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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AS3930 датащи(PDF) 7 Page - ams AG |
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AS3930 датащи(HTML) 7 Page - ams AG |
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7 / 32 page  www.ams.com/LF-Receiver/AS3930 Revision 1.5 7 - 32 AS3930 Datasheet - Electrical Character i s t ics 6 Electrical Characteristics Table 4. Electrical Characteristics Symbol Parameter Conditions Min Typ Max Units Operating Conditions VDD Positive supply voltage 2.4 3.6 V VSS 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* VDD 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 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 VSS+0.4 V IOZ Tristate leakage current To VDD and VSS 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) 2M Ω Fmin Minimum Input Frequency 110 kHz Fmax Maximum Input Frequency 150 kHz Current Consumption IPWD Power Down Mode 400 nA ICHRC Current Consumption in standard listening mode with channel active all the time and RC-oscillator as RTC 2.7 µA ICHOORC Current Consumption in ON/OFF mode and RC-oscillator as RTC 11% Duty Cycle 1.37 µA 50% Duty Cycle 2 ICHXT Current Consumption in standard listening mode and crystal oscillator as RTC 3.5 5.9 µA IDATA Current Consumption in Preamble detection / Pattern correlation / Data receiving mode (RC-oscillator) With 125kHz carrier frequency and 1kbps data-rate. No load on the output pins. 5.3 9 µA |
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