EL2228C - Preliminary
EL2228C - Preliminary
Dual Low Noise Amplifier
Typical Performance Curves
Non-inverting Frequency Response for Various
Input Signal Levels
V
S
=±12V
R
F
=420Ω
R
L
=500Ω
A
V
=+1
V
IN
=100mV
PP
V
IN
=1V
PP
V
IN
=2V
PP
V
IN
=500mV
PP
1M
10M
Frequency (Hz)
Non-inverting Frequency Response for Various C
L
4
3
2
Normalized Gain (dB)
1
0
-1
-2
-3
-4
-5
V
S
=±12V
R
F
=420Ω
R
L
=500Ω
A
V
=+1
1M
C
L
=10pF
C
L
=3pF
C
L
=30pF
Normalized Gain (dB)
4
3
2
1
0
-1
-2
-3
-4
-5
10M
Frequency (Hz)
-3dB Bandwidth vs ±Supply Voltage for Non-
inverting Gains
G=1
-3dB Bandwidth (MHz)
60
V
S
=±12V
R
F
=420Ω
R
L
=500Ω
A
V
=+1
100M
V
S
=±12V
R
F
=420Ω
R
L
=500Ω
A
V
=+1
1M
V
O
=+5
V
O
=-5
10M
Frequency (Hz)
-3dB Bandwidth vs ±Supply Voltage for Inverting
Gains
G=-1
20
-3dB Bandwidth (MHz)
15
10
5
0
2.5
V
S
=±12V
R
F
=420Ω
R
L
=500Ω
A
V
=+1
100M
V
O
=-10
V
O
=+10
V
O
=0
100M
Non-inverting Frequency Response for Various R
L
4
3
2
Normalized Gain (dB)
1
0
-1
-2
-3
-4
-5
V
S
=±12V
A
V
=+1
R
F
=420Ω
1M
R
L
=50Ω
R
L
=150Ω
R
L
=500Ω
R
L
=1kΩ
4
3
2
Normalized Gain (dB)
1
0
-1
-2
-3
-4
-5
-6
100k
-6
100k
10M
Frequency (Hz)
100M
Non-inverting Frequency Response for Various
Output DC Levels
-6
100k
-6
100k
80
25
G=-2
40
G=2
20
G=5
G=10
G=-5
G=-10
0
2.5
4.5
6.5
8.5
10.5
12.5
4.5
6.5
8.5
10.5
12.5
Supply Voltage (±V)
Supply Voltage (±V)
5
ELANTEC [ ELANTEC SEMICONDUCTOR ]
