EL2227C
Dual Very Low Noise Amplifier
Typical Performance Curves
Non-inverting Frequency Response for Various
Input Signal Levels
Inverting Frequency Response for Various Input
Signal Levels
4
4
3
V =±12V
S
3
2
R =350W
F
A =+2
V
2
V
IN
=20mV
V
V
=1.4V
=2.8V
V =20mV
IN PP
PP
IN
PP
R =500W
L
V
IN
=100mV
PP
1
1
0
0
-1
-2
-3
-4
-5
-6
-1
-2
-3
-4
-5
-6
IN
PP
V
IN
=500mV
PP
V
IN
=280mV
PP
V
IN
=1V
=2V
PP
V =±12V
R =420W
R =500W
S
F
V
IN
PP
L
A =-1
V
100k
1M
10M
100M
1M
10M
Frequency (Hz)
100M 200M
Frequency (Hz)
Non-inverting Frequency Response for Various C
Inverting Frequency Response for Various C
L
L
5
4
4
3
C =30pF
L
C =30pF
L
3
2
C =12pF
L
C =12pF
L
2
1
1
0
0
-1
-2
-3
-4
-5
-6
C =2pF
L
C =2pF
L
-1
-2
-3
-4
-5
V =±12V
S
V =±12V
S
R =620W
R =420W
F
F
R =500W
R =500W
L
L
A =+2
V
A =-1
V
1M
10M
Frequency (Hz)
100M 200M
1M
10M
Frequency (Hz)
100M 200M
Non-inverting Frequency Response for Various R
Frequency Response for Various Output DC
Levels
L
4
3
4
3
V =+10V
O
R =100W
L
R =500W
L
V
O
=-10V
V =+5V
O
2
2
1
1
0
0
R =50W
L
-1
-2
-3
-4
-5
-6
-1
-2
-3
-4
-5
-6
V
=0V
O
V =-5V
O
V =±12V
S
V =±12V
S
R =620W
R =620W
F
F
R =500W
C =15pF
L
L
A =+2
V
A =+2
V
100M
1M
10M
Frequency (Hz)
100M 200M
100k
1M
10M
Frequency (Hz)
5
ELANTEC [ ELANTEC SEMICONDUCTOR ]
