Instrumentation Amplifier from Analog Devices Combines Power Efficiency, Zero-Drift Accuracy & Value for Portable Medical, In...
August 14 2012 - 8:00AM
Business Wire
Analog Devices, Inc. (ADI) introduced today the AD8237
micro-power, zero-drift precision instrumentation amplifier,
offering a power-efficient solution for precision signal and sensor
conditioning at a competitive price. The AD8237 features a low
input offset drift (< 0.3µV/ºC) and an industry leading input
signal range that extends 300 mV beyond the supply rails. Combined
with a maximum gain error and drift of 0.005% and 0.5 ppm/°C
respectively, and CMRR (common-mode rejection ratio) of 114 dB, the
device offers an unmatched level of precision measurement, even at
low gain. With a low quiescent supply current of just over 100 µA,
the amplifier is well suited for signal conditioning bridge,
temperature and other similar sensors used in low-power designs.
Target applications for the AD8237 include portable and
battery-powered healthcare, consumer and precision instrumentation
equipment such as infusion pumps, mobile blood pressure monitors,
4- to 20-mA sensors, gaming peripherals and consumer weigh
scales.
- Watch a video to learn more about
AD8237: http://www.analog.com/AD8237video
- Order samples and download data sheet:
http://www.analog.com/AD8237
- For additional support, connect with
engineers and ADI product experts on EngineerZone™, an online
technical support community:
http://ez.analog.com/community/amplifiers/instrumentation-amplifiers
- Find other featured products for
instrumentation and measurement applications:
http://instrumentation.analog.com/en/segment/im.html
The AD8237 operates off a single supply voltage of 1.8 V to 5.5
V and ships in a compact MSOP-8 package. The gain (1 to 1000) is
set by the ratio of two external resistors, which combined with
industry leading gain error performance, provides superior gain
accuracy over temperature.
AD8237 Micro-power, Zero-Drift Instrumentation Amplifier Key
Features:
- Gain Range: 1 to 1000
- CMRR: 114 dB
- DC Precision
- Input offset voltage: 75 µV
- Offset drift: 0.3 µV/°C
- Supply Current: 115 µA
- Supply Range: 1.8V to 5.5V
- Bandwidth (G=100): 10 kHz
- Gain Error: 0.005%
- Gain Drift: 0.5ppm/°C
- Input Voltage Noise: 1.5 uVp-p
Availability, Pricing and Complementary
Components
Product
SampleAvailability
TemperatureRange
Price Each Per1,000
Packaging
AD8237
Now -40˚C to 125˚C
$0.93 8-lead MSOP
The AD8237 operates well in a system with a variety of SAR A/D
converters such as the AD7988-1 ultralow power 16-bit SAR
converter.
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 technologies, 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.
http://www.analog.com
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