Details, datasheet, quote on part number: OP27C
PartOP27C
CategoryAnalog & Mixed-Signal Processing => Amplifiers => Operational Amplifiers
DescriptionLow Noise, Precision Operational Amplifier
CompanyAnalog Devices
DatasheetDownload OP27C datasheet
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Features, Applications

FEATURES Low Noise: 80 nV p-p to 10 Hz), 3 nV/Hz Low Drift: V/ C High Speed: V/ s Slew Rate, 8 MHz Gain Bandwidth Low VOS: 10 V Excellent CMRR: 11 V High Open-Loop Gain: 1.8 Million Fits OP07, 5534A Sockets Available in Die Form GENERAL DESCRIPTION

The OP27 precision operational amplifier combines the low offset and drift of the OP07 with both high speed and low noise. Offsets down 25 ÁV and drift of 0.6 ÁV/░ C maximum make the OP27 ideal for precision instrumentation applications. Exceptionally low noise, = 3.5 nV/Hz, at 10 Hz, a low 1/f noise corner frequency of 2.7 Hz, and high gain (1.8 million), allow accurate high-gain amplification of low-level signals. A gain-bandwidth product of 8 MHz and a 2.8 V/Ásec slew rate provides excellent dynamic accuracy in high-speed, dataacquisition systems. A low input bias current nA is achieved by use of a bias-current-cancellation circuit. Over the military temperature range, this circuit typically holds IB and IOS 20 nA and 15 nA, respectively. The output stage has good load driving capability. A guaranteed swing 10 V into 600 and low output distortion make the OP27 an excellent choice for professional audio applications.

8-Pin Hermetic DIP (Z-Suffix) Epoxy Mini-DIP (P-Suffix) 8-Pin SO (S-Suffix)

Q20 Q1A NONINVERTING INPUT Q3 INVERTING INPUT *R1 AND R2 ARE PERMANENTLY ADJUSTED AT WAFER TEST FOR MINIMUM OFFSET VOLTAGE. C4 Q19 OUTPUT C1 Q46

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 ę Analog Devices, Inc., 2002

Parameter INPUT OFFSET VOLTAGE1 LONG-TERM VOS STABILITY2, 3 INPUT OFFSET CURRENT INPUT BIAS CURRENT INPUT NOISE VOLTAGE3, 4 INPUT NOISE Voltage Density3 INPUT NOISE Current Density3, 5 INPUT RESISTANCE Differential-Mode6 Common-Mode INPUT VOLTAGE RANGE

COMMON-MODE REJECTION RATIO CMRR POWER SUPPLY PSRR REJECTION RATIO LARGE-SIGNAL VOLTAGE GAIN AVO

OUTPUT VOLTAGE SWING SLEW RATE7 GAIN BANDWIDTH PRODUCT7 OPEN-LOOP OUTPUT RESISTANCE POWER CONSUMPTION OFFSET ADJUSTMENT RANGE

NOTES 1 Input offset voltage measurements are performed ~ 0.5 seconds after application of power. A/E grades guaranteed fully warmed up. 2 Long-term input offset voltage stability refers to the average trend line V OS versus. Time over extended periods after the first 30 days of operation. Excluding the initial hour of operation, changes V OS during the first 30 days are typically 2.5 ÁV. Refer to typical performance curve. 3 Sample tested. 4 See test circuit and frequency response curve for 10 Hz tester. 5 See test circuit for current noise measurement. 6 Guaranteed by input bias current. 7 Guaranteed by design.

Parameter INPUT OFFSET VOLTAGE1 AVERAGE INPUT OFFSET DRIFT INPUT OFFSET CURRENT INPUT BIAS CURRENT INPUT VOLTAGE RANGE Symbol VOS TCVOS2 TCVOSn3 IOS IB IVR VCM 2 k

COMMON-MODE REJECTION RATIO CMRR POWER SUPPLY REJECTION RATIO PSRR LARGE-SIGNAL VOLTAGE GAIN OUTPUT VOLTAGE SWING AVO VO

NOTES 1 Input offset voltage measurements are performed by automated test equipment approximately 0.5 seconds after application of power. A/E grades guaranteed fully warmed up. 2 The TCVOS performance is within the specifications unnulled or when nulled with 20 k. TCVOS is 100% tested for A/E grades, sample tested for C/F/G grades. 3 Guaranteed by design.


 

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