AK5483 Datasheet, PDF (8/14 Pages) Asahi Kasei Microsystems – 10Bit 20MHz 3CH A/D Converter

ASAHI KASEI
[AK5483]
2)Power Supply
(Ta=25 deg ;AVDD=DVDD=3.3V; VTP=2.53V,VBT=1.43V )
Parameter
Analog Operating
Current
(@CEN=LOW)
Symbol Condition
min
typ
IA+
Fin=1MHz
@Fs=15MHz(#3)
45
@Fs=20MHz
55
Digital Output Driver
ID+
Fin=1MHz (#1)
Operating Current
@Fs=15MHz(#3)
10
(@CEN=LOW)
@Fs=20MHz
15
max Units
60
mA
70
mA
15
mA
21
mA
Stand-by Current
(@CEN=HIGH)
IAS
Analog (#2)
IDS
Digital
0.1
mA
0.1
mA
(#1)Capacitor Loads [CL=10pF] are attached to all digital output pins[D0..D9].
Analog Input Signal 1MHz Sine Wave.
(#2)The Stand-by Current is measured under
*No Analog Input
*CKI= Low fixed
(#3)15MHz mode is selected by SEL=Low.
3)Timing Specifications
(AVDD,DVDD=3.0V....3.6 V, AVSS,DVSS=0V, Ta=TAMIN.....TAMAX deg,CL<10pF)
Parameters
Conversion Speed
Clock Cycle
Clock Rise Time
Clock Fall Time
Clock Duty Cycle
Clock Low Period
Clock High Period
Pipeline Delay
Sampling Delay
Data Output Delay
Symbo
l
Conditon
min
typ
Fc
15MHz mode
0.5
20MHz mode
0.5
tcy
15MHz mode
66
20MHz mode
50
tr
[30%->70%]VDD
tf
[70%->30%]VDD
DUTY
(#1)
50
tL
15MHz mode
31
20MHz mode
23
tH
15MHz mode
31
20MHz mode
23
tpd
6
tap
3
tdl1
2
tdl2
max Units
15
MHz
20
MHz
ns
ns
2
ns
2
ns
%
ns
ns
ns
ns
CLKIN
ns
ns
35
ns
(#1)Acceptable DUTY should be calculated from clock HIGH/LOW period
and operating Frequency(Fc).
M0035-E-01
-8-
1999/03