EL2227C
Dual Very Low Noise Amplifier
Typical Performance Curves
3dB Bandwidth vs Supply Voltage
Peaking vs Supply Voltage
140
4
3.5
3
A =+2
A =+2
V
R =620W
F
V
A =+2
V
R =620W
F
120
100
80
60
40
20
0
A =-1
R =500W
L
R =500W
L
V
2.5
2
A =+2
A =-1
V
V
A =-2
V
A =+10
V
1.5
1
A =-10
V
A =+5
V
A =-5
V
A =+10
A =-2
V
V
A =+5
V
A =-5
V
0.5
0
A =-10
V
2
4
6
8
10
12
2
4
6
8
10
12
Supply Voltage (±V)
Supply Voltage (±V)
Large Signal Step Response
V =±12V
Large Signal Step Response
V =±2.5V
S
S
R =620W
F
R =620W
F
A =2
V
A =2
V
R =500W
L
R =500W
L
0.5V/div
0.5V/div
100ns/div
100ns/div
Small Signal Step Response
V =±12V
Small Signal Step Response
V =±2.5V
S
S
R =620W
F
R =620W
F
A =2
V
A =2
V
R =500W
L
R =500W
L
20mV/div
20mV/div
100ns/div
100ns/div
6
ELANTEC [ ELANTEC SEMICONDUCTOR ]
