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AD8655ARZ-REEL 데이터시트(PDF) 1 Page - Analog Devices |
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AD8655ARZ-REEL 데이터시트(HTML) 1 Page - Analog Devices |
1 / 20 page Low Noise, Precision CMOS Amplifier Data Sheet AD8655/AD8656 Rev. D Document Feedback InformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable.However,no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No licenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofAnalogDevices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2005–2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Low noise: 2.7 nV/√Hz @ f = 10 kHz Low offset voltage: 250 µV max over VCM Offset voltage drift: 0.4 µV/°C typ and 2.3 µV/°C max Bandwidth: 28 MHz Rail-to-rail input/output Unity gain stable 2.7 V to 5.5 V operation −40°C to +125°C operation Qualified for automotive applications (AD8656) APPLICATIONS ADC and DAC buffers Audio Industrial controls Precision filters Digital scales Automotive collision avoidance PLL filters PIN CONFIGURATIONS NC 1 –IN 2 +IN 3 V– 4 NC 8 V+ 7 OUT 6 NC 5 AD8655 TOP VIEW (Not to Scale) NC = NO CONNECT OUT A 1 –IN A 2 +IN A 3 V– 4 V+ 8 OUT B 7 –IN B 6 +IN B 5 AD8656 TOP VIEW (Not to Scale) Figure 1. AD8655 8-Lead MSOP (RM-8) Figure 2. AD8656 8-Lead MSOP (RM-8) NC 1 –IN 2 +IN 3 V– 4 NC 8 V+ 7 OUT 6 NC 5 NC = NO CONNECT AD8655 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 AD8656 TOP VIEW (Not to Scale) Figure 3. AD8655 8-Lead SOIC (R-8) Figure 4. AD8656 8-Lead SOIC (R-8) GENERAL DESCRIPTION The AD8655/AD8656 are the industry’s lowest noise, precision CMOS amplifiers. They leverage the Analog Devices DigiTrim® technology to achieve high dc accuracy. The AD8655/AD8656 provide low noise (2.7 nV/√Hz @ 10 kHz), low THD + N (0.0007%), and high precision performance (250 µV max over VCM) to low voltage applications. The ability to swing rail-to-rail at the input and output enables designers to buffer analog-to-digital converters (ADCs) and other wide dynamic range devices in single-supply systems. The high precision performance of the AD8655/AD8656 improves the resolution and dynamic range in low voltage applications. Audio applications, such as microphone pre-amps and audio mixing consoles, benefit from the low noise, low distortion, and high output current capability of the AD8655/ AD8656 to reduce system level noise performance and maintain audio fidelity. The high precision and rail-to-rail input and output of the AD8655/AD8656 benefit data acquisition, process controls, and PLL filter applications. The AD8655/AD8656 are fully specified over the −40°C to +125°C temperature range. The AD8655/AD8656 are available in Pb-free, 8-lead MSOP and SOIC packages. |
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