AK4185 AKM [Asahi Kasei Microsystems], AK4185 Datasheet - Page 6

• Manufacturer Part Number: AK4185
• Manufacturer: AKM [Asahi Kasei Microsystems]

DOUT
SCLK
(Ta=-40°C to 85°C, VDD=1.6V to 3.6V, CL=50pF)
Parameter
Internal OSCILLATOR
Clock Frequency
Touch Panel (A/D Converter)
Throughput Rate
SCLK
Sampling Time (Rin = 600Ω)
Conversion Time
CSN edge to First SCLK “↑”
CSN edge to DOUT Tri-State Disabled
SCLK High Pulse Width
SCLK Low Pulse Width
Data Setup Time
Data Valid to SCLK Hold Time
Data Output Delay after SCLK “↓”
CSN “↑” to SCLK Ignored
CSN “↑” to DOUT Hi-Z state
CSN Hold Time
Note 8. The actual tracking periods are 3tSCLK. (tSCLK = 1/f
MS0954-E-00
CSN
DIN
frequency
duty
tCSS
tDCD
(Note
tDS
tCKH
tDH
8)
tCKL
SWITCHING CHARACTERISTICS
Figure 2. Timing Diagram
Symbol
tCONV
tDOD
tCSW
tDCD
tCKH
tTRK
tCKL
tCCZ
PD0
f
tCSS
duty
tCSI
tDH
tDS
f
SCLK
OSC
fs
- 6 -
SCLK
)
min
150
D11
2.5
0.6
30
40
50
80
80
40
40
50
-
-
-
-
-
tDOD
D10
300
typ
3.6
50
-
-
-
-
-
-
-
-
-
-
-
-
-
5000
max
5.1
60
12
50
70
90
D0
-
-
-
-
-
-
-
-
-
tCSI
tCSW
tCCZ
[AK4185]
1/fSCLK
2008/05
Units
MHz
KHz
kHz
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
50%VDD
50%VDD
VOH
VOL
50%VDD