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28478FAZ

更新时间: 2022-04-23 23:00:11
品牌 Logo 应用领域
英特矽尔 - INTERSIL 运算放大器
页数 文件大小 规格书
13页 496K
描述
Dual and Quad Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Op-Amp

28478FAZ 数据手册

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ISL28278, ISL28478  
®
Data Sheet  
July 11, 2007  
FN6145.2  
Dual and Quad Micropower Single Supply  
Rail-to-Rail Input and Output (RRIO)  
Op-Amp  
Features  
• Low power 120µA typical supply current (ISL28278)  
• 225μV max offset voltage  
The ISL28278 and ISL28478 are 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. For  
equivalent performance in a single channel op-amp  
reference EL8178.  
• 30pA max input bias current  
• 300kHz typical gain-bandwidth product  
• 105dB typical PSRR  
• 100dB typical CMRR  
• Single supply operation down to 2.4V  
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 to  
100mV below the negative supply. The output operation is  
rail to rail.  
• Input is capable of swinging above V+ and below V-  
(ground sensing)  
• Rail-to-rail input and output (RRIO)  
• Enable Pin (ISL28278 only)  
The ISL28278 and ISL28478 draw minimal supply current  
while meeting excellent DC-accuracy, AC-performance,  
noise and output drive specifications. The ISL28278  
contains a power down enable pin that reduces the power  
supply current to typically 4µA in the disabled state.  
• Pb-free plus anneal available (RoHS compliant)  
Applications  
• Battery- or solar-powered systems  
• 4mA to 25mA current loops  
• Handheld consumer products  
• Medical devices  
Pinouts  
ISL28278 (16 LD QSOP)  
TOP VIEW  
NC  
NC  
1
2
3
4
5
6
7
8
16 NC  
• Thermocouple amplifiers  
• Photodiode pre-amps  
• pH probe amplifiers  
15 V+  
OUT_A  
IN-_A  
IN+_A  
EN_A  
V-  
14 OUT_B  
13 IN-_B  
12 IN+_B  
11 EN_B  
10 NC  
Ordering Information  
PART NUMBER  
(Note)  
PART  
MARKING  
PACKAGE  
(Pb-Free)  
PKG.  
DWG. #  
ISL28278FAZ*  
ISL28478FAZ*  
28278FAZ  
28478FAZ  
16 Ld QSOP  
16 Ld QSOP  
MDP0040  
MDP0040  
NC  
9 NC  
*“-T7” suffix is for tape and reel. Please refer to TB347 for details on  
reel specifications.  
ISL28478 (16 LD QSOP)  
TOP VIEW  
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.  
OUT_A  
IN-_A  
IN+_A  
V+  
1
2
3
4
5
6
7
8
16 OUT_D  
15 IN-_D  
14 IN+_D  
13 V-  
IN+_B  
IN-_B  
OUT_B  
NC  
12 IN+_C  
11 IN-_C  
10 OUT_C  
9
NC  
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, 2007. All Rights Reserved  
1
All other trademarks mentioned are the property of their respective owners.  

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