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KM4112 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. KM4112
Description  70A, Low Cost, 2.7V & 5V, 7.3MHz Rail-to-Rail Amplifier
Download  9 Pages
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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KM4112 Datasheet(HTML) 1 Page - Fairchild Semiconductor

   
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Features
I
70
µA supply current
I
7.3MHz bandwidth
I
Fully specified at +2.7V and +5V supplies
I
Output voltage range: 0.04V to 4.96V; Vs = +5
I
Input voltage range: -0.3V to +3.8V; Vs = +5
I
9V/
µs slew rate
I
±4mA linear output current
I
±9mA short circuit output current
I
29nV/
√Hz input voltage noise
I
Competes with low power CMOS amps
I
Small package option (SOT23-5)
Applications
I
Portable/battery-powered applications
I
A/D buffer
I
Active filters
I
Signal conditioning
I
Portable test instruments
General Description
The KM4112 is an ultra-low power, low cost, voltage
feedback amplifier. The KM4112 uses only 70
µA of
supply current and is designed to operate on +2.7V,
+5V, or ±2.5V supplies. The input voltage range
extends 300mV below the negative rail and 1.2V
below the positive rail.
The KM4112 offers high bipolar performance at a low
CMOS price. The KM4112 offers superior dynamic
performance with a 7.3MHz small signal bandwidth
and 9V/
µs slew rate. The combination of low power,
high bandwidth, and rail-to-rail performance make
the KM4112 well suited for battery-powered commu-
nication/computing systems.
KM4112
70
µA, Low Cost, +2.7V & +5V, 7.3MHz Rail-to-Rail Amplifier
www.fairchildsemi.com
REV. 2 July 2001
KM4112 Package
-
1
2
3
Out
-Vs
+In
+Vs
-In
5
4
SOT23-5
Non-Inverting Freq. Response Vs = +5V
Frequency (MHz)
0.01
0.1
1
10
G = 2
Rf = 10kΩ


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