ak4182a AKM Semiconductor, Inc., ak4182a Datasheet - Page 6

• Manufacturer Part Number: ak4182a
• Description: Touch Screen Controller
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
(Ta = -40°C to 85°C, IOVDD = 1.5V 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
(Ta = -40°C to 85°C, VCC = 2.2V to 3.6V, IOVDD = 1.5V to VCC, CL = 50pF)
Parameter
Touch Panel (A/D Converter)
Throughput Rate
DCLK
Tracking Time (Rin=600Ω)
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 Hi-Z state
CSN “↑” to DOUT Hi-Z state
Note 5. The actual tracking periods are 3tDCLK. (tDCLK=1/fDCLK)
MS0482-E-01
frequency
duty
DOUT
BUSY
DCLK
CSN
DIN
All pins except for XP, YP, XN, YN pins
t1
t3
t2
(@ Iout = -250μA)
(@ Iout= 250μA)
(Note
XP, YP, XN, YN pins
5)
t7
DC CHARACTERISTICS (Logic I/O)
SWITCHING CHARACTERISTICS
t4
t8
Figure 1 AK4182A Timing Diagram
t5
Symbol
tCONV
fDCLK
tTRK
duty
t10
t11
t12
fs
t1
t2
t3
t4
t5
t6
t7
t8
t9
Symbol
IOLK
VOH
IILK
VOL
VIH
PD0
VIL
6
t6
0.8xIOVDD
IOVDD-0.4
1.428
min
min
100
190
190
100
-10
-10
-10
10
40
10
t6
0
-
D11
t9
typ
typ
D10
50
-
-
-
-
0.2xIOVDD
2100
max
max
125
200
200
160
160
200
200
0.4
10
10
10
60
12
D0
[AK4182A]
2006/12
t10
t11
1/fDCLK
Units
Units
kHz
kHz
μA
μA
μA
μs
t12
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
V
50%VCC
VOL
50%VCC
50%VCC
VOH
VOH
VOL