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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CAP1114 датащи(PDF) 16 Page - Microchip Technology |
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CAP1114 датащи(HTML) 16 Page - Microchip Technology |
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16 / 102 page  Multiple Channel Capacitive Touch Sensor and LED Driver Datasheet Revision 1.1 (02-04-11) 16 SMSC CAP1114 DATASHEET Time to First Conversion tCONV 400 500 ms Time from power applied to first sensor sampled Capacitive Touch Sensor Base Capacitance CBASE 5 15 50 pF Pad untouched Detectable Capacitive Shift ΔC TOUCH 0.1 0.4 2 pF Pad touched Sample Time tTOUCH 2.5 ms Update Time Δt TOUCH 35 ms Recalibration Interval Δt CAL 8s Automatic Recalibration active, no touch active, default settings LED / GPIO Drivers (LED / GPIO 1 - 8) Duty Cycle DUTYLED 0 100 % Programmable Drive Frequency fLED 2kHz Sinking Current ISINK 24 mA VOL = 0.4 Sourcing Current ISOURCE 24 mA VOH = VDD - 0.4 Input High Voltage VIH 2.0 V LED / GPIO configured as input Input Low Voltage VIL 0.8 V LED / GPIO configured as input LED Drivers (LED 9 - LED 10) Duty Cycle DUTYLED 0 100 % Programmable Drive Frequency fLED 2kHz Sinking Current ISINK 24 mA Output Low Voltage VOL 0.4 V ISINK = 24mA LED11 Driver Duty Cycle DUTYLED 0 100 % Programmable Drive Frequency fLED 2kHz Sinking Current ISINK 48 mA Output Low Voltage VOL 0.4 V ISINK = 48mA I/O Pins - SMDATA, SMCLK, and ALERT Pins Output Low Voltage VOL 0.4 V ISINK_IO = 8mA Output High Voltage VOH VDD - 0.4 V ALERT pin active high and asserted ISOURCE_IO = 8mA Input High Voltage VIH 2.0 V Table 3.2 Electrical Specifications (continued) VDD = 3V to 3.6V, TA = -40°C to 125°C, all Typical values at TA = 27°C unless otherwise noted. CHARACTERISTIC SYMBOL MIN TYP MAX UNIT CONDITIONS |
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