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AD8270 数据表(PDF) 1 Page - Analog Devices |
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AD8270 数据表(HTML) 1 Page - Analog Devices |
1 / 20 page Precision Dual-Channel, Difference Amplifier AD8270 Rev. 0 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 ©2008 Analog Devices, Inc. All rights reserved. FEATURES With no external resistors Difference amplifier: gains of 0.5, 1, or 2 Single ended amplifiers: over 40 different gains Set reference voltage at midsupply Excellent ac specifications 15 MHz bandwidth 30 V/μs slew rate High accuracy dc performance 0.08% maximum gain error 10 ppm/°C maximum gain drift 80 dB minimum CMRR (G = 2) Two channels in small 4 mm × 4 mm LFCSP Supply current: 2.5 mA per channel Supply range: ±2.5 V to ±18 V APPLICATIONS Instrumentation amplifier building blocks Level translators Automatic test equipment High performance audio Sine/Cosine encoders GENERAL DESCRIPTION The AD8270 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 with gains of 0.5, 1, or 2. It can also be configured in over 40 single- ended configurations, with gains ranging from −2 to +3. The AD8270 is the first dual-difference amplifier in the small 4 mm × 4 mm LFCSP. It requires the same board area as a typical single-difference amplifier. The smaller package allows a 2× increase in channel density and a lower cost per channel, all with no compromise in performance. The AD8270 operates on both single and dual supplies and requires only 2.5 mA maximum supply current for each ampli- fier. It is specified over the industrial temperature range of −40°C to +85°C and is fully RoHS compliant. FUNCTIONAL BLOCK DIAGRAM 1 –IN1A 2 –IN2A 3 +IN2A 4 +IN1A 11 –IN2B 12 –IN1B 10 +IN2B 9+IN1B AD8270 _ + 10kΩ 10kΩ 10kΩ 10kΩ 10kΩ 10kΩ 10kΩ 10kΩ 10kΩ 10kΩ 20kΩ 20kΩ 20kΩ 20kΩ _ + Figure 1. Table 1. Difference Amplifiers by Category High Speed High Voltage Single-Supply Unidirectional Single-Supply Bidirectional AD8270 AD628 AD8202 AD8205 AD8273 AD629 AD8203 AD8206 AMP03 AD8216 |
类似零件编号 - AD8270_08 |
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类似说明 - AD8270_08 |
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