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L9680 Datasheet(PDF) 268 Page - STMicroelectronics |
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L9680 Datasheet(HTML) 268 Page - STMicroelectronics |
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268 / 286 page  Electrical characteristics L9680 268/286 DS11615 Rev 7 17.18.2 WSS interface 76 TWRITE_EN_DELAY_LF Data register write delay Design Info F = 125 kbaud Calculated from transition of last sensor bit to when data is available in SPI register - - 19 µs 77 TWRITE_EN_DELAY_HF Design Info F = 189 kbaud Calculated from transition of last sensor bit to when data is available in SPI register - - 14 µs Table 63. PSI-5 satellite transceiver - AC specifications (continued) No Symbol Parameter Conditions Min Typ Max Unit Table 64. WSS sensor - DC specifications No Symbol Parameter Conditions Min Typ Max Unit 1 C1 RSU load capacitance 10nF nominal, Design Info 6 - - nF 2 VRSU_MAX RSUx Max output voltage (internal regulation, VSATBUCK=VSYNCBOOST) - - 11 V 3 RRSU Output resistance From IRSU=-4mA to -35mA 4 - 12 Ω 4 IBO Base Current Auto Adaptive option (default value) +15% -7 -15% mA 5a ITH1 7mA / 14mA detection Fixed threshold option -25 °C ≤ Tj ≤ +150 °C guaranteed by design/characterization +15% -9.8 -15% mA 5b Fixed threshold option -40 °C ≤ Tj ≤ +150 °C +20% -9.8 -20% mA 6 ITH2 14mA / 28mA detection Fixed threshold option +15% -19.6 -15% mA 7a ITHOPEN Open sensor detection RSUx OPEN -25 °C ≤ Tj ≤ +150 °C guaranteed by design/characterization -4.5 - -0.2 mA 7b RSUx OPEN -40 °C ≤ Tj ≤ +150 °C -5.5 - 0 mA 8 ITHGND Leakage to GND threshold VRSUx= GND 13.2 15 17.1 mA 9 IOCTH_WSS Over Current Detection Threshold output disabled after TFLT_OCTH_WSS -65 - -38 mA 10 ILIMTH_WSS Output Current Limit - -65 - -40 mA 11 ΔILIM_OC_WSS Difference between Current Limitation and OC Threshold ILIM_RSU - IOC_RSU 1 - - mA |
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