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PDF IQS243 Data sheet ( Hoja de datos )
| Número de pieza | IQS243 | |
| Descripción | 3 Channel Capacitive Sensor | |
| Fabricantes | Azoteq | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IQS243 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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IQS243 Datasheet
IQ Switch® - ProxSense® Series
3 Channel Capacitive Sensor with I2CTM compatible interface and Compensation for
Sensitivity Reducing Objects
Unparalleled Features
Sub 3uA current consumption
Automatic tuning for optimal operation in various environments
The IQS243 ProxSense® IC is a fully integrated 3 channel capacitive contact and proximity
sensor with market leading sensitivity and automatic tuning to the sense antenna. The IQS243
provides a cost effective implementation in a small outline package. The device is ready for
use in a large range of applications while the I2CTM compatible interface provides full control to
a host.
Main Features
3 Channel input device
Proximity & Touch on each channel
I2CTM compatible data output
ATI: Automatic tuning to optimum sensitivity
Supply Voltage 1.8V (abs min) to 3.6V (abs max)
Multiple Power Modes
Internal voltage regulator and reference capacitor
Large proximity detection range
Automatic drift compensation
Development tools available (VisualProxSense and USB dongles)
Small outline MSOP–10
Applications
White goods and appliances
Office equipment, toys, sanitary ware
Proximity detection that enables backlighting activation (Patented)
Wake-up from standby applications
Replacement for electromechanical switches
GUI trigger and GUI control proximity detection
Available options
TA
-40°C to 85°C
MSOP-10
IQS243
1 page  
IQ Switch®
ProxSense® Series
Figure 8.1 Charging and communications sequence for the IQS243.
9.1 Memory Mapping
Address Size(Bytes)
00h-0Fh
16
Device Information
10h-30h
32
Device Specific Data
R/W
R
R/W
31h-34h
4
Proximity Status Bytes
35h-38h
4
Touch Status Bytes
Copyright © Azoteq (Pty) Ltd 2011.
All Rights Reserved.
IQS243 Datasheet
Revision 1.0
R/W
R
R/W
R
Page 5 of 29
January 2012
5 Page 
C6H
Bit 7
IQ Switch®
ProxSense® Series
Channel 0 Compensation Setting (CH0_COMP)
654321
Compensation 0 <5:0>
R/W
0
R/W
C7H
Bit 7
Channel 1 Compensation Setting (CH1_COMP)
654321
Compensation 1 <5:0>
R/W
0
R/W
C8H
Bit 7
Channel 2 Compensation Setting (CH2_COMP)
654321
Compensation 2 <5:0>
R/W
0
R/W
C9H
Bit 7
Channel 3 Compensation Setting (CH3_COMP)
654321
Compensation 3 <5:0>
R/W
0
R/W
CAH
System Use
R/W
Bit 7 6 5 4 3 2 1 0
System Use
R/W
CBH
System Use
R/W
Bit 7 6 5 4 3 2 1 0
System Use
R/W
CCH
Bit 7 6 5
Copyright © Azoteq (Pty) Ltd 2011.
All Rights Reserved.
System Use
43
System Use
IQS243 Datasheet
Revision 1.0
2
R/W
10
R/W
Page 11 of 29
January 2012
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet IQS243.PDF ] | |
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