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FAN4272MX PDF预览

FAN4272MX

更新时间: 2024-11-08 23:51:47
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页数 文件大小 规格书
10页 197K
描述
Voltage-Feedback Operational Amplifier

FAN4272MX 数据手册

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PRELIMINARY  
www.fairchildsemi.com  
FAN4272  
Dual, Low Cost, +2.7V & +5V, Rail-to-Rail I/O Amplifier  
Features at 2.7V  
General Description  
The FAN4272 is an ultra-low cost, low power, voltage  
feedback amplifier. At 5V, the FAN4272 uses only  
160µA of supply current per amplifier and is  
designed to operate from a supply range of 2.5V to  
5.5V ( 1.25V to 2.75Vꢀ. The input voltage range  
exceeds the negative and positive rails.  
136µA supply current per amplifier  
4.9MHz bandwidth  
Output swings to within 20mV of either rail  
Input voltage range exceeds the rail by >250mV  
5.3V/µs slew rate  
16mA output current  
26nV/Hz input voltage noise  
Directly replaces MAX4126, OPA2340, LMV822, and  
TLV2462 in single supply applications  
Available in SOIC-8 and MSOP-8 package options  
The FAN4272 offers high bipolar performance at a low  
CMOS price. The FAN4272 offers superior dynamic  
performance with a 4.9MHz small signal bandwidth  
and 5.3V/µs slew rate. The combination of low  
power, high bandwidth, and rail-to-rail performance  
make the FAN4272 well suited for battery-powered  
communication/computing systems.  
Applications  
Automotive applications  
Portable/battery-powered applications  
Large Signal Frequency Response  
PCMCIA, USB  
Mobile communications, cellular phones, pagers  
Notebooks and PDA’s  
V
= 5V  
s
V
= 1V  
pp  
o
Sensor Interface  
A/D buffer  
Active filters  
Signal conditioning  
V
= 4V  
pp  
o
Portable test instruments  
V
= 2V  
pp  
o
FAN4272 Packages  
0.01  
0.1  
1
10  
SOIC  
Frequency (MHz)  
Out1  
-In1  
+In1  
-Vs  
1
2
3
4
8
7
6
5
+Vs  
Output Swing vs. Load  
1.35  
Out2  
-In2  
+In2  
-
R
= 10k  
L
+
R
= 1kΩ  
L
-
+
R
= 75Ω  
L
0
R
L
= 100Ω  
MSOP  
R
= 200Ω  
L
R
= 75/100Ω  
L
Out1  
-In1  
+In1  
-Vs  
1
2
3
4
8
7
6
5
+Vs  
Out2  
-In2  
+In2  
-
-1.35  
-2.0  
0
2.0  
+
-
Input Voltage (0.4V/div)  
+
Preliminary September 2001  

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