Datasheet

1. Pinout and Schematic
1.1 Pinout Configurations
1.1.1 6-pin SOT23-6
VDD
TIME
SNSK
VSS
OUT
4
1
2
3
5
6
SNS
QT1012
1.1.2 8-pin UDFN/USON
Pin 1 ID
OUT
SNSK
VSS
SNS
VDD
TIME
N/C
N/C
4
3
2
1
8
7
6
5
QT1012
1.2 Pin Descriptions
Table 1-1. Pin Listing
6-Pin 8-Pin Name Type Description If Unused, Connect
To...
1 5 OUT O
(1)
Output state. To switched circuit and output polarity selection
resistor (Rop)
2 4 VSS P Ground
3 1 SNSK I/O Sense pin. To Cs capacitor and to sense electrode Cs + key
4 8 SNS I/O Sense pin. To Cs capacitor and multiplier configuration resistor
(Rm). Rm must be fitted and connected to either VSS or VDD.
See Section 3.11.4 for details.
Cs
5 7 VDD P Power
6 6 TIME I Timeout configuration pin. Must be connected to either VSS,
VDD, OUT or an RC network. See Section 3.11 for details.
— 2 N/C — Not connected Do not connect
— 3 N/C — Not connected Do not connect
AT42QT1012
© 2017 Microchip Technology Inc.
Datasheet
DS40001948A-page 5