AD9020JE Analog Devices, AD9020JE Datasheet

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AD9020JE

Manufacturer Part Number
AD9020JE
Description
10-Bit 60 MSPS A/D Converter
Manufacturer
Analog Devices
Datasheet

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a
GENERAL DESCRIPTION
The AD9020 A/D converter is a 10-bit monolithic converter
capable of word rates of 60 MSPS and above. Innovative archi-
tecture using 512 input comparators instead of the traditional
1024 required by other flash converters reduces input capaci-
tance and improves linearity.
Encode and outputs are TTL-compatible, making the AD9020
an ideal candidate for use in low power systems. An overflow
bit is provided to indicate analog input signals greater than
+V
Voltage sense lines are provided to insure accurate driving of the
resistor ladder help optimize the integral linearity of the unit.
Either 68-pin ceramic leaded (gull wing) packages or ceramic
LCCs are available and are specifically designed for low thermal
impedances. Two performance grades for temperatures of both
0 C to +70 C and –55 C to +125 C ranges are offered to allow
the user to select the linearity best suited for each application.
Dynamic performance is fully characterized and production
tested at +25 C. MIL-STD-883 units are available.
The AD9020 A/D Converter is available in versions compliant
with MIL-STD-883. Refer to the Analog Devices Military Prod-
ucts Databook or current AD9020/883B data sheet for detailed
specifications.
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
V
FEATURES
Monolithic 10-Bit/60 MSPS Converter
TTL Outputs
Bipolar ( 1.75 V) Analog Input
56 dB SNR @ 2.3 MHz Input
Low (45 pF) Input Capacitance
MIL-STD-883 Compliant Versions Available
APPLICATIONS
Digital Oscilloscopes
Medical Imaging
Professional Video
Radar Warning/Guidance Systems
Infrared Systems
SENSE
REF
voltages applied to the units. Quarter-point taps on the
.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A
.Tel: 617/329-4700
Fax: 617/326-8703
ANALOG IN
ENCODE
+V
–V
+V
3/4
1/2
1/4
–V
SENSE
SENSE
REF
REF
REF
REF
REF
12
11
63
57
14
56
8
9
1
7
R/2
R/2
R/2
R/2
R/2
R/2
R/2
FUNCTIONAL BLOCK DIAGRAM
R
R
R
R
R
R
R
R
R/2
384
128
512
385
257
256
129
World Wide Web Site: http://www.analog.com
2
1
OVERFLOW
C
O
M
P
A
R
A
T
O
R
L
A
T
C
H
E
S
OVERFLOW
10-Bit 60 MSPS
1024
A/D Converter
–V
© Analog Devices, Inc., 1997
S
D
E
C
O
D
E
L
O
G
C
I
+V
OVERFLOW
S
AD9020
10
INVERT
GROUND
MSB
61
L
A
T
C
H
LSBS
INVERT
59
49
48
47
46
23
51
50
22
21
20
19
OVERFLOW
D
D
D
D
D
D
D
D
D
D
9
8
7
6
5
4
3
2
1
0
(MSB)
(LSB)

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