AWS01
1-Ch Differential Sensitivity Capacitive Touch Sensor
SPECIFICATION V1.2
작성
검토
PL
App.
Marketing
QA
Approval
Feb. 2017
Confidential
ADSemiconductor
ADSemiconductor
®
AWS01 (1-CH Differential Sensitivity Capacitive Touch Sensor)
Revision History
Rev.
1.0
1.1
1.2
Description of change
Initial Release
AD Logo changed
The POD changed
Modify operating temperature spec.
Add year code(2017-2026)
Date
10. 05. 12.
12. 11. 30.
17. 02. 10
Originator
KD PARK
KD PARK
HS KWAK
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ADSemiconductor
®
AWS01 (1-CH Differential Sensitivity Capacitive Touch Sensor)
1 Specification
1.1 General features
1-Channel capacitive touch sensor with differential sensitivity calibration
Low power consumption
Open-drain digital output
Internal power on reset
Embedded common and normal noise elimination circuit
RoHS compliant SOT-26 package
1.2 Application
Home appliance
Mobile phone hall sensor replacement
Fluid level sensing
Switch replacement
Membrane switch replacement
Human interface for toys & interactive games
Sealed control panels, keypads
Seat sensor for a bidet
1.3 Package (SOT-26)
AWS01 SOT-26 (Drawings not to scale)
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ADSemiconductor
®
AWS01 (1-CH Differential Sensitivity Capacitive Touch Sensor)
2 Pin Description (SOT-26)
PIN Number
1
2
3
4
5
6
Name
VDD
SYNC
CS
CR
GND
OUT
I/O
Power
Analog Input
/Output
Analog Input
Analog Input
Ground
Digital Output
Description
Power (2.5V ~ 5.0V)
Adjust the response time
Capacitive sensor input
Reference sensor input for
differential sensitivity calibration
and initial touch detect
Supply ground
Touch detect out
Protection
GND
VDD/GND
VDD/GND
VDD/GND
VDD
VDD/GND
3 Absolute Maximum Rating
Supply voltage
5.5 V
Maximum voltage on any pin
VDD+0.3 V
Maximum current on any PAD
100mA
Continuous power Dissipation
200mW
Storage Temperature
-50 ~ 150℃
Operating Temperature
-40 ~ 85℃
Junction Temperature
150℃
Note1
: Unless any other command is noted, all above are operated in normal temperature.
4 ESD & Latch-up Characteristics
4.1
ESD characteristics
Mode
H.B.M
Polarity
Pos / Neg
Minimum Level
3000V
3000V
3000V
300V
300V
300V
1000V
Reference
VDD
VSS
P to P
VDD
VSS
P to P
DIRECT
M.M
C.D.M
Pos / Neg
Pos / Neg
4.2
Latch-up characteristics
Mode
I Test
Polarity
Positive
Negative
Positive
Minimum Level
25mA ~ 100mA
-25mA ~ -100mA
18V
Test Step
25mA
1V
V supply over 5.0V
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ADSemiconductor
®
AWS01 (1-CH Differential Sensitivity Capacitive Touch Sensor)
5 Electrical Characteristics
▪
V
DD
=3.3V (Unless otherwise noted), T
A
= 25℃
Characteristics
Operating supply voltage
Current consumption
Output maximum sink
current
Internal reset V
DD
voltage
Sense input
capacitance range
[Note2]
Symbol
V
DD
I
DD
I
OUT
V
DD_RST
C
S
C
R
R
S
ΔC
S
Zo
T
R_VDD
Test Condition
Min
2.5
Typ
3.3
230
285
-
1.9
10
12
200
-
12
30M
-
Max
5.0
-
-
4.0
2.1
100
Units
V
㎂
㎃
V
V
DD
= 3.3V
V
DD
= 5.0V
T
A
= 25℃
T
A
= 25℃
-
-
-
-
-
-
-
㎊
100
1000
-
-
Ω
-
-
-
100
ms
Ω
㎊
Reference input
capacitance range
Sense input
resistance range
Minimum detectable
capacitance variation
Output impedance
(open drain)
Maximum supply voltage
rising time
C
S
= 10pF
ΔC
S
> 0.2pF
ΔC
S
< 0.2pF
0.2
-
Note 2: The sensitivity can be increased with lower C
S
value.
The recommended value of C
S
is 10pF when using 3T PC(Poly Carbonate) cover and
10 ㎜ x 7 ㎜ touch pattern and middle sensitivity selection.
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