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PDF KM4111 Data sheet ( Hoja de datos )
| Número de pieza | KM4111 | |
| Descripción | 0.2mA/ Low Cost/ +2.7V & +5V/ 35MHz Rail-to-Rail Amplifiers | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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www.fairchildsemi.com
KM4111/KM4121
0.2mA, Low Cost, +2.7V & +5V, 35MHz Rail-to-Rail Amplifiers
Features
I 208µA supply current
I 35MHz bandwidth
I Power down to Is = 35µA (KM4121)
I Fully specified at +2.7V and +5V supplies
I Output voltage range: 0.08V to 4.88V; Vs = +5
I Input voltage range: -0.3V to +3.8V; Vs = +5
I 27V/µs slew rate
I ±8.5mA linear output current
I ±13mA short circuit output current
I 21nV/√Hz input voltage noise
I Directly replaces MAX4281
I Small package options (SOT23-5 and SOT23-6)
Applications
I Portable/battery-powered applications
I A/D buffer
I Active filters
I Signal conditioning
I Portable test instruments
KM4111/KM4121 Packages
SOT23-5 (KM4111)
Out 1
5 +Vs
-Vs 2
+In 3
-
4 -In
General Description
The KM4111 (single) and KM4121 (single with disable)
are ultra-low power, low cost, voltage feedback
amplifiers. These amplifiers use only 208µA of supply
current and are 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 KM4111 offers high bipolar performance at a
low CMOS price. The KM4111 offers superior dynamic
performance with a 35MHz small signal bandwidth
and 27V/µs slew rate. The combination of lowpower,
high bandwidth, and rail-to-rail performance make
the KM4111 well suited for battery-powered commu-
nication/computing systems.
Non-Inverting Freq. Response Vs = +5V
G=2
0.1 1 10 100
Frequency (MHz)
SOT23-6 (KM4121)
Out 1
6 +Vs
-Vs 2
+In 3
5 DIS
-
4 -In
REV. 1B June 2001
1 page  
KM4111/KM4121
DATA SHEET
KM4111/KM4121 Performance Characteristics (Vs = +5V, G = 2, RL = 2kΩ to Vs/2, Rf = 2.5kΩ; unless noted)
2nd & 3rd Harmonic Distortion; Vs = +2.7V
-40
Vo = 1Vpp
-50
3rd
-60
-70
-80
2nd
-90
-100
10
100
Frequency (kHz)
1000
CMRR
-20
-30
-40
-50
-60
-70
-80
-90
-100
10
100
1k 10k 100k 1M
Frequency (Hz)
10M
Small Signal Pulse Response Vs = +5V
PSRR
10
0
-10
-20
-30
-40
-50
-60
-70
100
1k
10k 100k
Frequency (Hz)
1M
10M
Output Swing vs. RL
4.85
4.80
4.75
4.70
4.65
4.60
4.55
1
10
RL (kΩ)
100
Large Signal Pulse Response Vs = +5V
Time (1µs/div)
Enable Disable Response Vs = +5V
5V Disable Pulse
0V
REV. 1B June 2001
Time (1µs/div)
Time (1µs/div)
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet KM4111.PDF ] | |
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