DATASHEET ISL28271, ISL28272 Rev X.00 Dual Micropower, Single Supply, Rail-to-Rail Input and Output (RRIO) Instrumentation Amplifier The ISL28271 and ISL28272 are dual micropower Features instrumentation amplifiers (in-amps) optimized for single 120A typical supply current for both channels supply operation over the +2.4V to +5.5V range. 30pA max input bias current Both devices feature an Input Range Enhancement Circuit (IREC) which maintains CMRR performance for input 100dB CMRR, PSRR voltages equal to the positive and negative supply rails. The 0.7V/C offset voltage temperature coefficient input signal is capable of swinging 10% above the positive 180kHz 3dB Bandwidth - ISL28271 supply rail and to 100mV below the negative supply with only a slight degradation of the CMRR performance. The output 100kHz 3dB Bandwidth - ISL28272 operation is rail-to-rail. 0.5V/s slew rate The ISL28271 is compensated for a minimum gain of 10 or Single supply operation more. For higher gain applications, the ISL28272 is compensated for a minimum gain of 100. The in-amps have Rail-to-rail input and output (RRIO) CMOS input devices for maximum input common voltage Input is capable of swinging above V+ and below V- range. The amplifiers can be operated from one lithium cell (ground sensing) or two Ni-Cd batteries. 0.081%1 typical gain error - ISL28271 Ordering Information -0.19%1 typical gain error - ISL28272 PART NUMBER PART PACKAGE Pb-free available (RoHS compliant) (Note) MARKING (Pb-free) PKG. DWG. Applications ISL28271FAZ* 28271 FAZ 16 Ld QSOP MDP0040 ISL28272FAZ* 28272 FAZ 16 Ld QSOP MDP0040 Battery- or solar-powered systems ISL28271INEVAL1Z Evaluation Platform Strain gauge ISL28272INEVAL1Z Evaluation Platform Sensor signal conditioning *Add -T7 suffix for tape and reel. Please refer to TB347 for details Medical devices on reel specifications. Industrial instrumentations NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets molding compounds/die attach Related Literature materials and 100% matte tin plate PLUS ANNEAL - e3 termination finish, which is RoHS compliant and compatible with both SnPb and AN1290, ISL2827xINEVAL1Z Evaluation Board Users Pb-free soldering operations. Intersil Pb-free products are MSL Guide classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. AN1298, Instrumentation Amplifier Application Note Pinout ISL28271, ISL28272 (16 LD QSOP) TOP VIEW NC 1 16 V+ OUT A 2 15 OUT B FB+ A 3 14 FB+ B + - -+ FB- A 4 13 FB- B IN- A 5 12 IN- B IN+ A 6 11 IN+ B 10 EN B EN A 7 V- 8 9 NC Rev X.00 Page 1 of 14 NOT RECOMMENDED FOR NEW DESIGNS NO RECOMMENDED REPLACEMENT contact our Technical Support Center at 1-888-INTERSIL or www.intersil.com/tscISL28271, ISL28272 Absolute Maximum Ratings (T = +25C) Thermal Information A Supply Voltage 5.5V Thermal Resistance (C/W) JA Supply Turn-on Voltage Slew Rate . 1V/s 16 Ld QSOP Package . 112 Input Current (IN, FB) ISL28272 5mA Output Short-Circuit Duration .Indefinite Differential Input Voltage (IN, FB) ISL28272 . 0.5V Ambient Operating Temperature Range .-40C to +125C Input Current (IN, FB) ISL28271 5mA Storage Temperature Range -65C to +150C Differential Input (IN, FB) Voltage ISL28271 . 1.0V Operating Junction Temperature . +125C Input Voltage . V- - 0.5V to V+ + 0.5V Pb-free reflow profile see link below ESD Rating