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AS3932 数据表(PDF) 8 Page - ams AG |
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AS3932 数据表(HTML) 8 Page - ams AG |
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8 / 33 page ![]() www.austriamicrosystems.com/AS3932 Revision 1.2 8 - 33 AS3932 Data Sheet - Electrical Characteristics 6 Electrical Characteristics Table 4. Electrical Characteristics Symbol Parameter Conditions Min Typ Max Units Operating Conditions AVDD Positive supply voltage 2.4 3.6 V AVSS Negative supply voltage 0 0 V Tamb Ambient temperature -40 85 ºC DC/AC Characteristics for Digital Inputs and Outputs CMOS Input VIH High level input voltage 0.58 * VDD 0.7 * VDD 0.83 * VDD V VIL Low level input voltage 0.125 * VDD 0.2 * VDD 0.3 * DVDD V ILEAK Input leakage current 100 nA CMOS Output VOH High level output voltage With a load current of 1mA VDD - 0.4 V VOL Low level output voltage With a load current of 1mA VSS + 0.4 V CL Capacitive load For a clock frequency of 1 MHz 400 pF Tristate CMOS Output VOH High level output voltage With a load current of 1mA VDD - 0.4 V VOL Low level output voltage With a load current of 1mA VSS + 0.4 V IOZ Tristate leakage current to DVDD and DVSS 100 nA Table 5. Electrical System Specifications Symbol Parameter Conditions Min Typ Max Units Input Characteristics Rin Input Impedance In case no antenna damper is set (R1<4>=0) 2 M Ohm Fmin Minimum Input Frequency 110 kHz Fmax Maximum Input Frequency 150 kHz Current Consumption IPWD Power Down Mode 400 800 nA I1CHRC Current Consumption in standard listening mode with one active channel and RC- oscillator as RTC 2.7 µA I2CHRC Current Consumption in standard listening mode with two active channels and RC- oscillator as RTC 4.2 µA I3CHRC Current Consumption in standard listening mode with three active channels and RC- oscillator as RTC 5.7 8.3 µA |
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