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ADA4622-1ARZ-R7 Datasheet(PDF) 1 Page - Analog Devices |
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ADA4622-1ARZ-R7 Datasheet(HTML) 1 Page - Analog Devices |
1 / 34 page 30 V, 8 MHz, Low Bias Current, Single-Supply, RRO, Precision Op Amps Data Sheet ADA4622-1/ADA4622-2 Rev. B Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother 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 ©2015–2017 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Next generation of the AD820/AD822 Wide gain bandwidth product: 8 MHz typical High slew rate: +23 V/μs/−18 V/μs typical Low input bias current: ±10 pA maximum at TA = 25°C Low offset voltage A grade: ±0.8 mV maximum at TA = 25°C B grade: ±0.35 mV maximum at TA = 25°C Low offset voltage drift A grade: ±2 μV/°C typical, ±15 μV/°C maximum B grade: ±2 μV/°C typical, ±5 μV/°C maximum Input voltage range includes Pin V− Rail-to-rail output Electromagnetic interference rejection ratio (EMIRR) 90 dB typical at f = 1000 MHz and f = 2400 MHz Industry-standard package and pinouts APPLICATIONS High output impedance sensor interfaces Photodiode sensor interfaces Transimpedance amplifiers ADC drivers Precision filters and signal conditioning PIN CONFIGURATIONS 1 2 3 4 8 7 6 5 ADA4622-1 TOP VIEW (Not to Scale) –IN +IN V– NIC NOTES 1. NIC = NOT INTERNALLY CONNECTED. V+ OUT NIC DISABLE Figure 1. 8-Lead SOIC Pin Configuration, ADA4622-1 (See the Pin Configurations and Function Descriptions Section for Additional Pin Configurations) 1 2 3 4 –IN A +IN A V– OUT A 8 7 6 5 OUT B –IN B +IN B V+ ADA4622-2 (Not to Scale) TOP VIEW Figure 2. 8-Lead MSOP Pin Configuration, ADA4622-2 (See the Pin Configurations and Function Descriptions Section for Additional Pin Configurations) GENERAL DESCRIPTION The ADA4622-1/ADA4622-2 are the next generation of the AD820 and the AD822 single-supply, rail-to-rail output (RRO), precision junction field effect transistors (JFET) input op amps. The ADA4622-1/ADA4622-2 include many improvements that make them desirable as an upgrade without compromising the flexibility and ease of use that makes the AD820 and the AD822 useful for a wide variety of applications. The input voltage range includes the negative supply and the output swings rail-to-rail. Input EMI filters increase the signal robustness in the face of closely located switching noise sources. The speed, in terms of bandwidth and slew rate, increases along with a strong output drive to improve settling time performance and enable the devices to drive the inputs of modern single-ended, successive approximation register (SAR) analog-to-digital converters (ADCs). Voltage noise is reduced; while keeping the supply current the same as the AD820 and the AD822, broadband noise is reduced by 25%, and 1/f is reduced by half. DC precision in the ADA4622-1/ ADA4622-2 improved from the AD820 and the AD822 with half the offset and a maximum thermal drift specification added to the ADA4622-1/ADA4622-2. The common-mode rejection ratio (CMRR) is improved from the AD820 and the AD822 to make the ADA4622-1/ADA4622-2 more suitable when used in noninverting gain and difference amplifier configurations. The ADA4622-1/ADA4622-2 are specified for operation over the extended industrial temperature range of −40°C to +125°C and operates from 5 V to 30 V with specifications at +5 V, ±5 V, and ±15 V. The ADA4622-1 is available in a 5-lead SOT-23 package and an 8-lead LFCSP package, and the ADA4622-2 is available in an 8-lead SOIC package, an 8-lead MSOP package, and an 8-lead LFCSP package. |
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