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OP290GP Datasheet(PDF) 1 Page - Analog Devices |
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OP290GP Datasheet(HTML) 1 Page - Analog Devices |
1 / 12 page REV. B a OP290 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. 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: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved. Precision, Low Power, Micropower Dual Operational Amplifier PIN CONNECTIONS PDIP (P-Suffix) 8 7 6 5 1 2 3 4 OP290 A B V+ OUT B –IN B +IN B OUT A –IN A +IN A V– FEATURES Single-/Dual-Supply Operation, 1.6 V to 36 V, 0.8 V to 18 V True Single-Supply Operation; Input and Output Voltage Ranges Include Ground Low Supply Current (Per Amplifier), 20 A Max High Output Drive, 5 mA Min Low Input Offset Voltage, 200 V Max High Open-Loop Gain, 700 V/mV Min Outstanding PSRR, 5.6 V/V Max Industry Standard 8-Lead Dual Pinout Available in Die Form GENERAL DESCRIPTION The OP290 is a high performance micropower dual op amp that operates from a single supply of 1.6 V to 36 V or from dual supplies of ±0.8 V to ±18 V. Input voltage range includes the negative rail allowing the OP290 to accommodate input signals down to ground in single-supply operation. The OP290’s out- put swing also includes ground when operating from a single supply, enabling “zero-in, zero-out” operation. The OP290 draws less than 20 µA of quiescent supply current per amplifier, while able to deliver over 5 mA of output current to a load. Input offset voltage is below 200 µV eliminating the need for external nulling. Gain exceeds 700,000 and common-mode rejection is better than 100 dB. The power supply rejection ratio of under 5.6 µV/V minimizes offset voltage changes experienced in battery-powered systems. The low offset voltage and high gain offered by the OP290 bring precision performance to micropower applications. The minimal voltage and current requirements of the OP290 suit it for battery- and solar-powered applications, such as portable instruments, remote sensors, and satellites. For a single op amp, see the OP90; for a quad, see the OP490. +IN –IN NULL NULL OUTPUT V+ V ELECTRONICALLY ADJUSTED ON CHIP FOR MINIMUM OFFSET VOLTAGE Figure 1. Simplified Schematic (one of two amplifiers is shown) |
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