Industry’s First Octal Ultrasound Receiver with JESD204B Serial Interface Reduces Data I/O Routing & Simplifies Ultrasound ...
08 Outubro 2012 - 9:00AM
Business Wire
Analog Devices, Inc. (ADI), the leading provider of
data-conversion technology* and longtime collaborator with the
medical imaging industry, today introduced the industry’s first
octal ultrasound receiver to feature an on-chip JESD204B serial
interface. By incorporating the 5-Gbps JESD204B interface, ADI’s
new AD9671 octal receiver reduces ultrasound system I/O data
routing by as much as 80 percent compared to other data interface
standards. The resulting savings addresses the needs of
manufacturers designing small, high-performance ultrasound systems
by simplifying ultrasound equipment board design while better
meeting industry demand for higher data rates, larger channel
counts and greater image resolution.
The AD9671 receiver conditions eight channels of data from RF to
a baseband frequency, reducing the processing load on the system
FPGA (field-programmable gate array) by at least 50 percent
compared to other receivers. The AD9671 integrates a low-noise
amplifier, variable gain amplifier, anti-aliasing filter, and a
14-bit A/D converter with the industry’s highest sample rate (125
MSPS) and SNR (signal-to-noise ratio) performance (75 dB) for
enhanced ultrasound image quality. The new octal receiver is the
latest addition to Analog Devices’ award winning ultrasound
receiver portfolio and is designed for mid- to high-end portable
and cart-based ultrasound systems.
- Download data sheet and view product
page: http://www.analog.com/AD9671
- Order samples:
http://www.analog.com/AD9671
- To learn more about ultrasound and
medical imaging applications visit:
http://healthcare.analog.com/en/imaging/segment/health.html
“By introducing the first octal ultrasound receiver with a
multi-gigabit, serial data link, we are enabling ultrasound
equipment designers to shrink the number of interconnects between
their data converters and FPGAs,” said Pat O’Doherty, vice
president, Healthcare segment, Analog Devices. “By incorporating
the JESD204B serial interface, the AD9671 receiver not only
simplifies PCB design and debug, it allows manufacturers to
continue lowering design costs and reducing system size while
maintaining excellent overall system performance.”
AD9671 Octal Ultrasound Receiver with Digital I/Q
Demodulation
As with ADI’s recently released AD9670 octal ultrasound
receiver, the AD9671 integrates a digital I/Q demodulator,
programmable-oscillator and 16-tap FIR (finite-impulse response)
decimation filter to reduce FPGA data bandwidth requirements, while
additionally combining multiple channels into a single CML
(current-mode logic) data lane. The AD9671 provides a continuous
wave (CW) processing path with an analog I/Q demodulator that has
harmonic rejection to the 13th order, which allows designers to
reduce the number of filter components to lower system cost, reduce
design complexity and improve signal sensitivity. The CW-mode
output dynamic range is more than 160 dBc/ √Hz per channel.
AD9671 Octal Ultrasound Receiver Key Features
- 5-Gbps serial JESD204B CML
interface
- Digital I/Q demodulator with
programmable oscillator
- FIR decimation filter
- 16 taps per decimation factor
- Maximum decimation of 32
- 14-bit, 125-MSPS A/D converter
- 8-channel LNA, VGA, AAF, ADC
- Low power:
- 130-mW/channel @ 40 MSPS in TGC (time
gain compensation) mode
- 55 mW/channel in CW mode
- Noise: 0.78 nV/√Hz typical at 5 MHz
(gain = 21.3 dB)
- Harmonic rejection to 13th order on
CW-Doppler signals
Availability, Pricing and Complementary Components
The AD9671 octal receiver with integrated digital demodulation
and decimation filtering is pin-similar to ADI’s AD9670 octal
receivers, allowing designers to migrate cart-based and portable
ultrasound equipment designs using a common PCB board layout.
Product
SampleAvailability
Full Production
Price eachper 1k units
Packaging
AD9671
October 2012 December
2012 $75.00
144-ball 10 mm x 10 mmBGA
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.
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/
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