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ISL28271 Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL28271 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 14 page 1 ® FN6390.0 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. ISL28271, ISL28272 Dual Micropower, Single Supply, Rail-to- Rail Input and Output (RRIO) Instrumentation Amplifier The ISL28271 and ISL28272 are dual micropower instrumentation amplifiers (in-amps) optimized for low 2.4V to 5V single supplies. Both devices feature an Input Range Enhancement Circuit (IREC) which maintains CMRR performance for input voltages equal to the positive and negative supply rails. The input signal is capable of swinging 10% above the positive supply rail and to 100mV below the negative supply with only a slight degradation of the CMRR performance. The output operation is rail to rail. The ISL28271 is compensated for a minimum gain of 10 or more. For higher gain applications, the ISL28272 is compensated for a minimum gain of 100. The in-amps have CMOS input devices for maximum input common voltage range. The amplifiers can be operated from one lithium cell or two Ni-Cd batteries. Features • 120µA typical supply current for both channels • 30pA max input bias current • 100dB CMRR, PSRR • 0.7µV/°C offset voltage temperature coefficient • 180kHz 3dB Bandwidth - ISL28271 • 100kHz 3dB Bandwidth - ISL28272 • 0.5V/µs slew rate • Single supply operation • Rail-to-rail input and output (RRIO) • Input is capable of swinging above V+ and below V- (ground sensing) • 0.081%1 typical gain error - ISL28271 • -0.19%1 typical gain error - ISL28272 • Pb-free plus anneal available (RoHS compliant) Applications • Battery- or solar-powered systems • Strain gauge • Sensor signal conditioning • Medical devices • Industrial instrumentations Ordering Information PART NUMBER (Note) PART MARKING TAPE & REEL PACKAGE (Pb-Free) PKG. DWG. # ISL28271FAZ (Note) 28271 FAZ 97/Tube 16 Ld QSOP (Pb-free) MDP0040 ISL28271FAZ-T7 (Note) 28271 FAZ 7” (1000 pcs) 16 Ld QSOP (Pb-free) MDP0040 ISL28272FAZ (Note) 28272 FAZ 97/Tube 16 Ld QSOP (Pb-free) MDP0040 ISL28272FAZ-T7 (Note) 28272 FAZ 7” (1000 pcs) 16 Ld QSOP (Pb-free) 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. Pinout ISL28271, ISL28272 (16 LD QSOP) TOP VIEW NC OUT_A FB+_A FB-_A IN-_A IN+_A EN_A V- V+ FB+_B FB-_B IN-_B IN+_B NC OUT_B EN_B 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 -+ - + Data Sheet December 8, 2006 |
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