Analog Devices’ 24-bit Sigma-Delta A/D Converter Achieves Twice the Speed of Competing Converters & Industry’s Best Noise...
04 Dicembre 2012 - 6:01AM
Business Wire
Analog Devices, Inc. (ADI), a global leader in high-performance
signal processing technology and the data converter market share
leader*, today introduced a multiplexed 24-bit sigma-delta A/D
converter that doubles the throughput rate of alternative
sigma-delta converters while dissipating less power. Designed for
process automation and instrumentation systems where data channel
density is increasing and channels must be monitored faster, ADI’s
new AD7176-2 A/D converter achieves a 50 kSPS (thousand samples per
second) multi-channel scan rate. In an automated, high-precision
production line, the performance of the AD7176-2 allows for faster
manufacturing while achieving the precision, low-input bandwidth
signal measurements that are inherently associated with the
sigma-delta architecture. Measured on a single channel, the
AD7176-2 delivers as many as 17.2 noise-free bits at 250 kSPS and
22 noise-free bits at 5 SPS.
- Download data sheet, view product page,
access ADI’s Circuits from the Lab™ reference circuits and request
samples: http://www.analog.com/AD7176-2
- Learn more about designing with the
sigma-delta converter architecture through this interactive
tutorial:
http://designtools.analog.com/dt/sdtutorial/sdtutorial.html
- Get support at ADI’s EngineerZone™, an
online technical support community:
http://ez.analog.com/community/data_converters/precision_adcs
The AD7176-2 A/D converter includes high-precision, on-chip
peripherals, including a 2.5 V, ±2.5 ppm/°C reference and ±2.5%
internal oscillator that reduce board space and lower bill of
materials costs while maintaining high performance. The new
converter features flexible on-chip digital filters, which optimize
settling, resolution and line frequency rejection. The new
converter also can be configured on a per-channel basis allowing
for different filter and output data rates as well as per-channel
offset and gain error correction.
AD7176-2 24-bit Sigma-Delta A/D Converter Key
Features:
- 5 SPS to 250 kSPS output rate for fast
and flexible updates
- 17.2 noise free bits at 250 kSPS for
more accurate measurements
- Up to 90 dB 50 Hz and 60 Hz line
frequency rejection using enhanced 50 Hz and 60 Hz rejection
filters
- 7.8 mA total current consumption
Pricing, Availability and Complementary
Products
Product
SampleAvailability
ChannelConfiguration
Reference
Price Each
In1,000Quantities
Package
AD7176-2
Yes
4 pseudo/2 fulldifferential
2.5 V± 2 ppm/°C
$10.25
24-leadTSSOP
The AD7176-2 can be designed into circuits together with ADI’s
single-supply, low-noise, low-offset AD8656 CMOS amplifier and
single supply, attenuating input stage, AD8475 differential
driver.
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
Subscribe to Analog Dialogue, ADI’s monthly technical journal,
at: http://www.analog.com/library/analogDialogue/
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