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REV. A
–2–
AD9020–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
T est
Level
AD9020JE /JZ
T yp
AD9020KE /KZ
Min
T yp
Parameter (Conditions)
T emp
Min
Max
Max
Units
RESOLUT ION
DC ACCURACY
3
Differential Nonlinearity
10
10
Bits
+25
°
C
Full
+25
°
C
Full
Full
I
VI
I
VI
VI
1.0
1.25
1.5
2.0
2.5
0.75
1.0
1.25
1.5
2.0
LSB
LSB
LSB
LSB
Integral Nonlinearity
1.25
1.0
No Missing Codes
ANALOG INPUT
Input Bias Current
4
Guaranteed
+25
°
C
Full
+25
°
C
+25
°
C
+25
°
C
I
VI
I
V
V
0.4
1.0
2.0
0.4
1.0
2.0
mA
mA
k
pF
MHz
Input Resistance
Input Capacitance
4
Analog Bandwidth
REFERENCE INPUT
Reference Ladder Resistance
2.0
7.0
45
175
2.0
7.0
45
175
+25
°
C
Full
Full
I
VI
V
22
14
37
56
66
22
14
37
56
66
/
°
C
Ladder T empco
Reference Ladder Offset
T op of Ladder
0.1
0.1
+25
°
C
Full
+25
°
C
Full
Full
I
VI
I
VI
V
45
90
90
90
90
45
90
90
90
90
mV
mV
mV
mV
μ
V/
°
C
Bottom of Ladder
45
45
Offset Drift Coefficient
SWIT CHING PERFORMANCE
Conversion Rate
Aperture Delay (t
A
)
Aperture Uncertainty (Jitter)
Output Delay (t
OD
)
5
Output T ime Skew
5
DYNAMIC PERFORMANCE
T ransient Response
Overvoltage Recovery T ime
Effective Number of Bits (ENOB)
f
IN
= 2.3 MHz
f
IN
= 10.3 MHz
f
IN
= 15.3 MHz
Signal-to-Noise Ratio
6
f
IN
= 2.3 MHz
f
IN
= 10.3 MHz
f
IN
= 15.3 MHz
Signal-to-Noise Ratio
6
(Without Harmonics)
f
IN
= 2.3 MHz
f
IN
= 10.3 MHz
f
IN
= 15.3 MHz
50
50
+25
°
C
+25
°
C
+25
°
C
+25
°
C
+25
°
C
I
V
V
I
I
60
60
MSPS
ns
ps, rms
ns
ns
1
5
10
3
1
5
10
3
6
13
5
6
13
5
+25
°
C
+25
°
C
V
V
10
10
10
10
ns
ns
+25
°
C
+25
°
C
+25
°
C
I
IV
IV
8.6
8.0
7.5
9.0
8.4
8.0
8.6
8.0
7.5
9.0
8.4
8.0
Bits
Bits
Bits
+25
°
C
+25
°
C
+25
°
C
I
I
I
54
50
47
56
53
50
54
50
47
56
53
50
dB
dB
dB
+25
°
C
+25
°
C
+25
°
C
I
I
I
54
51
48
56
54
52
54
51
48
56
54
52
dB
dB
dB
(
6
V
S
=
6
5 V;
6
V
SENSE
=
6
1.75 V; ENCODE = 40 MSPS unless otherwse noted)
ABSOLUT E MAX IMUM RAT INGS
1
+V
S
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6 V
–V
S
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –6 V
ANALOG IN . . . . . . . . . . . . . . . . . . . . . . . . . . . –2 V to +2 V
+V
REF
, –V
REF
, 3/4
REF
, 1/2
REF
, 1/4
REF
. . . . . . . . . . –2 V to +2 V
+V
REF
to –V
REF
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.0 V
DIGIT AL INPUT S . . . . . . . . . . . . . . . . . . . . . . .–0.5 V to +V
S
3/4
REF
, 1/2
REF
, 1/4
REF
Current . . . . . . . . . . . . . . . . . . .
±
10 mA
Digital Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
Operating T emperature
AD9020JE/K E/JZ/K Z . . . . . . . . . . . . . . . . . . 0
°
C to +70
°
C
Storage T emperature . . . . . . . . . . . . . . . . . . .–65
°
C to +150
°
C
Maximum Junction T emperature
2
. . . . . . . . . . . . . . . . +175
°
C
Lead Soldering T emp (10 sec) . . . . . . . . . . . . . . . . . . . +300
°
C