AK5434D Datasheet, PDF (6/13 Pages) Asahi Kasei Microsystems – Dual channel 14bit 30MHz A/D Converter with differential input

ASAHI KASEI
„ Switching Characteristics
Parameter
Conversion rate
Clock cycle
Clock rise time
Note 1
Clock fall time
Note 1
Clock High width
Clock Low width
Clock duty
Pipeline delay
Note 2
Aperture delay
Note 2
AD output delay
CHSEL setup
CHSEL hold
Start up time 1
Start up time 2
Symbol
fs
tcy
tr
tf
tH
tL
tduty
tpd
tap
tdl
tset
thold
tst1
tst2
[AK5434D]
(AVDD=DVDD=3.0~3.45V, Ta=−40~105°C, CL=10pF)
Conditions
min.
typ.
max. Unit
15
30
MHz
33.3
66.7
ns
0.3AVDD
2
15
ns
to 0.7AVDD
0.7AVDD
2
15
ns
to 0.3AVDD
15
ns
15
ns
40
50
60
%
8
CLKI
2
4
ns
0
6
20
ns
10
ns
10
ns
2
5
ms
2
5
ms
Note 1) Clock high width and Low width must be fulfilled.
Note 2) Design Value
tap
AI1P/N
N+1
N+8
AI2P/N
N
CLKI
D13~D0
CHSEL
tr
tH tf tL
tcy
N-8
tset
thold
0.7DVDD
0.3DVDD
0.7AVDD
0.3AVDD
tdl
0.8DVDD
N
0.2DVDD
MS1515-E-00
-6-
2013/02