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AT42QT1011 Datasheet(PDF) 12 Page - ATMEL Corporation |
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AT42QT1011 Datasheet(HTML) 12 Page - ATMEL Corporation |
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12 / 18 page  12 9542G–AT42–03/10 AT42QT1011 5. Specifications 5.1 Absolute Maximum Specifications 5.2 Recommended Operating Conditions 5.3 AC Specifications Operating temperature -40°C to +85°C Storage temperature -55°C to +125°C VDD 0 to +6.5V Max continuous pin current, any control or drive pin ±20 mA Short circuit duration to Vss, any pin Infinite Short circuit duration to Vdd, any pin Infinite Voltage forced onto any pin -0.6V to (VDD + 0.6) Volts CAUTION: Stresses beyond those listed under Absolute Maximum Specifications may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum specification conditions for extended periods may affect device reliability VDD +1.8 to 5.5V Short-term supply ripple + noise ±20 mV Long-term supply stability ±100 mV Cs value 2 to 50 nF Cx value 5 to 50 pF Vdd = 3.0V, Cs = 4.7 nF, Cx = 5 pF, Ta = recommended range, unless otherwise noted Parameter Description Min Typ Max Units Notes TRC Recalibration time 200 ms Cs, Cx dependent TPC Charge duration 3.05 µs ±7.5% spread spectrum variation TPT Transfer duration 9.0 µs ±7.5% spread spectrum variation TG1 Time between end of burst and start of the next (Fast mode) 1.2 ms TG2 Time between end of burst and start of the next (LP mode) 80 ms Increases with decreasing VDD See Figure 5-1 on page 13 TBL Burst length 2.45 ms VDD, Cs and Cx dependent. See Section 4.2 for capacitor selection. TR Response time 100 ms THB HeartBeat pulse width 15 µs |
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