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ADA4077-1ARMZ-R7 Datasheet(PDF) 1 Page - Analog Devices |
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ADA4077-1ARMZ-R7 Datasheet(HTML) 1 Page - Analog Devices |
1 / 25 page 4 MHz, 7 nV/√Hz, Low Offset and Drift, High Precision Amplifiers Data Sheet ADA4077-1/ADA4077-2/ADA4077-4 Rev. D Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2012–2016 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Offset voltage and offset voltage drift B grade: 25 µV and 0.25 µV/°C at V SY = ±5 V A grade maximum offset at 25°C and maximum drift from −40°C to +125°C SOIC: 50 µV and 0.55 µV/°C single/dual and 0.75 µV/°C quad MSOP: 90 µV and 1.2 µV/°C dual and 120 µV and 1.2 µV/°C single TSSOP: 120 µV and 1.2 µV/°C quad MSL1 rated Low input bias current: 1 nA maximum at T A = 25°C Low voltage noise density: 6.9 nV/√Hz typical at f = 1000 Hz CMRR, PSRR, and A V > 120 dB minimum Low supply current: 400 µA per amplifier typical Wide gain bandwidth product: 3.9 MHz at ±5 V Dual-supply operation: ±2.5 V to ±15 V Unity gain stable No phase reversal APPLICATIONS Process control front-end amplifiers Wireless base station control circuits Optical network control circuits Instrumentation Sensors and controls: thermocouples, RTDs, strain bridges, and shunt current measurements Precision filters GENERAL DESCRIPTION The single ADA4077-1, dual ADA4077-2, and quad ADA4077-4 amplifiers feature extremely low offset voltage and drift, and low input bias current, noise, and power consumption. Outputs are stable with capacitive loads of more than 1000 pF with no external compensation. Applications for this amplifier include sensor signal conditioning (such as thermocouples, RTDs, strain gauges), process control front-end amplifiers, and precision diode power measurement in optical and wireless transmission systems. The ADA4077-1, ADA4077-2, and ADA4077-4 are useful in line powered and portable instrumentation, precision filters, and voltage or current measurement and level setting. Unlike amplifiers by some competitors, the ADA4077-1/ ADA4077-2/ADA4077-4 have an MSL1 rating that is compliant with the most stringent of assembly processes, and they are specified over the extended industrial temperature range from −40°C to +125°C for the most demanding operating environments. PIN CONNECTION DIAGRAMS Figure 1. ADA4077-1, 8-Lead SOIC (and 8-Lead MSOP) Figure 2. ADA4077-2, 8-Lead MSOP (and 8-Lead SOIC) Figure 3. ADA4077-4, 14-Lead TSSOP (and 14-Lead SOIC) The ADA4077-1 and ADA4077-2 are available in an 8-lead SOIC package, including the B grade, and in an 8-lead MSOP (A grade only). The ADA4077-4 is offered in a 14-lead TSSOP and a 14-lead SOIC package. Figure 4. Offset Voltage Distribution Table 1. Evolution of Precision Devices by Generation Op Amp First Second Third Fourth Fifth Sixth Single OP07 OP77 OP177 OP1177 AD8677 ADA4077-1 Dual OP2177 ADA4077-2 Quad OP4177 ADA4077-4 NC 1 –IN 2 +IN 3 V– 4 NC 8 V+ 7 OUT 6 NC 5 NC = NO CONNECT. NOT INTERNALLY CONNECTED. ADA4077-1 TOP VIEW (Not to Scale) OUT A 1 –IN A 2 +IN A 3 V– 4 V+ 8 OUT B 7 –IN B 6 +IN B 5 ADA4077-2 TOP VIEW (Not to Scale) ADA4077-4 1 2 3 4 5 6 7 –IN A +IN A V+ OUT B –IN B +IN B OUT A 14 13 12 11 10 9 8 –IN D +IN D V– OUT C –IN C +IN C OUT D TOP VIEW (Not to Scale) VOS (µV) 0 20 40 60 80 100 120 140 160 180 200 VSY = ±5V SOIC |
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