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AS8220 Datasheet(PDF) 9 Page - ams AG |
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AS8220 Datasheet(HTML) 9 Page - ams AG |
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9 / 34 page ![]() www.austriamicrosystems.com Revision 17920-001-10a 8 - 33 AS8220A Objective Data Sheet - Electrical Characteristics IBPidle Absolute idle output current on pin BP -40V < VBP < 50V 07.5 mA IBMidle Absolute idle output current on pin BM -40V < VBM < 50V 07.5 mA IBPleak, IBMleak Absolute leakage current, when not powered VBP = VBM = 5V, VCC = 0V, VBAT = 0V; VIO = 0V 0 +10 uA VBUSActiveHigh Activity detection differential input voltage high NORMAL mode -10V < (VBP , VBM) < 15V 150 225 400 mV VBUSActiveLow Activity detection differential input voltage low NORMAL mode -10V < (VBP , VBM)< 15V -400 -225 -150 mV VData1 Data1 detection differential input voltage Pre-condition: activity already detected. NORMAL mode. -10V < (VBP , VBM)< 15V 150 225 300 mV VData0 Data0 detection differential input voltage Pre-condition: activity already detected. NORMAL mode. -10V < (VBP , VBM)< 15V -300 -225 -150 mV VDataErr Mismatch between Data0 and Data1 differential input voltage 2 x ( ⎜⎜VData0⎜- ⎜VData1⎜⎜) / ( ⎜VData0⎜+⎜VData1⎜) 2 10 % tBUS_RxD10 Delay from BUS to RxD negative edge CRxD = 15 pF 3 80 ns tBUS_RxD01 Delay from BUS to RxD positive edge CRxD = 15 pF 3 80 ns tBIT Bit time CRxD = 15 pF 3 54 ns tRxD_ASYM Delay time from BUS to RxD mismatch CRXD=15 pF; |tBUS_RxD10- tBUS_RxD01| 3 5ns tRxD_FALL Fall time RxD voltage 80% - 20% of VRxD; CRxD=15 pF 3 5ns tRxD_RISE Rise time RxD voltage 20% - 80% of VRxD; CRxD=15 pF 3 5ns tBUSIdleDetection Idle detection time VBUS: 400mV → 0V 50 200 ns tBUSActivitiyDetection Activity detection time VBUS: 0V → 400mV 100 250 ns tBUSIdleReaction Idle reaction time VBUS: 400mV → 0V 50 300 ns tBUSActivityReaction Activity reaction time VBUS: 0V → 400mV 100 350 ns Supply Voltage Monitor VCCTHH VCC under-voltage recovery threshold 3.5 4.5 V VCCTHL VCC undervoltage detection threshold 2.5 3.5 V VIOTHH VIO undervoltage recovery threshold 1.25 2.0 V VIOTHL VIO undervoltage detection threshold 0.75 1.5 V Table 3. Electrical Characteristics Symbol Parameter Conditions Min Typ Max Units |
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