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AS8220 Datasheet(PDF) 10 Page - ams AG |
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AS8220 Datasheet(HTML) 10 Page - ams AG |
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10 / 34 page ![]() www.austriamicrosystems.com Revision 17920-001-10a 9 - 33 AS8220A Objective Data Sheet - Electrical Characteristics tUV_DETECT Detection time for undervoltage at VBAT, VCC, VIO 100 700 ms tUV_REC Detection time for undervoltage recovery at VCC, VIO 0.7 5 ms Bus Error Detection ITHL Absolute bus current for low current detection NORMAL mode, Transmitter enabled 5mA ITHH Absolute bus current for high current detection NORMAL mode, Transmitter enabled 40 mA VSHORT Differential voltage on BP and BM for detecting short circuit between bus lines NORMAL mode, Transmitter enabled 225 mV tBUS_ERROR Bus error detection time NORMAL mode, Transmitter enabled 20 µs Over Temperature OTTH Over temperature threshold 150 180 ºC OTTL Over temperature hysteresis 10 20 ºC Communication Controller Interface VTxDIH Threshold for detecting TxD as on logical high 0.7* VIO V VTxDIL Threshold for detecting TxD as on logical low 0.3* VIO V ITxDIH TxD high level input current 30 100 µA ITxDIL TxD low level input current -5 5 µA VTxENIH Threshold for detecting TxEN as on logical high 0.7* VIO V VTXENIL Threshold for detecting TxEN as on logical low 0.3* VIO V ITxENIH TxEN high level input current -5 5 µA ITxENIL TxEN low level input current -100 -30 µA VRxDOH RxD high level output voltage IRxD = -4mA, VIO = 5V 0.8* VIO 1.0* VIO V VRxDOL RxD low level output voltage IRxD = 4mA, VIO = 5V 0 0.2* VIO V Host Interface VSTBNIH Threshold for detecting STBN as on logical high 0.7* VIO V VSTBNIL Threshold for detecting STBN as on logical low 0.3* VIO V ISTBNIH STBN high level input current 30 100 µA Table 3. Electrical Characteristics Symbol Parameter Conditions Min Typ Max Units |
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