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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L9679P датащи(PDF) 223 Page - STMicroelectronics |
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L9679P датащи(HTML) 223 Page - STMicroelectronics |
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223 / 272 page  DocID029275 Rev 1 223/272 L9679P Electrical characteristics 271 17.2 Internal analog reference All electrical characteristics are valid for the following conditions unless otherwise noted: -40 °C ≤ Ta ≤ +95 °C VINBAD0(min) ≤ VIN ≤ 35 V Table 22. Open ground detection DC specifications No Symbol Parameter Conditions / Comments Min Typ Max Unit 1 GNDAOPEN GNDA open threshold GNDSUBx=0 100 200 300 mV 2 GNDDOPEN GNDD open threshold GNDSUBx=0 100 200 300 mV 3 BSTGNDOPEN BSTGND open threshold GNDSUBx=0 100 200 300 mV 4IPU_BSTGND BSTGND pull-up current ER BOOST OFF and SYNC BOOST OFF 130 - 270 μA 5 SATGNDOPEN SATGND open threshold GNDSUBx=0 100 200 300 mV 6IPU_SATGND SATGND pull-up current SATBUCK OFF 80 120 160 μA 7 VCCGNDOPEN VCCGND open threshold GNDSUBx=0 100 200 300 mV 8IPU_VCCGND VCCGND pull-up current VCC BUCK OFF 80 120 160 μA Table 23. GND_OPEN_AC - Open ground detection DC specifications No Symbol Parameter Condition Min Typ Max Unit 1TFLT_GNDREFOPEN GNDA and GNDD Open Deglitch Filter Time -7 11 16 μs 2TFLT_GNDREGOPEN BSTGND, SATGND, VCCGND Open Deglitch Filter Time - 1.9 2.3 2.7 μs Table 24. Internal analog reference N° Symbol Parameter Condition Min Typ Max Unit 1VBG1 Bandgap reference - -1% 1.2 +1% V 2VBG2 Bandgap monitor - -1% 1.2 +1% V 3VADC_GROUND ADC Ground reference ADC total error included 90 104 120 mV 4VADC_FULLSCALE ADC Full scale reference - -1.5% 2.5 +1.5% V |
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