AS3935 − Electrical Characteristics SymbolParameterMinTypMaxUnitsNoteOscillators Time needed by LCOSUT LCO Start-up Time 2 ms the LCO to start-up SRCO frequency after TSRCO 1.065 1.125 1.19 MHz calibration Assuming FLCO = 500 kHz TRCO frequency after TTRCO 30.5 32.26 34.0 kHz calibration The calibration of Calibration time for the RC the RC oscillators TRCOCAL 2 ms oscillators starts after the LCO settles Voltage Regulator Voltage regulator output VROUT 2.7 3.0 3.3 V voltage ams DatasheetPage 9 [v1-04] 2016-Jan-13 Document Feedback Document Outline ScioSense_Cover_page AS3935 Data Sheet General Description Key Benefits & Features Applications Block Diagram Pin Assignments Absolute Maximum Ratings Electrical Characteristics Operating Conditions DC/AC Characteristics for Digital Inputs and Outputs Detailed System and Block Specification Typical Operating Characteristics Detailed Description Circuit Operating Modes Power-Down Mode Listening Mode Signal Verification System and Block Specification Register Table Register Table Description and Default Value Serial Peripheral Interface (SPI) SPI Command Structure Writing of Register Data Reading of Data from Addressable Registers (READ Mode) Send Direct Command Byte I²C Guideline for Pull Up Resistors on I2CL and I2CD I²C Byte Write I²C Register Read Direct Command Voltage Regulator Analog Front-End (AFE) and Watchdog Noise Floor Level Measurement and Evaluation Lightning Algorithm Signal Validation Energy Calculation Statistical Distance Estimation Interrupt Management Antenna Tuning Clock Generation Noise Sources to Be Avoided Package Drawings & Markings Ordering & Contact Information RoHS Compliant & ams Green Statement Copyrights & Disclaimer Document Status Revision Information Content Guide
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