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PDF EL2228CY-T13 Data sheet ( Hoja de datos )
| Número de pieza | EL2228CY-T13 | |
| Descripción | Dual Low Noise Amplifier | |
| Fabricantes | Elantec Semiconductor | |
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EL2228C - Preliminary
Dual Low Noise Amplifier
Features
• Voltage noise of only 4.9nV/√Hz
• Current noise of only 1.2pA/√Hz
• Bandwidth (-3dB) of 80MHz -
@AV = +1
• Gain-of-1 stable
• Just 4.5mA per amplifier
• 8-pin MSOP package
• ±2.5V to ±12V operation
Applications
• ADSL Filters
• HDSLII Filters
• Ultrasound input amplifiers
• Wideband Instrumentation
• Communications equipment
• Wideband sensors
General Description
The EL2228C is a dual, low-noise amplifier, ideally suited to filtering
applications in ADSL and HDSLII designs. It feature low noise speci-
fication of just 4.9nV/√Hz and 1.2pA/√Hz, making it ideal for
processing low voltage waveforms.
The EL2228C has a -3dB bandwidth of 80MHz and is gain-of-1 sta-
ble. It also affords minimal power dissipation with a supply current of
just 4.5mA per amplifier. The amplifier can be powered from supplies
ranging from ±2.5V to ±12V.
The EL2228C is available in a space saving 8-Pin MSOP package as
well as the industry standard 8-Pin SO. It can operate over the -40°C to
+85°C temperature range.
Ordering Information
Part No.
EL2228CY
EL2228CY-T13
EL2228CY-T7
EL2228CS
EL2228CS-T13
EL2228CS-T7
Temp. Range
8-Pin MSOP
8-Pin MSOP
8-Pin MSOP
8-Pin SO
8-Pin SO
8-Pin SO
Package
-
13”
7”
-
13”
7”
Outline #
MDP0043
MDP0043
MDP0043
MDP0027
MDP0027
MDP0027
Connection Diagram
VOUTA 1
8 VS+
VINA- 2
VINA+ 3
-
+
VS- 4
7 VOUTB
- 6 VINB-
+
5 VINB+
EL2228C
8-Pin SO and 8-Pin MSOP
Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a “controlled document”. Current revisions, if any, to these
specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation.
© 2001 Elantec Semiconductor, Inc.
1 page  
EL2228C - Preliminary
Dual Low Noise Amplifier
Typical Performance Curves
Non-inverting Frequency Response for Various
Input Signal Levels
4
3
VS=±12V
RF=420Ω
2 RL=500Ω
1 AV=+1
0 VIN=100mVPP
-1 VIN=1VPP
-2
-3 VIN=2VPP
-4
-5 VIN=500mVPP
-6
100k 1M 10M 100M
Frequency (Hz)
Non-inverting Frequency Response for Various CL
4
3
2
1
0
-1
-2
-3 VS=±12V
-4 RF=420Ω
-5
RL=500Ω
AV=+1
-6
100k
CL=30pF
CL=3pF
CL=10pF
1M 10M
Frequency (Hz)
100M
-3dB Bandwidth vs ±Supply Voltage for Non-
inverting Gains
80
G=1
60
VS=±12V
RF=420Ω
RL=500Ω
AV=+1
40
G=2
20
G=5
G=10
0
2.5 4.5 6.5 8.5 10.5 12.5
Supply Voltage (±V)
Non-inverting Frequency Response for Various RL
4
3
2
1
0
-1
-2
-3
-4 VS=±12V
-5
AV=+1
RF=420Ω
-6
100k
RL=50Ω
RL=150Ω
RL=1kΩ
RL=500Ω
1M 10M
Frequency (Hz)
100M
Non-inverting Frequency Response for Various
Output DC Levels
4
3
2
VO=-10
VO=+10
1
0 VO=0
-1
-2
-3 VS=±12V
-4 RF=420Ω
-5
RL=500Ω
AV=+1
-6
100k
1M
VO=+5
VO=-5
10M
100M
Frequency (Hz)
-3dB Bandwidth vs ±Supply Voltage for Inverting
Gains
25
G=-1
20
VS=±12V
RF=420Ω
RL=500Ω
15 AV=+1
G=-2
10 G=-5
5 G=-10
0
2.5 4.5 6.5 8.5 10.5 12.5
Supply Voltage (±V)
5
5 Page 
Applications Information
Product Description
EL2228C - Preliminary
Dual Low Noise Amplifier
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet EL2228CY-T13.PDF ] | |
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