AK4160 AKM [Asahi Kasei Microsystems], AK4160 Datasheet - Page 6

• Manufacturer Part Number: AK4160
• Description: 16-channel Capacitive Touch Sensor IC
• Manufacturer: AKM [Asahi Kasei Microsystems]

(Ta = -40°C ~ 85°C, VDD = 1.8V; unless otherwise specified)
Parameter
A/D Converter
Resolution
Touch Sensor
Charge Current Variation Against Nominal Value
Power Supply Current
Measurement Current (All function in active)
Idle Current
Average Supply Current
Shutdown Current NCH=0 (Shutdown Mode)
Note 8. Sense terminal voltage condition: The AD conversion value should be less or equal to VDD-0.2[V].
(Ta = -40°C ~ 85°C, VDD = 1.71V ~ 3.6V; unless otherwise specified)
Parameter
Input Leakage Current
Input High Voltage
Input Low Voltage
Output High Voltage
Output High Voltage
Output Low Voltage
Output Low Voltage
Output High Voltage
Output High Voltage
Output Low Voltage
Output Low Voltage
Output Low Voltage
Pull-up Current
Pull-down Current
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
MS1313-E-01
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
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.
(Note
(Note
(Note
(Note
(Note
(Note
(Note
(Note
(Note
(Note
(Note
11)
(Note
11)
(Note
11)
11)
12)
12)
13) Io=3mA
11)
11)
12)
12)
9)
(Note
(Note
(Note
(Note
(Note
(Note
(Note
(Note
(Note
(Note
12) (Pull-up Setting)
12) (Pull-down Setting)
14) Io=1mA
15) Io=0.33mA
14) Io=6mA
15) Io=2mA
DC CHARACTERISTICS (Logic I/O)
14) Io=-10mA
15) Io=-3.3mA
14) Io=-6mA
15) Io=-2mA
10)
ANALOG CHARACTERISTICS
(Note
8)
- 6 -
Symbol
IMEAS
Symbol
VOHF1
VOHF2
VOLF1
VOLF2
ISHUT
RESO
IIDLE
VOH1
VOL1
VOH2
VOL2
VOL3
ICHG
IILH
IDD
VIH
VIL
IPU
IPD
0.7xVDD
VDD-0.5
VDD-0.5
VDD-0.5
VDD-0.5
-200
min
min
-1.0
-5
5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
typ
typ
0.8
3.4
10
54
29
16
3
9
6
5
4
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.3xVDD
max
max
200
1.0
0.5
0.5
0.5
0.5
0.5
11
-5
5
1
9
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4160]
2011/11
Unit
Unit
Bits
mA
uA
uA
uA
uA
uA
uA
uA
uA
uA
uA
uA
uA
uA
%
V
V
V
V
V
V
V
V
V
V
V