QT115A-ISG Atmel, QT115A-ISG Datasheet - Page 63

• Manufacturer Part Number: QT115A-ISG
• Description: IC TOUCH SENSOR PROX 8SOIC
• Manufacturer: Atmel

Specifications of QT115A-ISG

• Input Type: *
• Output Type: *
• Interface: *
• Current - Supply: *
• Mounting Type: Surface Mount
• Operating Supply Voltage: 3 V to 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SO-8
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Package / Case: -
• Lead Free Status / Rohs Status: Details

6.3.5.3
Touch Sensors Design Guide
Wheel
To form a wheel, the design is wrapped around to form a circle, the X segments becoming curved tooth
shapes (see
Figure 6-7.
Figure 6-7 on page
Two-layer Medium/Large Wheel (Spatially Interpolated)
X Electrodes x n
360°
n
6-9).
3
4
x
360°
n
4 mm
4 mm
4 mm
4 mm
2 mm
Mutual-capacitance One-dimensional Sensors
Arc center is coincident with the middle
of the bisecting line in center third segment
4 mm
4 mm
4 mm 2 mm
Y Rings
10620D–AT42–04/09
6-9