AT42QT1111-MU Atmel, AT42QT1111-MU Datasheet - Page 6

• 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

Figure 1-3.
6
AT42QT1111-MU/AT42QT1111-AU
Typical Circuit: 10 Keys With External Trigger (SYNC Mode)
Vunreg
Suggested voltage regulator manufacturers:
Re
• Torex (XC6215 series)
• Seiko (S817 series)
• BCDSemi (AP2121 series)
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•
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Section 3.1 on page
Section 3.2 on page
Section 3.5 on page
Section 3.3 on page
Figure
VREG
1-1,
Figure 1-2
QT1111
8:
8: Sample resistors (Rs0 – Rs10)
9: Voltage levels
8: LED traces
and
Cs capacitors (Cs0 – Cs10)
Figure 1-3
check the following sections for component values:
9571A–AT42–02/10