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L9300 数据表(PDF) 39 Page - STMicroelectronics |
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L9300 数据表(HTML) 39 Page - STMicroelectronics |
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39 / 178 page  Symbol Parameter Test condition Min Typ Max Unit Pin ISTBTH Static reverse current into TRKn VTRKn > VDD1 + VTRKnSTB 0.0 10 mA TRKn Diagnostic ILKGB Open sensor detection VTRKn=OPEN -4 -1 mA TRKn tFLT_OPEN Open detection filter time Guaranteed by scan 10 20 µs TRKn ILKGG Leakage to GND threshold Guaranteed by scan +9% -15.3 -9% mA TRKn ILKGG Leakage to GND threshold 2 level std sensor only +9% -23 -9% mA TRKn tFLT_LKG Leakage deglitch filter time Guaranteed by scan 88 104 120 µs TRKn TMSK_ILIMTH Current limit blanking time at power-on Guaranteed by scan 250 300 350 µs TRKn tILIMITH Current limit filter time Guaranteed by scan 500 600 µs TRKn VTRKnSTB Output Short to Battery Threshold VDD1 VDD1+0.2 V TRKn tSTBTH Short to battery deglitch time Guaranteed by scan 10 20 µs TRKn T_SD_TRK Temperature shut down 175 185 °C TRKn T_SD_hy Temperature shut down hysteresis 5 10 °C TRKn T_SD_deglitch Digital deglitch filter time Guaranteed by scan 7.5 10 12.5 µs TRKn Digital Output VOL Logic Output Low Voltage Isource = 1 mA 0.4 V DOUTx VOH Logic Output High Voltage Isink = 1 mA VDDIO-0.4 V DOUTx trise Rise time From 20% to 80% output voltage, LOAD=20pF 0.05 2 µs DOUTx tfall Fall time From 80% to 20% output voltage, LOAD=20pF 0.05 2 µs DOUTx Ileak Tristate leakage current TRK_SEL=VDD4 0<DOUTx<VDDIO -0.5 0.5 µA DOUTx tdeglitch DOUT deglitch filter time Configurable by SPI (4bits) Guaranteed by scan 7.5 15.6 µs DOUTx tlatency Latency time between receiving sensor data @TRKn pin and reaching VOH on WSx pin Trigger point 80% of TRKn modulated current) Guaranteed by scan 0.5 5 µs DOUTx tjitter Jitter on Latency time Design info, not tested 0.1 125 ns DOUTx L9300 Power supply DS12258 - Rev 5 page 39/178 |
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