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AK4160 Datasheet(PDF) 6 Page - Asahi Kasei Microsystems

Part # AK4160
Description  16-channel Capacitive Touch Sensor IC
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK4160 Datasheet(HTML) 6 Page - Asahi Kasei Microsystems

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[AK4160]
MS1313-E-01
2011/11
- 6 -
ANALOG CHARACTERISTICS
(Ta = -40
°C ~ 85°C, VDD = 1.8V; unless otherwise specified)
Parameter
Symbol
min
typ
max
Unit
A/D Converter
Resolution
RESO
-
10
-
Bits
Touch Sensor
Charge Current Variation Against Nominal Value (Note 8)
ICHG
-5
-
5
%
Power Supply Current
Measurement Current (All function in active)
IMEAS
-
0.8
1
mA
Idle Current
IIDLE
-
3
11
uA
Average Supply Current
TSR= 4ms, NCH=16, TCHG=2us, NF1S=4
TSR= 8ms, NCH=16, TCHG=2us, NF1S=4
TSR= 16ms, NCH=16, TCHG=2us, NF1S=4
TSR= 32ms, NCH=16, TCHG=2us, NF1S=4
TSR= 64ms, NCH=16, TCHG=2us, NF1S=4
TSR=128ms, NCH=16, TCHG=2us, NF1S=4
TSR=256ms, NCH=16, TCHG=2us, NF1S=4
TSR=512ms, NCH=16, TCHG=2us, NF1S=4
IDD
-
-
-
-
-
-
-
-
54
29
16
9
6
5
4
3.4
-
-
-
-
-
-
-
-
uA
uA
uA
uA
uA
uA
uA
uA
Shutdown Current NCH=0 (Shutdown Mode)
ISHUT
-
1
9
uA
Note 8. Sense terminal voltage condition: The AD conversion value should be less or equal to VDD-0.2[V].
The charge current is dependent on the operating voltage, and is configured with registers in “0.556 x VDD [uA]”
to “35.028 x VDD [uA]” range.
DC CHARACTERISTICS (Logic I/O)
(Ta = -40
°C ~ 85°C, VDD = 1.71V ~ 3.6V; unless otherwise specified)
Parameter
Symbol
min
typ
max
Unit
Input Leakage Current (Note 9) (Note 10)
IILH
-1.0
-
1.0
uA
Input High Voltage
VIH
0.7xVDD
-
-
V
Input Low Voltage
VIL
-
-
0.3xVDD
V
Output High Voltage (Note 11) (Note 14) Io=-10mA
VOHF1
VDD-0.5
-
-
V
Output High Voltage (Note 11) (Note 15) Io=-3.3mA
VOH1
VDD-0.5
-
-
V
Output Low Voltage (Note 11) (Note 14) Io=1mA
VOLF1
-
-
0.5
V
Output Low Voltage (Note 11) (Note 15) Io=0.33mA
VOL1
-
-
0.5
V
Output High Voltage (Note 12) (Note 14) Io=-6mA
VOHF2
VDD-0.5
-
-
V
Output High Voltage (Note 12) (Note 15) Io=-2mA
VOH2
VDD-0.5
-
-
V
Output Low Voltage (Note 12) (Note 14) Io=6mA
VOLF2
-
-
0.5
V
Output Low Voltage (Note 12) (Note 15) Io=2mA
VOL2
-
-
0.5
V
Output Low Voltage (Note 13) Io=3mA
VOL3
-
-
0.5
V
Pull-up Current (Note 11) (Note 12) (Pull-up Setting)
IPU
5
-
200
uA
Pull-down Current (Note 11) (Note 12) (Pull-down Setting)
IPD
-200
-
-5
uA
Note 9. GPIO0~GPIO7, AD0, AD1, GPIOA~GPIOC, SCL, SDA
Note 10. Except for the RSTN pin. The RSTN pin has an internal pull-up device, normally 100kΩ.
Note 11. GPIO0~GPIO7
Note 12. IRQ0N~IRQ2N
Note 13. SDA
Note 14. Full Drive Operation
Note 15. 1/3 Drive Operation


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