Details, datasheet, quote on part number: OP290A
PartOP290A
CategoryAnalog & Mixed-Signal Processing => Amplifiers => Operational Amplifiers
TitleDual
DescriptionDual Precision, Low Power, Micropower Dual Operational Amplifier
CompanyAnalog Devices
DatasheetDownload OP290A datasheet
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Features, Applications

Precision, Low Power, Micropower Dual Operational Amplifier OP290

FEATURES Single-/Dual-Supply Operation, 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 is a high performance micropower dual op amp that operates from a single supply V or from dual supplies 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 output swing also includes ground when operating from a single supply, enabling "zero-in, zero-out" operation. The OP290 draws less than A of quiescent supply current per amplifier, while able to deliver over mA of output current to a load. Input offset voltage is below 200 V 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 pV/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.

V ELECTRONICALLY ADJUSTED ON CHIP FOR MINIMUM OFFSET VOLTAGE
Figure 1. Simplified Schematic (one of two amplifiers is shown)

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. 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 Analog Devices, Inc., 2002

Parameter Symbol Conditions INPUT OFFSET VOLTAGE VOS INPUT OFFSET CURRENT IOS INPUT BIAS CURRENT IB LARGE-SIGNAL VOLTAGE GAIN AVO VCM 0 V VCM = 10kn

INPUT VOLTAGE RANGE1 IVR OUTPUT VOLTAGE SWING VO VOH VOL COMMON-MODE REJECTION CMR
POWER SUPPLY REJECTION RATIO SUPPLY CURRENT (All Amplifiers) CAPACITIVE LOAD STABILITY

INPUT NOISE VOLTAGE1 enp-p INPUT RESISTANCE DIFFERENTIAL-MODERIN INPUT RESISTANCE COMMON-MODE SLEW RATE GAIN BANDWIDTH PRODUCT CHANNEL SEPARATION2 RINCM SR GBWP

NOTES 1 Guaranteed by CMR test. 2 Guaranteed but not 100% tested. Specifications subject to change without notice.

Parameter INPUT OFFSET VOLTAGE AVERAGE INPUT OFFSET VOLTAGE DRIFT INPUT OFFSET CURRENT INPUT BIAS CURRENT LARGE-SIGNAL VOLTAGE GAIN AVO Symbol VOS TCVOS IOS 15 V VCM 0 V VCM V < VCM V < VCM 125 50

INPUT VOLTAGE RANGE* OUTPUT VOLTAGE SWING
COMMON-MODE REJECTION POWER SUPPLY REJECTION RATIO SUPPLY CURRENT (All Amplifiers)
NOTES *Guaranteed by CMR test. Specifications subject to change without notice.

 

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