4.5 Signal Processing
Vdd = 4.0V, Cx = 10pF, Cs = 10nF, Fosc = 100kHz, Ta = recommended range, unless otherwise noted
Option pin selected;
Nominal timings; dependent on Fosc, Sync
secs10, 60, infinitePost-detection recalibration timer duration
Nominal timing dependent on Fosc, Syncsecs2Fast negative recalibration timer duration
Nominal timing dependent on Fosc, Syncms/level250Negative drift compensation rate
Nominal timing dependent on Fosc, Syncms/level1,000Positive drift compensation rate
samples6Consensus filter length (Detection integrator)
counts5Fast negative threshold differential
From thresholdcounts2Hysteresis
From signal referencecounts12Threshold differential (positive)
Notes
UnitsValueDescription
4.6 Mechanical Dimensions
C
E
B
D
C'
Base level
Seating level
F
H
G
A
ø
!
0.200.108.04.0H
0.860.6634.026.0G
0.250.1010.04.0F
-0.650--25.59-E
1.851.6573.065.0D
7.496.88295.0271.0C’
0.380.2315.09.0C
5.594.98220.0196.0B
8.207.39323.0291.0A
MaxTypMinMaxTypMin
Metric (mm)Inches (mils)
SYMBOL
209 mil 20-pin SSOP Dimensions
lQ
10 QT240R R1.11/1006
4.7 Marking
SSOP-20-40
o
C to +85
o
CQT240-ISSG
PackageTemperature RangePart
xxxx = fab code
4.8 Moisture Sensitivity Level (MSL)
IPC/JEDEC J-STD-020C260
O
CMSL3
Specifications
Peak Body
Temperature
MSL Rating
lQ
11 QT240R R1.11/1006
QT240-IG
© QRG xxxxR
1
lQ
Copyright © 2003-2006 QRG Ltd. All rights reserved.
Patented and patents pending
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This device is covered under one or more United States and corresponding international patents. QRG patent numbers can be found online
at www.qprox.com. Numerous further patents are pending, which may apply to this device or the applications thereof.
The specifications set out in this document are subject to change without notice. All products sold and services supplied by QRG are subject
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products and applications which incorporate QRG's products.

QT240-ISSG

Mfr. #:
Manufacturer:
Microchip Technology / Atmel
Description:
Interface - Specialized 3.9 - 5.5V 4 Chan Touch Sensor
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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