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MTCH108 Datasheet Download - Microchip

Номер произв MTCH108
Описание Proximity/Touch Controller
Производители Microchip
логотип Microchip логотип 

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MTCH108 Даташит, Описание, Даташиты
MTCH102/5/8
2, 5 and 8-Channel Proximity/Touch Controller Data Sheet
Description
The Microchip mTouch® MTCH102/5/8 Proximity/Touch Controller with simple digital output provides an easy way to
add proximity or touch detection to any application. This device family implements capacitive sensors with active
guarding capability. The sensitivity and power mode can be configured through the MTSA and MTPM pins. The
MTCH102/5/8 devices also use an advanced optimization algorithm to actively suppress noise from the signal to
achieve reliable proximity/touch detection.
Features
• Capacitive Proximity and Touch Detection
System:
- High Signal to Noise Ratio (SNR)
- Adjustable sensitivity with compensation for
different sensor sizes
- Multi-stage active noise suppression filters
- Automatic environmental compensation
- Support wide range of sensor shapes and
sizes
• Simple I/O Interface with Existing System
• Smart Scan Scheduling
• Threshold Hysteresis
• Flexible Low-Power mode
• Brown-Out Protection
• Operating Voltage Range:
- 2.05V to 3.6V
• Operating Temperature:
- 40°C to +85°C
Typical Application
• Light Switch
• Portable Device Enabler
• White Goods and Appliance
• Office Equipment and Toys
• Display and Keypad Back-lighting Activation
TABLE 1: MTCH10X FAMILY TYPES
Device
Data Sheet Index
Sensor Input
Active Guard
MTCH101
(A) 1
MTCH102
(B) 2(1)
MTCH105
(B) 5(1)
MTCH108
(B) 8(1)
Note 1: One of the sensor inputs can be configured as active guard output.
N
Y(1)
Y(1)
Y(1)
Data Sheet Index: (Unshaded devices are described in this document.)
A: DS-40001664 MTCH101 Single-Channel Proximity Detector
B: Future Release MTCH102/105/108 Dual-Channel Proximity/Touch Controller
Digital Output
1
2
5
8
Note: For other small form-factor package availability and marking information, please visit
http://www.microchip.com/packaging or contact your local sales office.
TABLE 2: PACKAGES
Packages
MTCH102
MTCH105
MTCH108
MSOP
X
TSSOP
X
SSOP
X
UDFN
X
QFN
X
UQFN
X
2015 Microchip Technology Inc.
Preliminary
DS40001793A-page 1







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MTCH108 Даташит, Описание, Даташиты
MTCH102/5/8
PIN DIAGRAMS
FIGURE 1:
8-LEAD MSOP, UDFN
VDD
MTI0
MTI1/Guard
MTPM
1
2
3
4
8 VSS
7 MTO0
6 MTO1/GC
5 MTSA
Note: See Table 3 for the pin allocation table.
FIGURE 2:
14-LEAD TSSOP
VDD 1
MTI0 2
MTI1 3
MTPM 4
MTI2/ Guard
MTI3
MTI4
5
6
7
14 VSS
13 MTO0
12 MTO1
11 MTSA
10 MTO2/GC
9 MTO3
8 MTO4
Note: See Table 4 for the pin allocation table.
FIGURE 3:
16-LEAD QFN
FIGURE 4:
20-LEAD SSOP
VDD
MTI0
MTI1
MTPM
MTI2/Guard
MTI3
MTI4
MTI5
MTI6
MTI7
1
2
3
4
5
6
7
8
9
10
20 VSS
19 MTO0
18 MTO1
17 MTSA
16 MTO2/GC
15 MTO3
14 MTO4
13 MTO5
12 MTO6
11 MTO7
Note: See Table 5 for the pin allocation table.
FIGURE 5:
20-LEAD UQFN
MTPM 1
MTI2/Guard 2
MTI3 3
MTI4 4
MTI5 5
MTCH108
15 MTO1
14 MTSA
13 MTO2/GC
12 MTO3
11 MTO4
Note: See Table 5 for the pin allocation table.
MTI0 1
MTI1 2
MTPM 3
MTI2/Guard 4
MTCH105
12 MTO0
11 MTO1
10 MTSA
9 MTO2/GC
Note: See Table 4 for the pin allocation table.
DS40001793A-page 2
Preliminary
2015 Microchip Technology Inc.







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MTCH108 Даташит, Описание, Даташиты
MTCH102/5/8
PIN ALLOCATION TABLES
TABLE 3:
Name
VDD
MTI0
MTI1/Guard
MTPM
MTSA
MTO1/GC
MTO0
VSS
8-PIN DESCRIPTION (MTCH102)
8-Lead
MSOP and
UDFN
Description
1 Power Supply Input
2 Proximity/Touch Sensor 0 Input
3 Proximity/Touch Sensor 1 Input/Active Guard
4 Low-Power Mode Select
5 Sensitivity Adjust Input
6 MTI1 Detect Output (Active-Low)/Guard Control
7 MTI0 Detect Output (Active-Low)
8 Ground
TABLE 4:
Name
VDD
MTI0
MTI1
MTPM
MTI2/Guard
MTI3
MTI4
MTO4
MTO3
MTO2/GC
MTSA
MTO1
MTO0
VSS
14-/16-PIN DESCRIPTION (MTCH105)
14-Lead
TSSOP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16-Lead
QFN
16
1
2
3
4
5
6
7
8
9
10
11
12
13
Description
Power Supply Input
Proximity/Touch Sensor 0 Input
Proximity/Touch Sensor 1 Input
Low-Power Mode Select
Proximity/Touch Sensor 2 Input/Active Guard
Proximity/Touch Sensor 3 Input
Proximity/Touch Sensor 4 Input
MTI4 Detect Output (Active-Low)
MTI3 Detect Output (Active-Low)
MTI2 Detect Output (Active-Low) /Guard Control
Sensitivity Adjust Input
MTI1 Detect Output (Active-Low)
MTI0 Detect Output (Active-Low)
Ground
2015 Microchip Technology Inc.
Preliminary
DS40001793A-page 3










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