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LDC1000-Q1 Datasheet(PDF) 5 Page - Texas Instruments |
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LDC1000-Q1 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 40 page  LDC1000-Q1 www.ti.com SLOS886B – SEPTEMBER 2014 – REVISED OCTOBER 2014 6.5 Electrical Characteristics Unless otherwise specified, all limits ensured for TA = 25°C, VDD = 5 V, VIO = 3.3 V PARAMETER TEST CONDITIONS MIN TYP MAX UNIT POWER VDD Analog supply voltage 4.75 5 5.25 V VIO IO supply voltage VIO ≤ VDD 1.8 3.3 5.25 V Does not include the LC IDD Supply current 1.7 2.3 mA tank current IIO IO supply current Static current 14 µA IDD(LP) Low-power mode supply current Without LC tank 250 µA From POR to ready-to- t(start) Start-up time convert. Crystal not used 2 ms for frequency counter LDC fsensor_min Minimum sensor frequency 5 kHz fsensor_max Maximum sensor frequency 5 MHz Asensor_min Minimum sensor amplitude 1 VPP Asensor_max Maximum sensor amplitude 4 VPP Oscillation start-up time trec Recovery time after RP under-range 10 1 / fsensor condition ZRP_min Minimum sensor RP range 798 Ω RRP_max Maximum sensor RP range 3.93 M Ω RRP_res RP measurement resolution 16 Bits Minimum programmable tres(min) Minimum response time 192 × 1 / fsensor s settling time of digital filter Maximum programmable tres(max) Maximum response time 6144 × 1 / fsensor s settling time of digital filter EXTERNAL CLOCK AND CRYSTAL FOR FREQUENCY COUNTER fref Crystal frequency 8 MHz txtalst Crystal startup time 30 ms External clock frequency 8 MHz External clock input high voltage VIO V DIGITAL I/O CHARACTERISTICS 0.8 × VIH Logic 1 input voltage V VIO VIL Logic 0 input voltage 0.2 × VIO V VOH Logic 1 output voltage I(SOURCE) = 400 µA VIO– 0.3 V VOL Logic 0 output voltage I(SINK) = 400 µA 0.3 V IlkgIO Digital IO leakage current –500 500 nA Copyright © 2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LDC1000-Q1 |
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