SX8661I07AULTRT Semtech, SX8661I07AULTRT Datasheet - Page 79
SX8661I07AULTRT
Manufacturer Part Number
SX8661I07AULTRT
Description
IC, Capacitive Button Touch And Proximity Controller, 8 SENSOR, MLPQ-28
Manufacturer
Semtech
Datasheet
1.SX8661I07AULTRT.pdf
(88 pages)
Specifications of SX8661I07AULTRT
Controller Type
Capacitive Touch Screen
Ic Interface Type
I2C
Supply Voltage Range
2.7V To 3.6V
Operating Temperature Range
-40°C To +85°C
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SX8661
Low Power, Capacitive Button Touch and Proximity Controller
(8 sensors) with LED Drivers and Analog Output
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
7 A
I
PPLICATION
NFORMATION
7.1 Triple proximity reporting
This section describes in further detail the quickstart application of chapter 3.1.
One AOI with seven LEDs are used. The intensity level of the LEDs show if proximity (medium intensity) or a
touch (maximum intensity) is detected. The LEDs are off in case no finger is present.
Typical Application (one AOI), triple proximity reporting
Figure 62
In case of proximity all LEDs (d0 to d6) are enabled to a medium intensity.
If a sensor is touched then only the corresponding LED will light up with full intensity. The other LEDs remain at
medium intensity.
Revision v3.2, January 2011
© 2011 Semtech Corp.
www.semtech.com
79
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