Smallest storage device to store analog data

Micropower, Single- and Dual-Supply, Rail-to-Rail Instrumentation Amplifier AD627 Rev. D Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2007 Analog Devices, Inc. All rights reserved. FEATURES

Micropower, 85 μA maximum supply current

Wide power supply range (+2.2 V to ±18 V)

Easy to use

Gain set with one external resistor

Gain range 5 (no resistor) to 1000

Higher performance than discrete designs

Rail-to-rail output swing

High accuracy dc performance

0.03% typical gain accuracy (G = +5) (AD627A)

10 ppm/°C typical gain drift (G = +5)

125 μV maximum input offset voltage (AD627B dual supply)

200 μV maximum input offset voltage (AD627A dual supply)

1 μV/°C maximum input offset voltage drift (AD627B)

3 μV/°C maximum input offset voltage drift (AD627A)

10 nA maximum input bias current

Noise: 38 nV/√Hz RTI noise @ 1 kHz (G = +100)

Excellent ac specifications

AD627A: 77 dB minimum CMRR (G = +5)

AD627B: 83 dB minimum CMRR (G = +5)

80 kHz bandwidth (G = +5)

135 μs settling time to 0.01% (G = +5, 5 V step)

APPLICATIONS

4 to 20 mA loop-powered applications

Low power medical instrumentation—ECG, EEG

Transducer interfacing

Thermocouple amplifiers

Industrial process controls

Low power data acquisition

Portable battery-powered instruments

FUNCTIONAL BLOCK DIAGRAM