AT42QT1060_14 Datasheet, PDF (26/36 Pages) ATMEL Corporation – Six-channel QTouch Touch Sensor IC

7. Specifications
7.1 Absolute Maximum Specifications
Vdd
–0.5 to +6 V
Max continuous pin current, any control or drive pin
±10 mA
Short circuit duration to ground, any pin
infinite
Short circuit duration to Vdd, any pin
infinite
Voltage forced onto any pin
–0.6 V to (Vdd + 0.6) V
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.
7.2 Recommended Operating Conditions
Operating temp
Storage temp
Vdd
Supply ripple+noise
Cx load capacitance per key
–40^oC to +85^oC
–55^oC to +125^oC
+1.8 V to 5.5 V
±25 mV
2 – 20 pF
7.3 DC Specifications
Vdd = 3.3 V, Cs = 10 nF, load = 5 pF, 32 ms default sleep, Ta = recommended range, unless otherwise noted
Parameter Description
Minimum Typical Maximum Units Notes
Vil
Low input logic level
–
–
0.2 × Vdd
V
Vih
High input logic level
0.6 × Vdd
–
–
V
Vol
Low output voltage
–
–
0.5
V
4 mA sink
Voh
High output voltage
Vdd – 0.7 V
–
–
V
1 mA source
Iil
Input leakage current
–
–
±1
µA
Ar
Acquisition resolution
–
8
–
bits
AT42QT1060 [DATASHEET] 26
9505G–AT42–05/2013