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ISL28474 Scheda tecnica(PDF) 1 Page - Intersil Corporation |
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ISL28474 Scheda tecnica(HTML) 1 Page - Intersil Corporation |
1 / 18 page 1 ® FN6345.0 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2006. All Rights Reserved. All other trademarks mentioned are the property of their respective owners. ISL28274, ISL28474 Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifier and Precision Operational Amplifier The ISL28274 is a combination of a micropower instrumentation amplifier (Amp A) with a low power precision amplifier (Amp B) in a single package. The ISL28474 consist of two micropower instrumentation amplifiers (Amp A) and two low power precision amplifiers (Amp B) in a single package. The amplifiers are optimized for operation at 2.4V to 5V single supplies. Inputs and outputs can operate rail-to- rail. As with all instrumentation amplifiers, a pair of inputs provide a high common-mode rejection and are completely independent from a pair of feedback terminals. The feedback terminals allow zero input to be translated to any output offset, including ground. A feedback divider controls the overall gain of the amplifier. The additional precision amplifier can be used to generate higher gain, with smaller feedback resistors or used to generate a reference voltage. The instrumentation amp (Amp A) is compensated for a gain of 100 or more and the precision amp (Amp B) is unity gain stable. Both amplifiers have PMOS inputs that provide less than 30pA input bias currents. The amplifiers can be operated from one lithium cell or two Ni-Cd batteries. The amplifiers input range goes from below ground to slightly above positive rail. The output stage swings completely to ground or positive supply - no pull-up or pull-down resistors are needed. Features • Combination of IN-AMP and OP-AMP in a single package • 120µA supply current for ISL28274 • Input Offset Voltage IN-AMP 400µV max • Input Offset Voltage OP-AMP 225µV max • 30pA max input bias current • 100dB CMRR and PSRR • Single supply operation of 2.4V to 5.0V • Ground Sensing • Input voltage range is rail-to-rail and output swings rail-to-rail • Pb-free plus anneal available (RoHS compliant) Applications •4-20mA loops • Industrial Process Control • Medical Instrumentations Ordering Information PART NUMBER (Note) PART MARKING QTY. PER TUBE/REEL PACKAGE (Pb-Free) PKG. DWG. # ISL28274FAZ 28274FAZ 97/Tube 16 Ld QSOP MDP0040 ISL28274FAZ-T7 28274FAZ 7” (1000 pcs) 16 Ld QSOP Tape & Reel MDP0040 Coming Soon ISL28474FAZ ISL28474FAZ 55 /Tube 24 Ld QSOP MDP0040 Coming Soon ISL28474FAZ-T7 ISL28474FAZ 7” (1000 pcs) 24 Ld QSOP Tape & Reel MDP0040 NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. Data Sheet December 13, 2006 |
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