ak4180 AKM Semiconductor, Inc., ak4180 Datasheet - Page 6

• Manufacturer Part Number: ak4180
• Description: Touch Screen Controller
• Manufacturer: AKM Semiconductor, Inc.

[ASAHI KASEI]
Ta=-20 to 70 C,VCC=2.7V to 3.6V
Parameter
“H” level input voltage
“L” level input voltage
Input Leakage Current
“H” level output voltage
“L” level output voltage
Tri-state Leakage Current
PENIRQN “L” level output voltage (100K Pull-Up)
Ta=-20 C to 70 C, VCC=2.7V to 3.6V
Parameter
Touch Panel (A/D Converter)
Throughput Rate
DCLK
Tracking Time (Rin=600 )
Conversion Time
CSN “ ” to First DCLK “ ”
CSN “ ” to BUSY Tri-State Disabled
CSN “ ” to DOUT Tri-State Disabled
DCLK High Pulse Width
DCLK Low Pulse Width
DCLK “ ” to BUSY “ ”
Data Setup Time
Data Valid to DCLK Hold Time
Data Access Time after DCLK “ ”
CSN “ ” to DCLK Ignored
CSN “ ” to BUSY High-Z state
CSN “ ” to DOUT High-Z state
<MS0195-E-01>
frequency
duty
DOU T
DCLK
BUSY
CSN
DIN
All pins except for XP, YP, XN, YN pins
t1
t3
t2
(@ Iout = -250uA)
(@ Iout= 250uA)
XP, YP, XN, YN pins
t7
t4
t8
DC Characteristics (Logic I/O)
t5
AK4180 Timing Diagram
Switching Characteristics
Symbol
tCONV
fDCLK
tTRK
duty
t10
t11
t12
t1
t2
t3
t4
t5
t6
t7
t8
t9
Symbol
VOLP
IOLK
VOH
IILK
VOL
VIH
VIL
P0
6
t6
0.8xVCC
VCC-0.4
min
min
100
200
200
100
-10
-10
-50
1.5
10
40
10
t6
0
-
D11
t9
Typ
Typ
50
D10
-
-
-
-
0.2xVCC
2000
max
max
125
200
200
200
200
200
200
0.4
0.8
10
10
50
60
12
D0
2003/02
[AK4180]
t10
t11
1/fDCLK
Units
Units
kHz
kHz
uA
uA
uA
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
t12
V
V
V
V
V