AT42QT1111-MU Atmel, AT42QT1111-MU Datasheet - Page 2

• Manufacturer Part Number: AT42QT1111-MU
• Description: IC TOUCH SENSOR 11KEY QFN
• Manufacturer: Atmel
• Series: QTouch™r
• Type: Capacitiver

Specifications of AT42QT1111-MU

• Touch Panel Interface: 10, 2-Wire
• Number Of Inputs/keys: 11 Key
• Data Interface: Serial, SPI™
• Voltage Reference: Internal
• Voltage - Supply: 3 V ~ 5.5 V
• Current - Supply: 12mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN Exposed Pad
• Output Type: Logic
• Interface: SPI
• Input Type: Logic
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AT42QT1111-MU; AT42QT1111-MUTR

1. Pinout and Schematic
1.1
2
Pinout Configuration
AT42QT1111-MU/AT42QT1111-AU
SNS1K
SNS0K
SNS2K
SNS1
SNS3
SNS2
VDD
VSS
1
2
3
4
5
6
7
8
32 31 30 29 28 27 26 25
9 10 11
QT1110
QT1111
12
13
14
15
16
24
23
22
21
20
19
18
17
SNS8/DETECT2
SNS7/DETECT1
SNS7K/DETECT0
VSS
SNS6
SNS6K
VDD
SCK
9571A–AT42–02/10