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AS8220 Datenblatt(PDF) 8 Page - ams AG |
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AS8220 Datenblatt(HTML) 8 Page - ams AG |
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8 / 34 page ![]() www.austriamicrosystems.com Revision 17920-001-10a 7 - 33 AS8220A Objective Data Sheet - Electrical Characteristics IBP-5VShortMax Absolute max current when BP is shorted to -5 V VBP= -5V +100 mA IBM-5VShortMax Absolute max current when BM is shorted to -5 V VBM= -5V +100 mA IBP27VShortMax Absolute max current when BP is shorted to 27 V VBP= 27V +100 mA IBM27VShortMax Absolute max current when BM is shorted to 27 V VBM= 27V +100 mA IBP48VShortMax Absolute max current when BP is shorted to 48 V VBP= 48V +100 mA IBM48VShortMax Absolute max current when BM is shorted to 48 V VBM= 48V +100 mA tTxD_BUS01 Delay time from TxD to BUS positive edge tTxD_RISE = 5ns 50 ns tTxD_BUS10 Delay time from TxD to BUS negative edge tTxD_FALL = 5ns 50 ns tTxD_MISMATCH Delay time from TxD to BUS mismatch tTxD_BUS10 - tTxD_BUS01 -4 4 ns tBUS10 Fall time differential bus voltage 80% - 20% of VBUS 3.75 18.75 ns tBUS01 Rise time differential bus voltage 20% - 80% of VBUS 3.75 18.75 ns tTxEN_BUS_Idle_Active Delay time from TxEN to bus active 50 ns tTxEN_BUS_Active_Idle Delay time from TxEN to bus idle 50 ns tTxEN_MISMATCH Delay time from TxEN to bus mismatch |tTxEN_BUS_Idle_Active - tTxEN_BUS_Active_Idle| 50 ns tBGE_BUS_Idle_Active Delay time from BGE to bus active 50 ns tBGE_BUS_Active_Idle Delay time from BGE to bus idle 50 ns tBUS_Idle_Active Differential bus voltage transition time: idle to active 30 ns tBUS_Active_Idle Differential bus voltage transition time: active to idle 30 ns tTxEN_timeout TxEN timeout 0.64 3.07 ms Receiver RBP, RBM BP, BM input resistance Idle mode; RBUS=∞ 10 40 K Ω RDIFF BP, BM differential input resistance Idle mode; RBUS=∞ 20 80 K Ω VBPidle, VBMidle Idle voltage in NORMAL mode on pin BP, BM NORMAL mode; VTxEN = VIO 0.4* VCC 0.5* VCC 0.6* VCC V VBPidle_low, VBMidle_low Idle voltage in STANDBY mode on pin BP, BM STANDBY mode -0.2 0 +0.2 V Table 3. Electrical Characteristics Symbol Parameter Conditions Min Typ Max Units |
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