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Analog Devices Semiconductor Electronic Components Datasheet

AD9083 Datasheet

Analog-to-Digital Converter

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Data Sheet
16-Channel, 125 MHz Bandwidth, JESD204B
Analog-to-Digital Converter
AD9083
FEATURES
1.0 V and 1.8 V supply operation
125 MHz usable analog input bandwidth
Sample rate up to 2 GSPS
Noise spectral density in 100 MHz bandwidth =
−145 dBFS/Hz, 2.0 GSPS encode
SNR = 66 dBFS in 100 MHz bandwidth, 2.0 GSPS encode
SNR = 82 dBFS in 15.625 MHz bandwidth, 2.0 GSPS encode
SFDR = 60 dBc in 100 MHz bandwidth, 2.0 GSPS encode
SFDR = 80 dBc in 15.625 MHz bandwidth, 2.0 GSPS encode
90 mW total power per channel at 2.0 GSPS (default settings)
Flexible input range: 0.5 V p-p to 2 V p-p differential
90 dB channel crosstalk, 2.0 GSPS encode
Digital processor
CIC decimation filter
Programmable DDC
Data gating
JESD204B Subclass 1 encoded outputs
Supports up to 16 Gbps/lane
Flexible sample data processing
Flexible JESD204B lane configurations
Large signal dither
Serial port control
APPLICATIONS
Millimeter wave imaging
Electronic beam forming and phased arrays
Multichannel wideband receivers
Electronic support measures
PRODUCT HIGHLIGHTS
1. Continuous time, Σ-Δ analog-to-digital converters (ADCs)
support signal bandwidths of up to 125 MHz with low
power and minimal filtering.
2. Integrated digital processing blocks reduce data payload
and lower overall system cost.
3. Configurable JESD204B interface reduces printed circuit
board (PCB) complexity.
4. Flexible power-down options.
5. SPI interface controls various product features and
functions to meet specific system requirements.
6. Small, 9 mm × 9 mm, 100-ball CSP_BGA package, simple
interface, and integrated digital processing save PCB space.
AVDD
(1V)
AVDD1P8
(1.8V)
FUNCTIONAL BLOCK DIAGRAM
DVDD DVDD1P8
(1V)
(1.8V)
AD9083
NCO0
NCO1
NCO2
VIN1+ TO
VIN16+
VIN1– TO
VIN16–
ADC
CIC DECIMATOR
MIXER
MIXER
MIXER
DECIMATE
BY J
GAIN
AVERAGING AND
DECIMATION FILTER
AVERAGING AND
DECIMATION FILTER
AVERAGING AND
DECIMATION FILTER
GAIN
GAIN
JESD204B
OUTPUTS
SERDOUT0±
SERDOUT1±
SERDOUT2±
SERDOUT3±
SYNCINB±
CLK±
SYSREF±
TRIG±
PLL,
JESD204B SUBCLASS1 CONTROL,
AND CLOCK DISTRIBUTION
AGND
DGND
PD/STBY
Figure 1.
16 CHANNELS
SPI AND CONTROL
REGISTERS
CSB
SCLK
SDIO
Rev. 0
Document Feedback
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. Specifications subject to change without notice.
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 owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2021 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com


Analog Devices Semiconductor Electronic Components Datasheet

AD9083 Datasheet

Analog-to-Digital Converter

No Preview Available !

AD9083
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ...................................................................................... 1
Product Highlights ........................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
General Description ......................................................................... 3
Specifications .................................................................................... 4
DC Specifications ......................................................................... 4
AC Specifications ......................................................................... 5
Digital Specifications ................................................................. 10
Switching Specifications ............................................................ 11
Timing Specifications ................................................................ 12
Absolute Maximum Ratings ......................................................... 13
Thermal Resistance .................................................................... 13
ESD Caution................................................................................ 13
Pin Configuration and Function Descriptions .......................... 14
Typical Performance Characteristics........................................... 17
Equivalent Circuits......................................................................... 25
Terminology.................................................................................... 27
Theory of Operation ...................................................................... 28
ADC Architecture ...................................................................... 28
Low-Pass, CTSD ADC Overview............................................. 29
Low-Pass Σ-Δ ADC.................................................................... 29
Analog Inputs ............................................................................. 30
Clock Inputs ................................................................................ 32
Power Modes .............................................................................. 33
Temperature Diode.................................................................... 33
Digital Signal Processing Overview ......................................... 33
Signal Processing Tile .................................................................... 35
Cascaded Integrator Comb (CIC) Filter ................................. 36
REVISION HISTORY
1/2021—Revision 0: Initial Version
Data Sheet
Nonburst Mode Datapath......................................................... 37
Burst Mode Datapath ................................................................ 41
Averaging Filters ........................................................................ 42
Mixers .......................................................................................... 43
NCO FTW Description ............................................................. 43
Digital Outputs ............................................................................... 45
JESD204B Overview .................................................................. 45
Functional Overview ................................................................. 46
JESD204B Link Establishment ................................................. 46
Physical Layer (Driver) Outputs .............................................. 48
Setting Up the AD9083 Digital Interface .................................... 49
JESD204B Transport Layer Settings ........................................ 49
Deterministic Latency ............................................................... 51
Multichip Synchronization....................................................... 51
Sampled SYSREF Mode ............................................................ 51
Serial Port Interface (SPI) ............................................................. 53
Configuration Using the SPI .................................................... 53
Hardware Interface .................................................................... 53
Programming Guide ...................................................................... 54
Programming Sequence ............................................................ 54
Memory Map .................................................................................. 60
Logic Levels ................................................................................. 60
Memory Map Register Details...................................................... 61
Applications Information ............................................................. 90
Evaluation Board Information ................................................. 90
Power Delivery Network........................................................... 90
Layout Guidelines ...................................................................... 90
Outline Dimensions ....................................................................... 93
Ordering Guide .............................................................................. 93
Rev. 0 | Page 2 of 93


Part Number AD9083
Description Analog-to-Digital Converter
Maker Analog Devices
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