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L9679P Datasheet(PDF) 262 Page - STMicroelectronics |
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L9679P Datasheet(HTML) 262 Page - STMicroelectronics |
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262 / 279 page  Electrical characteristics L9679P 262/279 DS11627 Rev 7 18.20 Safing engine All electrical characteristics are valid for the following conditions unless otherwise noted: 40 °C Ta +95 °C, VINGOOD0 VIN 35 V, VCCx(min) VCCx VCCx(max), VCC = 3.3 V or 5 V. 15a IPD_DCS_OFF DCSx current pull down VDCS ≥ 1.5 V All DCS channels OFF Not tested 70 100 130 µA 15b IPD_DCS VDCS ≥ 1.5 V Pull-down current on all DCS channels but the one activated 160 200 250 µA 16 RPD_DCS DCSx resistance pull down Device active, DCSx current pull down disabled 90 150 210 kΩ 17a IPD_DCS_TOT DCSx total current pull down IPD_DCS_TOT = IPD_DCS_OFF + RPD_DCS VDCS = 6.5 V All DCS channels OFF Not tested 80 140 220 µA 17b IPD_DCS IPD_DCS_TOT = IPD_DCS + RPD_DCS VDCS = 6.5 V Total Pull-down current on all DCS channel but the one activated. 180 240 320 µA 18 CDCS Output capacitance Design Info 10 - - nF 19 IREF_DCS Internal Current Reference for DCS Current Measurement - -5% 300 +5% µA 20 Ratio_VDCS Divider ratio for DCSx voltage measurement - -3% 7.125 +3% V/V 21 VOFF_DCS DCSx internal offset during voltage measurement - 0.35 0.375 0.39 V Table 64. DC Sensor interface specifications No Symbol Parameter Conditions Min Typ Max Unit Table 65. Arming Interface – DC specifications No Symbol Parameter Conditions Min Typ Max Unit 1 VTH_H_ACL ACL input voltage thresholds - 2.33 - 2.5 V 2 VTH_L_ACL - 1.58 - 1.71 V 3 VHYS_ACl ACL hysteresis - 0.6 0.75 0.9 V 4 RPD_ACL ACL pull down resistance VACL = 3.3V 150 210 270 kΩ 5 VOH_ARM ARMx output high voltage ILOAD = -0.5 mA internal safing selected VCC-0.60 - VCC V |
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