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AD8205 Scheda tecnica(PDF) 1 Page - Analog Devices |
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AD8205 Scheda tecnica(HTML) 1 Page - Analog Devices |
1 / 4 page Dual-Channel Audio Difference Amplifier Preliminary Technical Data AD8273 Rev. PrA Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other 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 ©2007 Analog Devices, Inc. All rights reserved. FEATURES Two gain settings: Gain of 1/2 (–6 dB) Gain of 2 (6 dB) 0.03% max gain accuracy 10 ppm max gain drift Excellent AC Specifications 25V/μs slew rate 0.9 μs to 0.01% settling time Low Distortion 0.003% at 1 kHz High Accuracy DC Performance 90 dB typ CMRR 250 uV max offset voltage 14 lead SOIC Package Supply current: 2.5 mA per channel Supply range: ±2.5 V to ±18 V APPLICATIONS High Performance Audio Instrumentation Amplifier Building Block Level Translator Automatic Test Equipment Sin/Cos Encoders GENERAL DESCRIPTION The AD8273 is a low distortion, dual-channel amplifier with internal gain setting resistors. With no external components, it can be configured as a high performance difference amplifier (G=0.5 or 2), inverting amplifier (G=0.5 or 2) or non-inverting amplifier (G=1.5 or 3). The AD8273 operates on both single and dual supplies and only requires 2.5 mA maximum supply current for both amplifiers. It is specified over the industrial temperature range of −40°C to +85°C and is fully RoHS compliant. FUNCTIONAL BLOCK DIAGRAM + – –IN1 +IN1 SENSE1 REF1 OUT1 + – –IN2 +IN2 SENSE2 REF2 OUT2 2 3 12 13 14 6 5 10 9 8 +VS –VS 11 4 6kΩ 12kΩ 12kΩ 12kΩ 12kΩ 6kΩ 6kΩ 6kΩ Figure 1. AD8273 Dual Difference Amplifier Table 1. Difference Amplifiers by Category Low Distortion High Voltage Single Supply Uni-directional Single Supply Bi-directional AD8270 AD8273 AMP03 AD628 AD629 AD8212 AD8202 AD8203 AD8205 AD8206 AD8210 |
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