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ISL28271FAZ bảng dữ liệu(PDF) 1 Page - Renesas Technology Corp |
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1 / 14 page Rev X.00 Page 1 of 14 Rev X.00 ISL28271, ISL28272 Dual Micropower, Single Supply, Rail-to-Rail Input and Output (RRIO) Instrumentation Amplifier DATASHEET The ISL28271 and ISL28272 are dual micropower instrumentation amplifiers (in-amps) optimized for single supply operation over the +2.4V to +5.5V range. 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 available (RoHS compliant) Applications • Battery- or solar-powered systems • Strain gauge • Sensor signal conditioning • Medical devices • Industrial instrumentations Related Literature • AN1290, ISL2827xINEVAL1Z Evaluation Board User’s Guide • AN1298, Instrumentation Amplifier Application Note Ordering Information PART NUMBER (Note) PART MARKING PACKAGE (Pb-free) PKG. DWG. # ISL28271FAZ* 28271 FAZ 16 Ld QSOP MDP0040 ISL28272FAZ* 28272 FAZ 16 Ld QSOP MDP0040 ISL28271INEVAL1Z Evaluation Platform ISL28272INEVAL1Z Evaluation Platform *Add “-T7” suffix for tape and reel. Please refer to TB347 for details on reel specifications. NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate PLUS ANNEAL - e3 termination finish, which is 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 -+ - + NOT RECOMMENDED FOR NEW DESIGNS NO RECOMMENDED REPLACEMENT contact our Technical Support Center at 1-888-INTERSIL or www.intersil.com/tsc |
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