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MTCH102-I/ML Datasheet(PDF) 8 Page - Microchip Technology

Part # MTCH102-I/ML
Description  2, 5 and 8-Channel Proximity/Touch Controller Data Sheet
PDF  37 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MTCH102-I/ML Datasheet(HTML) 8 Page - Microchip Technology

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MTCH102/5/8
DS40001793C-page 8
Preliminary
 2015-2016 Microchip Technology Inc.
2.0
TYPICAL CIRCUIT
The MTCH102 is used as an example to show two
typical circuits for MTCH10X devices in the following
figures. For more information about capacitive sensor
layout guidance, refer to “Techniques for Robust Touch
Sensing Design”
(AN1334).
FIGURE 2-1:
TWO SENSORS AND NO ACTIVE GUARD CIRCUIT
FIGURE 2-2:
ONE SENSOR WITH ACTIVE GUARD CIRCUIT
1
VDD
MTI0
2
MTI1/Guard
3
MTPM
4
MTSA
5
MTO1/GC
6
MTO0
7
VSS
8
U1
VDD
GND
10K
R3
R5
R4
Sensor
Sensor
4.7K
R1
4.7K
R2
0.1uF
C1
10K
R7
10K
R6
VDD
GND
VDD
MTO0
MTO1
MTPM
1
VDD
MTI0
2
MTI1/Guard
3
MTPM
4
MTSA
5
MTO1/GC
6
MTO0
7
VSS
8
U1
VDD
GND
10K
R3
R5
R4
Sensor
4.7K
R1
0
R2
0.1uF
C1
10K
R6
VDD
GND
VDD
MTO0
MTPM
Sensor
Active Guard
GND



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