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XR2009 fiches techniques PDF

Exar - Rail-to-Rail Amplifiers

Numéro de référence XR2009
Description Rail-to-Rail Amplifiers
Fabricant Exar 
Logo Exar 





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XR2009 fiche technique
XR1009, XR2009
0.2mA, 35MHz Rail-to-Rail Amplifiers
General Description
The XR1009 (single) and XR2009 (dual) are ultra-low power, low cost,
voltage feedback ampli ers. These ampli ers use only 208μA of supply
current and are designed to operate from a supply range of 2.5V to 5.5V
(±1.25 to ±2.75).The input voltage range extends 300mV below the negative
rail and 1.2V below the positive rail.
The XR1009 and XR2009 offer superior dynamic performance with a
35MHz small signal bandwidth and 27V/μs slew rate. The combination of
low power, high bandwidth, and rail-to-rail performance make the XR1009
and XR2009 well suited for battery-powered communication/ computing
systems.
F E AT U R E S
208μA supply current
35MHz bandwidth
Input voltage range with 5V supply:
-0.3V to 3.8V
Output voltage range with 5V supply:
0.08V to 4.88V
27V/μs slew rate
21nV/√Hz input voltage noise
13mA linear output current
Fully specified at 2.7V and 5V supplies
Replaces MAX4281
A P P L I C AT I O N S
Portable/battery-powered applications
Mobile communications, cell phones,
pagers
ADC buffer
Active lters
Portable test instruments
Signal conditioning
Medical equipment
Portable medical instrumentation
Interactive whiteboards
Frequency Response
+2.7
6.8μF
+
In
RIN
0.1μF
+
XR1009
-
Rf Rg
Out
ROUT
Output Swing vs. RL
4.85
4.80
4.75
4.70
4.65
4.60
4.55
1
10
RL (k1)
100
© 2014 Exar Corporation
1 / 16
exar.com/XR1009
Rev 1B

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