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ISL28158

更新时间： 2024-11-10 04:04:19
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英特矽尔 - INTERSIL 运算放大器
页数 文件大小 规格书
16页 855K
描述
34レA Micro-power Single and Dual Precision Rail-to-Rail Input-Output (RRIO) Low Input Bias Current Op Amps

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ISL28158, ISL28258  
®
Data Sheet  
February 11, 2008  
FN6377.2  
34µA Micro-power Single and Dual  
Precision Rail-to-Rail Input-Output (RRIO)  
Low Input Bias Current Op Amps  
Features  
• 34µA typical supply current  
• 300µV maximum offset voltage (8 Ld SOIC)  
• 1pA typical input bias current  
• 200kHz gain bandwidth product  
• 2.4V to 5.5V single supply voltage range  
• Rail-to-rail input and output  
• Enable pin (ISL28158 only)  
• Pb-free (RoHS compliant)  
The ISL28158 and ISL28258 are micro-power precision  
operational amplifiers optimized for single supply operation  
at 5.5V and can operate down to 2.4V.  
These devices feature an Input Range Enhancement Circuit  
(IREC), which enables them to maintain CMRR performance  
for input voltages greater than the positive supply. The input  
signal is capable of swinging 0.25V above the positive  
supply and to 100mV below the negative supply with only a  
slight degradation of the CMRR performance. The output  
operation is rail-to-rail.  
Applications  
The ISL28158 and ISL28258 draw minimal supply current  
while meeting excellent DC-accuracy noise and output drive  
specifications. Competing devices seriously degrade these  
parameters to achieve micro-power supply current. Offset  
current, voltage and current noise, slew rate, and gain  
bandwidth product are all two to ten times better than on  
previous micro-power op amps.  
• Battery- or solar-powered systems  
• 4mA to 20mA current loops  
• Handheld consumer products  
• Medical devices  
• Sensor amplifiers  
• ADC buffers  
The 1/f corner of the voltage noise spectrum is at 100Hz.  
This results in low frequency noise performance, which can  
only be found on devices with an order of magnitude higher  
supply current.  
• DAC output amplifiers  
Ordering Information  
ISL28158 and ISL28258 can be operated from one lithium  
cell or two Ni-Cd batteries. The input range includes both  
positive and negative rail. The output swings to both rails.  
PART NUMBER  
(Note)  
PART  
MARKING  
PACKAGE  
(Pb-free)  
PKG.  
DWG. #  
ISL28158FHZ-T7*  
ISL28158FHZ-T7A*  
ISL28158FBZ  
GABW  
GABW  
6 Ld SOT-23  
6 Ld SOT-23  
MDP0038  
MDP0038  
MDP0027  
MDP0027  
MDP0027  
Pinouts  
28158 FBZ 8 Ld SOIC  
28158 FBZ 8 Ld SOIC  
28258 FBZ 8 Ld SOIC  
ISL28158  
(6 LD SOT-23)  
TOP VIEW  
ISL28158  
(8 LD SOIC)  
TOP VIEW  
ISL28158FBZ-T7*  
Coming Soon  
ISL28258FBZ  
OUT  
V-  
1
2
3
6
5
4
V+  
EN  
IN-  
NC  
IN-  
IN+  
V-  
1
2
3
4
8
7
6
5
EN  
V+  
Coming Soon  
ISL28258FBZ-T7*  
28258 FBZ 8 Ld SOIC  
MDP0027  
MDP0043  
MDP0043  
-
+
+
-
IN+  
OUT  
NC  
Coming Soon  
ISL28258FUZ  
8258Z  
8258Z  
8 Ld MSOP  
8 Ld MSOP  
Coming Soon  
ISL28258FUZ-T7*  
ISL28258  
(8 LD SOIC)  
TOP VIEW  
ISL28258  
(8 LD MSOP)  
TOP VIEW  
*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.  
OUT_A  
IN-_A  
IN+_A  
V-  
1
2
3
4
8
7
6
5
V+  
OUT_A  
IN-_A  
IN+_A  
V-  
1
2
3
4
8
7
6
5
V+  
OUT_B  
IN-_B  
IN+_B  
OUT_B  
IN-_B  
IN+_B  
-
+
- +  
+
-
+ -  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2007, 2008. All Rights Reserved.  
All other trademarks mentioned are the property of their respective owners.  
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