AT42QT1012-MAH Atmel, AT42QT1012-MAH Datasheet - Page 18

• 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

18
AT42QT1012
Figure 3-12. Override Pulse (Delay Multiplier x24)
Figure 3-13
Figure 3-13. Overriding Auto Off
shows override pulses being applied to a QT1012 with delay multiplier set to x1.
VDD
VSS
SNSK
OUT
P - override (reload auto off delay)
O - switch output off (t
C - sensor recalibration
P – override (reload auto off delay)
O – switch output off
C – sensor recalibration
Vm
Vm
ELECTRODE
Tp
SENSE
Bursts
RS
CS
Rm
4
3
SNSK
SNS
P
C
off
VDD
VDD
burst time + 50ms)
VSS
5
P
2
C
TIME
OUT
P
1
6
C
Rop
t
off
O
C
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