AD9060JZ Analog Devices Inc, AD9060JZ Datasheet

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AD9060JZ

Manufacturer Part Number
AD9060JZ
Description
IC ADC 10BIT 75MSPS 68-CLCC
Manufacturer
Analog Devices Inc
Datasheet

Specifications of AD9060JZ

Number Of Bits
10
Sampling Rate (per Second)
75M
Data Interface
Parallel
Number Of Converters
1
Power Dissipation (max)
3.5W
Voltage Supply Source
Dual ±
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
68-CLCC

Available stocks

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247
a
GENERAL DESCRIPTION
The AD9060 A/D converter is a 10-bit monolithic converter
capable of word rates of 75 MSPS and above. Innovative
architecture using 512 input comparators instead of the tradi-
tional 1024 required by other flash converters reduces input
capacitance and improves linearity.
Inputs and outputs are ECL compatible, which makes the
AD9060 the recommended choice for systems with conversion
rates >30 MSPS to minimize system noise. An overflow bit is
provided to indicate analog input signals greater than +V
Voltage sense lines are provided to ensure accurate driving of
the ± V
the resistor ladder help optimize the integral linearity of the unit.
The AD9060 is available in a 68-lead ceramic leaded (gull wing)
chip carrier package specifically designed for low thermal imped-
ances. 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.
REV. B
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 that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
FEATURES
Monolithic 10-Bit/75 MSPS Converter
ECL Outputs
Bipolar ( 1.75 V) Analog Input
57 dB SNR @ 2.3 MHz Input
Low (45 pF) Input Capacitance
APPLICATIONS
Digital Oscilloscopes
Medical Imaging
Professional Video
Radar Warning/Guidance Systems
Infrared Systems
REF
voltages applied to the units. Quarter point taps on
SENSE
.
ENCODE
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
ENCODE
+V
–V
3/4
1/2
1/4
+V
–V
SENSE
SENSE
REF
REF
REF
REF
REF
A
IN
56
63
57
R/2
R/2
R/2
R/2
R/2
R/2
R/2
R/2
R
R
R
R
R
R
R
R
FUNCTIONAL BLOCK DIAGRAM
385
384
129
128
512
257
256
2
1
OVERFLOW
© 2003 Analog Devices, Inc. All rights reserved.
O
M
O
C
P
A
R
A
T
R
L
A
T
C
H
E
S
OVERFLOW
1024
–V
10-Bit 75 MSPS
S
AD9060
A/D Converter
D
C
O
D
O
G
C
E
E
L
I
OVERFLOW
+V
S
10
INVERT
AD9060
MSB
GND
61 59
www.analog.com
L
A
T
C
H
LSBs
INVERT
51
50
49
48
47
46
23
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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AD9060JZ Summary of contents

Page 1

FEATURES Monolithic 10-Bit/75 MSPS Converter ECL Outputs Bipolar ( 1.75 V) Analog Input 57 dB SNR @ 2.3 MHz Input Low (45 pF) Input Capacitance APPLICATIONS Digital Oscilloscopes Medical Imaging Professional Video Radar Warning/Guidance Systems Infrared Systems GENERAL DESCRIPTION ...

Page 2

... MHz 25° Signal-to-Noise Ratio f = 2.3 MHz 25° 10.3 MHz 25° 29.3 MHz 25° –V = –5 1.75 V; ENCODE = 60 MSPS, unless otherwise noted SENSE Test AD9060JZ Level Min Typ Max 10 I 1.0 1.25 VI 1.5 I 1.25 2 0.4 1.0 VI 2.0 I 2.0 7.0 V ...

Page 3

... Intermodulation measured with analog input frequencies of 2.3 MHz and 3.0 MHz below full scale. 6 Measured as the ratio of the worst-case change in transition voltage of a single comparator for a 5% change Specifications subject to change without notice. REV. B Test AD9060JZ Level Min Typ Max I 54 ...

Page 4

... Current . . . . . . . . . . . . . . . . . . . ± REF REF REF Digital Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA Operating Temperature AD9060JZ/AD9060KZ . . . . . . . . . . . . . . . . . . . . 0°C to 70°C Storage Temperature . . . . . . . . . . . . . . . . . . –65°C to +150°C 2 Maximum Junction Temperature . . . . . . . . . . . . . . . . . 150°C Lead Soldering Temp (10 sec 300°C NOTES 1 Absolute maximum ratings are limiting values to be applied individually and beyond which the serviceability of the circuit may be impaired ...

Page 5

SENSE +V REF ENCODE ENCODE +V –V GND GND (LSB) D GND Pin No. Mnemonic 1 1/2 2, 16, 28, 29, 35, 41, 42, 54, 64 – 15, 30, 33, 34, 37, 40 ...

Page 6

AD9060 THEORY OF OPERATION Refer to the Functional Block Diagram. As shown, the AD9060 uses a modified “flash,” or parallel, A/D architecture. The ana- log input range is determined by an external voltage reference (+V and –V ), nominally ± ...

Page 7

S –F S ENCODE Figure 1. Imaging Application Using AD9060 The actual resolution of the converter is limited by the thermal and quantization noise of the ADC. The low frequency test for SNR or ENOB is a good measure ...

Page 8

AD9060 0.4 0.6 0.8 1.0 1.2 1.4 V – V SENSE Figure 3. SNR and ENOB vs. Reference Voltage Performance of the AD9060 has been optimized with an analog input voltage of ± 1.75 ...

Page 9

GND DIGITAL BITS AND OVERFLOW Figure 6. Equivalent Digital Outputs ENCODE –V S Figure 7. ENCODE and ENCODE Equivalent Circuits Timing In the AD9060, the rising edge of the ENCODE signal triggers the A/D conversion by latching the comparators (see ...

Page 10

AD9060 62 ENCODE RATE = 60MSPS –55 C, +125 INPUT FREQUENCY – MHz Figure 9. SNR and ENOB vs. Input Frequency 62 56 ANALOG INPUT ...

Page 11

AD9060/PCB EVALUATION BOARD The AD9060/PCB Evaluation Board is available from the factory and is shown here in block diagram form. The board includes a reference circuit that allows the user to adjust both references and the quarter-point voltages. The AD9617 ...

Page 12

AD9060 0.130 (3.30) 0.040 (1.02) MIN SEATING PLANE 0.058 (1.47) 0.050 (1.27) 0.042 (1.07) 0.020 (0.51) 0.018 (0.46) 0.016 (0.41) 0.025 (0.625) MIN CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETER DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FOR REFERENCE ONLY AND ...

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