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FXLS8971CF 数据表(PDF) 13 Page - NXP Semiconductors |
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FXLS8971CF 数据表(HTML) 13 Page - NXP Semiconductors |
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13 / 100 page  NXP Semiconductors FXLS8971CF 3-Axis Low-g Accelerometer VDD = 3.0 V , T = 25 °C, unless otherwise noted. Typical values represent mean or mean ±1 σ values, depending on the specific parameter. Symbol Parameter Conditions Min Typ Max Unit VIL Low-level input voltage: SCL/SCLK, SDA/SPI_MOSI/SPI_ DATA, SA0, INTF_SEL, BT_MODE, SPI_CS_B/WAKE_UP, MOT_DET, EXT_TRIG pins — — — 0.3 * VDD V VOH High-level output voltage: INT1/MOT_ DET, INT2/BOOT_OUT, SPI_MISO, SPI_DATA pins Io = 500 μA 0.9 * VDD — — V VOL Low-level output voltage: INT1/MOT_ DET, INT2/BOOT_OUT, SPI_MISO, SPI_DATA pins Io = 500 μA — — 0.1 * VDD V VOLSDA, SCL Low-level output voltage on SDA and SCL pins Io = 5 mA — — 0.4 V TPULSE-MOT Motion detected interrupt pulse width BT_MODE = VDD 4.55 5 5.56 ms TMOT-HIB MOT_DET pin low time before entering Hibernate mode[1] BT_MODE = VDD 0.91 1 6.8 ms TPULSE-WIN Motion detection threshold setting pulse window BT_MODE = VDD, MOT_DET = HIGH 4.55 5 5.56 ms TPULSE-THRES1 Motion detection threshold selection 1 – Pulse width range BT_MODE = VDD 562.5 625 883 µs TPULSE-THRES2 Motion detection threshold selection 2 – Pulse width range BT_MODE = VDD 1125 1250 1570 µs TPULSE-THRES3 Motion detection threshold selection 3 – Pulse width range BT_MODE = VDD 2250 2500 2950 µs TPULSE-DRDY DRDY interrupt output pulse width BT_MODE = GND 29 32 35.6 µs TPULSE-BOOT1 BT_MODE = GND 58 64 71.2 µs TPULSE-BOOT2 BOOT interrupt output pulse width BT_MODE = VDD 9 10 11.2 ms ODRTOL Output Data Rate frequency tolerance — –10 ±2.5 10 %ODR TFLT-MOT_DET MOT_DET pin deglitch filter time BT_MODE = VDD — 10 — µs BT_MODE = GND, SPI_CS_ B / WAKE_UP pin — 400 — TFLT-WAKE_UP MOT_DET, WAKE_UP pin deglitch filter time (transition out of Hibernate mode) BT_MODE = VDD, MOT_DET pin — 850 — ns TBOOT1 Time needed to enter Standby mode after POR or soft reset BT_MODE = GND — — 1 ms TBOOT2 Time needed to enter Motion Detection mode after POR or soft reset BT_MODE = VDD, MOT_DET = 1 — — 17.7 ms IDDBOOT Boot sequence peak current draw T = –40 °C to +105 °C; with no decoupling capacitors on VDD pin — — 5 mA Table 8. Electrical characteristics...continued FXLS8971CF All information provided in this document is subject to legal disclaimers. © 2024 NXP B.V. All rights reserved. Product data sheet Rev. 2.1 — 7 March 2024 13 / 100 |
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