QT115A-ISG Atmel, QT115A-ISG Datasheet - Page 19
QT115A-ISG
Manufacturer Part Number
QT115A-ISG
Description
IC TOUCH SENSOR PROX 8SOIC
Manufacturer
Atmel
Datasheet
1.AT42QT1040-MMH.pdf
(72 pages)
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
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- Download datasheet (2Mb)
General Advice
Figure 2-5.
Effect of ESD Creepage On a Flex Tail
ESD Strike Here
Gap Beside
Panel
Panel
Zap!
Flex Tail
Sensor
(1)
Under extreme circumstances
, where extra ESD protection must be added, consider placing very low
capacitance (1 pF or less) varistors or transient suppressor devices near to the control chip.
If the creepage path is "broken" before the ESD meets the sensor, then this will block the creepage; for
example, if there is adhesive on the surface around and overlapping the electrode. Generally, creepage
occurs only on insulating uniform non-dissapative surfaces. This is a complex field of study that should
be considered but probably not over-analyzed; simple precautions usually suffice.
1. These include direct contact sensors or situations where such gaps are unavoidable.
Touch Sensors Design Guide
2-9
10620D–AT42–04/09
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