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ISL28270_0708 Datasheet

  • ISL28270_0708

  • Dual and Quad Channel Micropower, Single Supply, Rail-to-Rai...

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  • INTERSIL   INTERSIL

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ISL28270, ISL28273, ISL28470
Data Sheet
August 3, 2007
FN6260.4
Dual and Quad Channel Micropower,
Single Supply, Rail-to-Rail Input and
Output (RRIO) Instrumentation Amplifiers
The ISL28270 and ISL28273 are dual channel micropower
instrumentation amplifiers (in-amps) and the ISL28470 is a
quad channel in-amp optimized for single supply operation
over the +2.4V to +5.5V range.
All three devices feature an Input Range Enhancement
Circuit (IREC) which maintains CMRR performance for input
voltages equal to the positive supply and down to 50mV
above the negative supply rail. The input signal is capable of
swinging above the positive supply rail and to 10mV above
the negative supply with only a slight degradation of the
CMRR performance. The output operation is rail-to-rail.
The ISL28273 is compensated for a minimum gain of 10 or
more. For higher gain applications, the ISL28270 and
ISL28470 are compensated for a minimum gain of 100. The
in-amps have bipolar input devices for best offset and
excellent 1/f noise performance. The amplifiers can be
operated from one lithium cell or two Ni-Cd batteries.
Features
鈥?150碌V max offset voltage (ISL28270, ISL28470)
鈥?600碌V max offset voltage (ISL28273)
鈥?2.5nA max input bias current (ISL28270, ISL28470)
鈥?110dB CMRR
鈥?0.7碌V/擄C offset voltage temperature coefficient
鈥?240kHz -3dB bandwidth (G = 100) ISL28270, ISL28470
鈥?230kHz -3dB bandwidth (G = 10) ISL28273
鈥?Single supply operation
鈥?Rail-to-rail input and output (RRIO)
鈥?Pb-free plus anneal available (RoHS compliant)
Applications
鈥?Battery or solar-powered systems
鈥?Strain gauge
鈥?Sensor signal conditioning
鈥?Medical devices
鈥?Industrial instrumentations
Ordering Information
PART NUMBER
(Note)
ISL28270IAZ
ISL28270IAZ-T13*
ISL28273FAZ
ISL28273FAZ-T7*
ISL28470FAZ
ISL28470FAZ-T7 *
PART
MARKING
28270 IAZ
28270 IAZ
28273 FAZ
28273 FAZ
PACKAGE
(Pb-Free)
16 Ld QSOP
16 Ld QSOP
16 Ld QSOP
16 Ld QSOP
PKG.
DWG. #
MDP0040
MDP0040
MDP0040
MDP0040
MDP0040
MDP0040
Related Literature
鈥?AN1289, ISL28470EVAL1Z Evaluation Board User鈥檚
Guide
鈥?AN1290, ISL2827xINEVAL1Z Evaluation Board User鈥檚
Guide
鈥?AN1298, Instrumentation Amplifier Application Note
ISL28470 FAZ 28 Ld QSOP
ISL28470 FAZ 28 Ld QSOP
ISL28270INEVAL1Z Evaluation Platform
ISL28273INEVAL1Z Evaluation Platform
ISL28470EVAL1Z
Evaluation Platform
*Please refer to TB347 for details on reel specifications.
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.
1
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 漏 Intersil Americas Inc. 2006, 2007. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.

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