OP290
Part | Datasheet |
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OP290GPZ | OP290GPZ (pdf) |
PDF Datasheet Preview |
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Precision, Low Power, Micropower Dual Operational Amplifier OP290 FEATURES Single-/Dual-Supply Operation, V to 36 V, V to V True Single-Supply Operation Input and Output Voltage Ranges Include Ground Low Supply Current Per Amplifier , 20 Max High Output Drive, 5 mA Min Low Input Offset Voltage, 200 Max High Open-Loop Gain, 700 V/mV Min Outstanding PSRR, 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 V to 36 V or from dual supplies of ± 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 output 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 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. PIN CONNECTIONS PDIP P-Suffix OUT A 1 A 2 +IN A 3 4 OP290 8 V+ 7 OUT B 6 B 5 +IN B OUTPUT NULL NULL ELECTRONICALLY ADJUSTED ON CHIP FOR MINIMUM OFFSET VOLTAGE Figure 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. 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 Fax 781/326-8703 2003 Analog Devices, Inc. All rights reserved. ELECTRICAL CHARACTERISTICS VS = V to V, TA = unless otherwise noted. Parameter INPUT OFFSET VOLTAGE INPUT OFFSET CURRENT INPUT BIAS CURRENT LARGE-SIGNAL VOLTAGE GAIN VOS IOS IB AVO INPUT VOLTAGE RANGE1 OUTPUT VOLTAGE SWING VO COMMON-MODE REJECTION VOH, VOL CMR POWER SUPPLY REJECTION RATIO SUPPLY CURRENT All Amplifiers CAPACITIVE LOAD STABILITY INPUT NOISE VOLTAGE1 INPUT RESISTANCE DIFFERENTIAL-MODE INPUT RESISTANCE COMMON-MODE SLEW RATE GAIN BANDWIDTH PRODUCT CHANNEL SEPARATION2 PSRR ISY enp-p RIN RINCM SR GBWP CS NOTES 1Guaranteed by CMR test. 2Guaranteed but not 100% tested. Specifications subject to change without notice. Conditions VCM = 0 V VCM = 0 V VS = ±15 V, VO = ±10 V RL = 100 RL = 10 RL = 2 V+ = 5 V, = 0 V, 1 V < VO < 4 V RL = 100 RL = 10 V+ = 5 V, = 0 V VS = ± 5 V1 VS = ± 5 V RL = 10 RL = 2 V+ = 5 V, = 0 V RL = V+ = 5 V, = 0 V 0 V < VCM < 4 V VS = ± 15 V, V < VCM < V VS = ± V VS = ± 15 V AV = +1 No Oscillations fO = Hz to 10 Hz VS = ± 15 V VS = ±15 V VS = ± 15 V AV = +1 VS = ± 15 V Vs = +15 V VS = ± 15 V fO = 10 Hz VO = 20 V p-p VS = ± 15 V2 OP290G Min Typ Max ORDERING GUIDE Temperature Range TA = VOS Max mV XIND Package Type 8-Lead Plastic DIP P Unit °C/W NOTES 1Absolute Maximum Ratings applies to packaged part. is specified for worst-case mounting conditions, i.e., is specified for device in socket for PDIP package. Package Description PDIP CAUTION ESD electrostatic discharge sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the OP290 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. WARNING! ESD SENSITIVE DEVICE INPUT OFFSET VOLTAGE PHASE SHIFT Degrees SUPPLY CURRENT 100 VS = 15V 0 25 50 75 100 125 TEMPERATURE C TPC Input Offset Voltage vs. Temperature 44 NO LOAD VS = 15V 16 VS = 1.5V 4 0 25 50 75 100 125 TEMPERATURE C TPC Supply Current vs. Temperature 60 TA = 25 C VS = 15V FREQUENCY Hz 100k TPC Closed-Loop Gain vs. Frequency OUTPUT VOLTAGE SWING V OPEN-LOOP GAIN V/mV INPUT OFFSET CURRENT nA Typical Performance VS = 15V 0 25 50 75 100 125 TEMPERATURE C TPC Input Offset Current vs. Temperature INPUT BIAS CURRENT nA VS = 15V 0 25 50 75 100 125 TEMPERATURE C |
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