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L9788 Datasheet(PDF) 145 Page - STMicroelectronics |
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L9788 Datasheet(HTML) 145 Page - STMicroelectronics |
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145 / 264 page  DS12308 Rev 4 145/264 L9788 Inductive sensor interface 263 Conditions: 5.5 V ≤ VB_IN ≤ 18 V, Tj -40 to 175 °C unless otherwise specified; Note: When FLW_IN_P and FLW_IN_N are both in input high clamping condition, the clamp voltage of FLW_IN_N is 30 mV (typical) higher than FLW_IN_P. Table 62. Flying wheel interface function - Diagnosis test Symbol Parameter Test condition Min Typ Max Unit Pin ViThL Input high-to-low differential threshold voltage --50 0 50 mV FLW_IN_P FLW_IN_N VCM Common mode operating range Not to be tested. It is an application note. 01.65 3 V FLW_IN_P FLW_IN_N VclpH Input high clamping voltage |I_FLW_IN_P|=|I_FLW_IN_N|= 20 mA, device ON 3.3 -0.3 - 3.3 +0.3 V V FLW_IN_P FLW_IN_N VclpH Input high clamping voltage |I_FLW_IN_P|=|I_FLW_IN_N|= 20 mA, device OFF 1- 2.8 V FLW_IN_P FLW_IN_N VclpL Input low clamping voltage |I_FLW_IN_P|=|I_FLW_IN_N|= 20 mA -1.5 - -0.3 V FLW_IN_P FLW_IN_N Vopenload Output open load voltage FLW_IN_P = FLW_IN_N = Vopenload 1.5 (3.3) /2 1.8 V FLW_IN_P FLW_IN_N Ibvrsp Input bias current Vrsp VRS_INP -> FLW_IN_P - - 2 µA FLW_IN_P FLW_IN_N Ibvrsm Input bias current Vrsm FLW_IN_N = Vopenload -- 2 µA FLW_IN_P FLW_IN_N VOL Output Low Voltage VDD5 = 5 V or 3.3 V Isink current = 2 mA -- 0.5 V FLW_OUT VOH Output High Voltage VDD5 = 5 V or 3.3 V Isource current = 2 mA VDD5 -0.5 -- V FLW_OUT Ilk_outvrs Input leakage current to GND -- - 1 µA FLW_OUT Ilk_outvrs Input leakage current to VDD5 -- - 8 µA FLW_OUT Td_on_outvrs Delay on falling edge Test Ext cap = 300 pF - - 1 µs FLW_OUT Td_off_outvrs Delay on rising edge Input signal=4ms - - 150 µs FLW_OUT T_r_Out_vrs MRX Rise Time Test Ext cap = 300 pF - - 150 ns FLW_OUT T_f_Out_vrs MRX Fall Time Test Ext cap = 300 pF - - 150 ns FLW_OUT Voutdiag Output diag voltage FLW_IN_P = open; diag mode 0.9 (3.3)/3 1.3 V FLW_OUT Ioutdiag Output diag Current FLW_IN_P = open; FLW_IN_N= GND; diag mode 50 65 80 µA FLW_OUT Voutsh Vbdiagth Output Short-circuit range to VBAT Open Load threshold FLW_IN_P = open; FLW_IN_N = Vramp; diag mode 2.8 3 3.2 V FLW_OUT Voutshgnddiagth Output Short-to GND range threshold FLW_IN_P = open; FLW_IN_N = Vramp; diag mode 1.1 1.3 1.5 V FLW_OUT |
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