY Quiescent motor supply current in standby conditions VS = 8 V 26 34 µA VS = 36 V 30 36 tSTBY,min Minimum standby time 10 μs tlogicwu Logic power-on and wake-up time 38 45 µs Table 5. Electrical characteristics (continued) Symbol Parameter Test condition Min. Typ. Max. Unit |
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