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PDF KM4112 Data sheet ( Hoja de datos )
| Número de pieza | KM4112 | |
| Descripción | 70A/ Low Cost/ +2.7V & +5V/ 7.3MHz Rail-to-Rail Amplifier | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de KM4112 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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www.fairchildsemi.com
KM4112
70µA, Low Cost, +2.7V & +5V, 7.3MHz Rail-to-Rail Amplifier
Features
I 70µA 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
KM4112 Package
SOT23-5
Out 1
5 +Vs
General Description
The KM4112 is an ultra-low power, low cost, voltage
feedback amplifier. The KM4112 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 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.
Non-Inverting Freq. Response Vs = +5V
G=2
Rf = 10kΩ
-Vs 2
+In 3
-
4 -In
0.01 0.1
1
Frequency (MHz)
10
REV. 2 July 2001
1 page  
KM4112
DATA SHEET
KM4112 Performance Characteristics (Vs = +5V, G = 2, RL = 10kΩ to Vs/2, Rf = 10kΩ; unless noted)
2nd & 3rd Harmonic Distortion; Vs = +2.7V
-20
Vo = 1Vpp
-30
-40
3rd
-50
-60
2nd
-70
-80
-90
10
100
Frequency (kHz)
1000
CMRR
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
1
10
100 1k 10k 100k 1M
Frequency (Hz)
Large Signal Pulse Response Vs = +5V
PSRR
0
-10
-20
-30
-40
-50
-60
-70
-80
1
10
100 1k 10k 100k 1M
Frequency (Hz)
Output Swing vs. RL
4.95
4.90
4.85
4.80
4.75
4.70
1
10
RL (kΩ)
100
Time (1µs/div)
REV. 2 July 2001
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet KM4112.PDF ] | |
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| KM4112 | 70A/ Low Cost/ +2.7V & +5V/ 7.3MHz Rail-to-Rail Amplifier | Fairchild Semiconductor |
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