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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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FXLS93421 데이터시트(PDF) 6 Page - NXP Semiconductors |
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FXLS93421 데이터시트(HTML) 6 Page - NXP Semiconductors |
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6 / 254 page  NXP Semiconductors FXLS9xxxx Dual channel inertial sensor Ref Des Type Description Component value selection and range Purpose C4 Ceramic 0.47 µF, 10 %, 10 V minimum, X7R The optimal value of this component should be determined based on the system level micro-cut immunity requirement. To achieve the specified power supply rejection, the minimum value including all tolerances is 0.22 µF. The maximum specified value including all tolerances is 2 µF. For optimal EMC performance, this component is to be placed as close to the VBUF and BUSRTN pins as possible. Note: The total bus capacitance must not exceed the values specified in the PSI5 standard. Table 4. PSI5 parallel or universal mode external component recommendations...continued [1] R1 must be sized to handle both the programming current at the maximum rated temperature for programming and the operating current at the maximum rated temperature for operation. [2] If the high baud rate is used, NXP recommends reducing the value of C2. The actual value depends on the bus configuration and number of slaves. 6.2.2 PSI5 daisy chain mode application diagram VBUF IDATA VSS VSS_OUT VSS C4 C3 C2 R3 R4 R2 BUSSW_L VCC VCE R1 C1 M1 aaa-030558 Figure 4. PSI5 daisy chain mode application diagram Ref Des Type Description Component value selection and range Purpose R1 General purpose 82 Ω, 5 %, 200 PPM The optimal value of this component should be determined by the system level communication, EMC, and ESD testing. For proper device function, the minimum value can be 0 Ohms. The maximum value is determined by the minimum bus voltage provided at the module pin and the minimum operating voltage of the device. To meet the minimum PSI5 operating voltage at the module pin, the maximum resistance including all tolerances is 89.0 Ohms. VCC filtering and signal damping R2 General purpose 27 Ω, 5 %, 200 PPM The optimal value of this component should be determined by the system level communication, EMC, and ESD testing. For proper device function, the minimum value can be 0 Ohms. The maximum value is determined by the minimum bus voltage provided at the module pin. To meet the minimum PSI5 operating voltage at the module pin, the maximum resistance including all tolerances is 66.6 Ohms. If the low response current is used, the maximum resistance including all tolerances is 133 Ohms. IDATA filtering and signal damping Table 5. PSI5 daisy chain mode external component recommendations FXLS9xxxx All information provided in this document is subject to legal disclaimers. © NXP B.V. 2021. All rights reserved. Product data sheet Rev. 6 — 8 February 2021 6 / 254 |
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