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AS8222 Datasheet(PDF) 10 Page - ams AG |
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AS8222 Datasheet(HTML) 10 Page - ams AG |
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10 / 43 page  AS8222 Datasheet - Electrical Character i s t ics www.ams.com/eng/FlexRay/AS8222 Revision 1.0 9 - 42 6.2 State Transitions 6.3 Transmitter The following parameters are applicable to all the branch transmitters. Table 4. State Transitions Symbol Parameter Conditions Min Typ Max Units tSTBN_RXD Delay STBN high to RxD high with wake flag set 110 50 µs tSTBN_RXEN Delay STBN high to RxEN high with wake flag set 110 50 µs tSLEEP_INH1 Delay STBN high to INH1 high INH1 high = 80 % VBAT 110 50 µs tSTANDBY_INH2 Delay STBN high to INH2 high INH2 high = 80 % VBAT 110 50 µs tSLEEP go-to-sleep hold time INH1 low = 20 % VBAT 10 25 70 µs Table 5. Transmitter Symbol Parameter Conditions Min Typ Max Units VBUS_DIFF_D0 uBDTxactive Differential bus voltage low in NORMAL mode (Data_0) Absolute value of uBus, while sending VBPdata0 – VBMdata0; 40 Ω < RL < 55 Ω Load on BP/BM: 40Ω || 100pF -2 |2000| -1 -0.6 |600| V mV VBUS_DIFF_D1 uBDTxactive Differential bus voltage high in NORMAL mode (Data_1) Absolute value of uBus, while sending VBPdata1 – VBMdata1; 40 Ω < RL < 55 Ω Load on BP/BM: 40Ω || 100pF 0.6 |600| 12 |2000| V mV ΔVBUS_DIFF Matching between Data_0 and Data_1 differential bus voltage in NORMAL mode VBUS_DIFF_D0 - VBUS_DIFF_D1 40 Ω < RL < 55 Ω -200 0 200 mV VBUS_COM_D0 Common mode bus voltage in case of Data_0 in non-low-power mode VBPdata0/2+VBMdata0/2 40 Ω < RL < 55 Ω 0.4 * VCC 0.5 * VCC 0.6 * VCC V VBUS_COM_D1 Common mode bus voltage in case of Data_1 in non-low-power mode VBPdata1/2+VBMdata1/2 40 Ω < RL < 55 Ω 0.4 * VCC 0.5 * VCC 0.6 * VCC V ΔV BUS_COM Matching between Data_0 and Data_1 common mode voltage VBUS_COM_D0 - VBUS_COM_D1 40 Ω < RL < 55 Ω -200 0 200 mV VBUS_DIFF_Idle uBDTxidle Absolute differential bus voltage in idle mode Absolute value of uBus, while Idle 40 Ω < RL < 55 Ω 0 030 30 mV mV IBPBMShortMax IBMBPShortMax IBPBMShortMax IBMBPShortMax Absolute max current when BP shorted to BM Absolute maximum output current when BP shorted to BM VBP= VBM 25 +100 100 mA mA IBPGNDShortMax IBPGNDShortMax Absolute max current when BP is shorted to GND Absolute maximum output current when shorted to GND VBP=0 V 50 +100 100 mA mA |
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