Product News: Electronic Components & Devices
Instrumentation Amplifier delivers zero-drift accuracy.
Press Release Summary:
August 20, 2012 - Intended for signal and sensor conditioning, AD8237 comes in 8-lead MSOP and is rated for -40 to +125Â°C operation. Input offset drift is less than 0.3 ÂµV/ÂºC, and input signal range extends 300 mV beyond supply rails. Measurement precision is bolstered by 0.005% max gain error, 0.5 ppm/Â°C drift, and 114 dB CMRR, while quiescent supply current just over 100 ÂµA lends to energy efficiency. Operation is via one 1.8-5.5 V supply, and gain (1-1,000) is set by ratio of 2 external resistors.
Original Press Release
Instrumentation Amplifier from Analog Devices Combines Power Efficiency, Zero-Drift Accuracy and Value for Portable Medical, Instrumentation and Consumer Devices
Press release date: August 14, 2012
· Watch a video to learn more about AD8237: www.analog.com/AD8237video · Order samples and download data sheet: www.analog.com/AD8237 · For additional support, connect with engineers and ADI product experts on EngineerZone(TM), an online technical support community: 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 Sample Temperature Price Each Per Packaging Availability Range 1,000 AD8237 Now -40°C to 125°C $0.93 8-lead MSOPThe 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.
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