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ISL28278 Datasheet

  • ISL28278

  • Dual Micropower Single Supply Rail-to-Rail Input and Output ...

  • Intersil   Intersil

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ISL28278, ISL28478
Data Sheet
September 28, 2006
FN6145.1
Dual Micropower Single Supply
Rail-to-Rail Input and Output (RRIO)
Precision Op-Amp
The ISL28278 and ISL28478 are Dual and Quad channel
micropower precision operational amplifier optimized for
single supply operation at 5V and can operate down to 2.4V.
For equivalent performance in a single channel op-amp
reference EL8178.
The ISL28278 and ISL28478 feature an Input Range
Enhancement Circuit (IREC) which enables both parts to
maintain 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 both parts draw minimal supply current while meeting
excellent DC-accuracy, AC-performance, noise and output
drive specifications.
The ISL28278 and ISL28478 can be operated from one
lithium cell or two Ni-Cd batteries. The input range includes
both positive and negative rail.
Features
鈥?Low Power 120碌A(chǔ) typ supply current for both channels
鈥?225碌V max offset voltage
鈥?30pA typ input bias current
鈥?300kHz gain-bandwidth product
鈥?100dB typ PSRR and CMRR
鈥?Single supply operation down to 2.4V
鈥?Input is capable of swinging above V+ and below V-
(ground sensing)
鈥?Rail-to-rail input and output (RRIO)
鈥?Pb-free plus anneal available (RoHS compliant)
Applications
鈥?Battery- or solar-powered systems
鈥?4mA to 25mA current loops
鈥?Handheld consumer products
鈥?Medical devices
鈥?Thermocouple amplifiers
鈥?Photodiode pre-amps
Ordering Information
PART
PART NUMBER MARKING
ISL28278FAZ
(See Note)
28278FAZ
TAPE &
REEL
97/Tube
PACKAGE
PKG.
DWG. #
鈥?pH probe amplifiers
16 Ld QSOP MDP0040
(Pb-free)
ISL28278FAZ-T7 28278FAZ
7鈥?/div>
16 Ld QSOP MDP0040
(See Note)
(1000 pcs) (Pb-free)
Coming Soon
ISL28478FAZ
(Note)
28478FAZ
97/Tube
16 Ld QSOP MDP0040
(Pb-free)
28478FAZ
7鈥?/div>
16 Ld QSOP MDP0040
Coming Soon
(1000 pcs) (Pb-free)
ISL28478FAZ-T7
(Note)
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 Intersil Americas Inc. 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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