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KM4212 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. KM4212
Description  Dual, 70A, Low Cost, 2.7V & 5V, 7.3MHz Rail-to-Rail Amp
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KM4212 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 options (SOIC-8 and MSOP-8)
Applications
I
Portable/battery-powered applications
I
A/D buffer
I
Active filters
I
Signal conditioning
I
Portable test instruments
General Description
The KM4212 is an ultra-low power, low cost, voltage
feedback amplifier. The KM4212 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 KM4212 offers high bipolar performance at a low
CMOS price. The KM4212 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 KM4212 well suited for battery-powered commu-
nication/computing systems.
The KM4112 single amplifier is also available.
KM4212
Dual, 70
µA, Low Cost, +2.7V & +5V, 7.3MHz Rail-to-Rail Amp
www.fairchildsemi.com
REV. 1 August 2001
Non-Inverting Freq. Response Vs = +5V
Frequency (MHz)
0.01
0.1
1
10
G = 2
Rf = 10kΩ
KM4212 Packages
-
+
-
+
1
2
3
4
Out1
-In1
+In1
-Vs
+Vs
Out2
-In2
+In2
8
7
6
5
SOIC-8
-
+
-
+
1
2
3
4
Out1
-In1
+In1
-Vs
+Vs
Out2
-In2
+In2
8
7
6
5
MSOP-8


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