km4212 Fairchild Semiconductor, km4212 Datasheet
km4212
Manufacturer Part Number
km4212
Description
Dual, 70a, Low Cost, 2.7v & 5v, 7.3mhz Rail-to-rail Amp
Manufacturer
Fairchild Semiconductor
Datasheet
1.KM4212.pdf
(10 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
km4212IM8-TR
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
Out1
Out1
KM4212
Dual, 70µA, Low Cost, +2.7V & +5V, 7.3MHz Rail-to-Rail Amp
Features
I
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I
I
I
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Applications
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KM4212 Packages
+In1
+In1
-In1
-In1
-V
-V
70µA supply current
7.3MHz bandwidth
Fully specified at +2.7V and +5V supplies
Output voltage range: 0.04V to 4.96V; V s = +5
Input voltage range: -0.3V to +3.8V; V s = +5
9V/µs slew rate
±4mA linear output current
±9mA short circuit output current
29nV/√Hz input voltage noise
Competes with low power CMOS amps
Small package options (SOIC-8 and MSOP-8)
Portable/battery-powered applications
A/D buffer
Active filters
Signal conditioning
Portable test instruments
s
s
1
2
3
4
1
2
3
4
+
-
+
MSOP-8
-
SOIC-8
+
-
+
-
8
7
6
5
8
7
6
5
+V
Out2
-In2
+In2
+V
Out2
-In2
+In2
s
s
General Description
The KM4212 is an ultra-low power, low cost, voltage
feedback amplifier. The KM4212 uses only 70µA 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.
0.01
Non-Inverting Freq. Response V
R
f
G = 2
= 10kΩ
Frequency (MHz)
0.1
1
www.fairchildsemi.com
s
= +5V
REV. 1 August 2001
10
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