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ISL28272 Folha de dados(PDF) 1 Page - Intersil Corporation

Nome de Peças ISL28272
Descrição Electrónicos  Dual Micropower, Single Supply, Rail-to- Rail Input and Output (RRIO) Instrumentation Amplifier
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Fabricante Electrônico  INTERSIL [Intersil Corporation]
Página de início  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL28272 Folha de dados(HTML) 1 Page - Intersil Corporation

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1
®
FN6390.0
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.
ISL28271, ISL28272
Dual Micropower, Single Supply, Rail-to-
Rail Input and Output (RRIO)
Instrumentation Amplifier
The ISL28271 and ISL28272 are dual micropower
instrumentation amplifiers (in-amps) optimized for low 2.4V
to 5V single supplies.
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 plus anneal available (RoHS compliant)
Applications
• Battery- or solar-powered systems
• Strain gauge
• Sensor signal conditioning
• Medical devices
• Industrial instrumentations
Ordering Information
PART NUMBER
(Note)
PART
MARKING
TAPE &
REEL
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL28271FAZ
(Note)
28271 FAZ
97/Tube
16 Ld QSOP
(Pb-free)
MDP0040
ISL28271FAZ-T7
(Note)
28271 FAZ
7”
(1000 pcs)
16 Ld QSOP
(Pb-free)
MDP0040
ISL28272FAZ
(Note)
28272 FAZ
97/Tube
16 Ld QSOP
(Pb-free)
MDP0040
ISL28272FAZ-T7
(Note)
28272 FAZ
7”
(1000 pcs)
16 Ld QSOP
(Pb-free)
MDP0040
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.
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
-+
-
+
Data Sheet
December 8, 2006


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