Communications infrastructure, imaging equipment, industrial
instrumentation, defense electronics and other multi-channel,
data-hungry systems are demanding wider resolutions and higher
sampling rates from the data conversion stage. Physical layout
constraints of the parallel interface and bit-rate limitations of
the serial LVDS (low-voltage differential signaling) approach are
beginning to present technical barriers for designers.
To address this need, Analog Devices, Inc. (ADI:NASDAQ), a
global leader in high-performance semiconductors for
signal-processing applications and the leading provider of
data-conversion technology*, today introduced the AD9250
dual-channel, 14-bit, 250 MSPS, A/D converter featuring the JEDEC
JESD204B serial output data interface standard. The AD9250 A/D
converter is the first-to-market with full JESD204B Subclass 1
deterministic latency at 250 MSPS. This functionality accommodates
the precise synchronization of multiple data-conversion channels
through a serial interface.
- Download data sheet, order samples and
evaluation boards: http://www.analog.com/AD9250
- Learn more about ADI’s JESD204 serial
interface technology: www.analog.com/JESD204
- Watch the webcast “Demystifying the
JESD204B High-speed Data Converter-to-FPGA Interface:”
http://www.analog.com/en/content/WC_JESD204B/webcast.html
The AD9250 A/D converter’s serial interface implementation
provides up to 5 Gbps over a 1 or 2 lane-capable link. Two serial
lanes are used to support the full 250-MSPS, dual-A/D converter
data rate, or a single lane can be used to support reduced sampling
rates.
High-performance FPGA suppliers, such as Xilinx Inc., have
incorporated on-chip JESD204B SerDes (serializer/deserializer)
ports into their latest generation products. This end-to-end
seamless connectivity for the analog signal chain results in
simplified PCB layout, rapid prototyping capability, and faster
time-to-market.
“Xilinx is fully-committed to supporting the JEDEC JESD204B
standard and is striving to accelerate adoption of the serialized
interconnect technology for data converters. We are doing this by
providing a high quality flexible, scalable and programmable IP to
interface with high speed data converters like the AD9250,” said
Sunil Kar, Senior Director Wireless Business Group at Xilinx.
“Xilinx currently provides JEDEC JESD204B IP for subclass 0, 1 and
2 functionality with line rates up to 10.3 Gb/s and lane widths
ranging from x1 to x8 on our devices. This combination of
technology advancements improves system modularization, lowers cost
and complexity and will enhance the capabilities and capacities of
next generation wireless and wired networks.”
“This flagship product from Analog Devices signals a new,
tightly integrated approach to designing the analog signal chain in
FPGA-based systems,” said Kevin Kattmann, Product Line Director of
High-speed A/D Converters at Analog Devices. “The AD9250 dual
14-bit A/D converter delivers unmatched wideband signal processing
performance while its simplified interface breaks design barriers
for next-generation FPGA-based applications in software-defined
radio and medical ultrasound. For many system designers, the I/O
challenge in implementing the high-performance analog signal chain
now has an elegant solution.”
More About the AD9250 Dual-channel 14-bit, 250 MSPS, A/D
Converter
The AD9250 converter’s JESDB204 serial interface reduces the
number of high-speed differential output data paths required from
up to 28 to 2 per IC. Its Subclass 1 deterministic latency function
is repeatable from power-up cycle to power-up cycle and across link
re-synchronization events. Areas where this function is important
are in diversity radio systems and instrumentation, multi-mode
digital receiver applications such as TD-SCDMA, WCDMA, LTE
(especially the 2R2T >8R8T evolution), radar/defense
electronics, medical imaging systems, cable infrastructure, and
general-purpose software radios.
AD9250 Dual-channel 14-bit/ 250 MSPS A/D Converter Key
Features and Performance
- JESD204B coded serial digital output
with Subclass 1 deterministic latency
- SNR = 70.6 dBFS at 185 MHz AIN and 250
MSPS
- SFDR = 88 dBc at 185 MHz AIN and 250
MSPS
- IF sampling frequencies of up to 400
MHz
- 95 dB channel isolation/crosstalk
- Low power and small package size
Evaluation Kits
The AD9250-250EBZ (250 MSPS), AD9250-170EBZ (170 MSPS), and
AD6673-250EBZ DUT boards, and companion HSC-ADC-EVALDZ high-speed
data capture card, comprise a signal performance-optimized complete
evaluation system for the AD9250. The captured data can be analyzed
using a laptop computer and ADI’s free VisualAnalog™ software. For
compatibility with FPGA development platforms, the
CVT-ADC-FMC-INTPZB FMC interposer connector for the DUT boards is
available.
Availability, Pricing and Complementary Components
The AD9250 dual-channel 14-bit 250-MSPS A/D converter works well
with other Analog Devices components, including the AD8138,
ADA4937, and ADA4938-2 drivers for baseband differential analog
input configurations, and the AD9516-3 clock distribution IC with
ADCLK905 low-jitter clock buffer.
A 170 MSPS pin-compatible version (AD9250-170) is available, as
well as the AD6673, an 11-bit, 250 MSPS, pin-compatible
version.
Product Sample
Availability
Production delivery Price
Packaging
AD9250-250
Now Stock $131.57 (1 k
qty) 48-lead LFCSP
AD9250-170
Now Stock $72.49 (1 k
qty) 48-lead LFCSP
AD6673-250
Now Stock $74.80 (1 k
qty.) 48-lead LFCSP AD9250-250EBZ -
Stock $350.00 -
AD9250-170EBZ - Stock
$300.00 - AD6673-250EBZ -
Stock $300.00 -
HSC-ADC-EVALDZ
- Stock $750.00
-
CVT-ADC-FMC-INTPZB
- Stock $99.00
-
About Analog Devices
Innovation, performance, and excellence are the cultural pillars
on which Analog Devices has built one of the longest standing,
highest growth companies within the technology sector. Acknowledged
industry-wide as the world leader in data conversion and signal
conditioning technology, Analog Devices serves over 60,000
customers, representing virtually all types of electronic
equipment. Analog Devices is headquartered in Norwood,
Massachusetts, with design and manufacturing facilities throughout
the world. Analog Devices is included in the S&P 500 Index.
* Analog Devices, Inc. leads the worldwide data converter market
with a 48 percent share, according to industry analyst firm
Databeans, Inc. in its market research report titled “2011 Data
Converters.” Analog Devices’ 48 percent share is larger than the
combined market share of the nearest eight competitors.
Visit ADI’s Solutions for Xilinx FPGA’s page: http://www.analog.com/Xilinx
Get support at ADI’s EngineerZone™ online technical support
community:
http://ez.analog.com/community/data_converters/high-speed_adcs
Follow ADI on Twitter at http://www.twitter.com/ADI_News
To subscribe to Analog Dialogue, ADI’s monthly technical
journal, visit: http://www.analog.com/library/analogDialogue/
Photos/Multimedia Gallery Available:
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