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ISL28476 View Datasheet(PDF) - Intersil

Part Name
ISL28476 Datasheet PDF : 19 Pages
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Data Sheet
ISL28176, ISL28276, ISL28476
June 23, 2009
Single, Dual and Quad Micropower Single
Supply Rail-to-Rail Input and Output
(RRIO) Precision Op Amp
The ISL28176, ISL28276 and ISL28476 are single, dual and
quad channel micropower operational amplifiers optimized
for single supply operation over the 2.4V to 5V range. They
can be operated from one lithium cell or two Ni-Cd batteries.
These devices feature an Input Range Enhancement Circuit
(IREC) which enables them to maintain CMRR performance for
input voltages 10% above the positive supply rail and down to
the negative supply. The output operation is rail-to-rail.
The ISL28276 and ISL28476 draw minimal supply current
while meeting excellent DC-accuracy, AC-performance,
noise and output drive specifications. The ISL28276 (QSOP
package only) contains a power-down enable pin that
reduces the power supply current to typically 4µA in the
disabled state.
Ordering Information
DWG. #
ISL28176FBZ* 28176 FBZ
8 Ld SOIC MDP0027
ISL28276FBZ* 28276 FBZ
8 Ld SOIC MDP0027
28276 IAZ
16 Ld QSOP MDP0040
ISL28476FAZ* 28476 FAZ
16 Ld QSOP MDP0040
*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.
• Low power 120µA typical supply current (ISL28276)
• 100µV maximum offset voltage
• 500pA typical input bias current
• 400kHz typical gain-bandwidth product
• 115dB typical PSRR and CMRR
• Single supply operation down to 2.4V
• Input is capable of swinging above V+ and to V- (ground
• Rail-to-rail input and output (RRIO)
• Pb-free (RoHS compliant)
• Battery- or solar-powered systems
• 4mA to 25mA current loops
• Handheld consumer products
• Medical devices
• Thermocouple amplifiers
• Photodiode pre-amps
• pH probe amplifiers
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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