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AD8137YRZ-REEL7 Datasheet(PDF) 1 Page - Analog Devices |
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AD8137YRZ-REEL7 Datasheet(HTML) 1 Page - Analog Devices |
1 / 33 page Low Cost, Low Power, Differential ADC Driver Data Sheet AD8137 Rev. E 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 www.analog.com Fax: 781.461.3113 ©2004–2012 Analog Devices, Inc. All rights reserved. FEATURES Fully differential Extremely low power with power-down feature 2.6 mA quiescent supply current @ 5 V 450 µA in power-down mode @ 5 V High speed 110 MHz large signal 3 dB bandwidth @ G = 1 450 V/µs slew rate 12-bit SFDR performance @ 500 kHz Fast settling time: 100 ns to 0.02% Low input offset voltage: ±2.6 mV max Low input offset current: 0.45 µA max Differential input and output Differential-to-differential or single-ended-to-differential operation Rail-to-rail output Adjustable output common-mode voltage Externally adjustable gain Wide supply voltage range: 2.7 V to 12 V Available in small SOIC package Qualified for automotive applications APPLICATIONS ADC drivers Automotive vision and safety systems Automotive infotainment systems Portable instrumentation Battery-powered applications Single-ended-to-differential converters Differential active filters Video amplifiers Level shifters FUNCTIONAL BLOCK DIAGRAM –IN 1 VOCM 2 VS+ 3 +OUT 4 +IN 8 PD 7 VS– 6 –OUT 5 AD8137 Figure 1. RG = 1kΩ VO, dm = 0.1V p-p FREQUENCY (MHz) 3 2 1 0 –12 –11 –10 –9 –8 –7 –6 –5 –4 –3 –2 –1 0.1 1 10 100 1000 G = 5 G = 10 G = 1 G = 2 Figure 2. Small Signal Response for Various Gains GENERAL DESCRIPTON The AD8137 is a low cost differential driver with a rail-to-rail output that is ideal for driving ADCs in systems that are sensitive to power and cost. The AD8137 is easy to apply, and its internal common-mode feedback architecture allows its output common- mode voltage to be controlled by the voltage applied to one pin. The internal feedback loop also provides inherently balanced outputs as well as suppression of even-order harmonic distortion products. Fully differential and single-ended-to-differential gain configurations are easily realized by the AD8137. External feedback networks consisting of four resistors determine the closed-loop gain of the amplifier. The power-down feature is beneficial in critical low power applications. The AD8137 is manufactured on Analog Devices, Inc., proprietary second-generation XFCB process, enabling it to achieve high levels of performance with very low power consumption. The AD8137 is available in the small 8-lead SOIC package and 3 mm × 3 mm LFCSP package. It is rated to operate over the extended industrial temperature range of −40°C to +125°C. |
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