AT42QT1012-MAH Atmel, AT42QT1012-MAH Datasheet - Page 22

• Manufacturer Part Number: AT42QT1012-MAH
• Description: IC SENSR TOUCH/PROX 1CH SOT23-8
• Manufacturer: Atmel
• Series: QTouch™r
• Type: Capacitiver

Specifications of AT42QT1012-MAH

• Touch Panel Interface: 1, 2-Wire
• Number Of Inputs/keys: 1 Key
• Resolution (bits): 9, 14 b
• Data Interface: Serial
• Voltage Reference: Internal
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-UFDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

5. Specifications
5.1
5.2
5.3
Vdd = 3.0V, Cs = 10 nF, Cx = 5 pF, Ta = recommended range, unless otherwise noted
22
Operating temperature
Storage temperature
V
Max continuous pin current, any control or drive pin
Short circuit duration to Vss, any pin
Short circuit duration to Vdd, any pin
Voltage forced onto any pin
V
Short-term supply ripple + noise
Long-term supply stability
Cs value
Cx value
Parameter
DD
DD
T
T
T
T
T
T
T
RC
PC
PT
G
G
BL
R
Absolute Maximum Specifications
Recommended Operating Conditions
AC Specifications
1
2
AT42QT1012
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
Recalibration time
Charge duration
Transfer duration
Time between end of burst and
start of the next (Fast mode)
Time between end of burst and
start of the next (LP mode)
Burst length
Response time
Description
Min
1.86
Typ
200
2.6
80
6
3
-40°C to +85°C
-55°C to +125°C
0 to +6.5V
±20 mA
Infinite
Infinite
-0.6V to (V
+1.8 to 5.5V
±20 mV
±100 mV
2.2 to 50 nF
5 to 20 pF
Max
100
DD
Units
ms
ms
ms
ms
ms
+ 0.6) Volts
µs
µs
Notes
Cs, Cx dependent
±7.5% spread spectrum variation
±7.5% spread spectrum variation
Increases with decreasing V
V
Section 4.2
DD
, Cs and Cx dependent. See
for capacitor selection.
9543D–AT42–08/10
DD