EL2228C - Preliminary
Dual Low Noise Amplifier
Typical Performance Curves
Group Delay vs Frequency
Differential Gain/Phase vs DC Input Voltage at
3.58MHz
20
16
0.2
V =±12V
S
dP
R =420W
F
0.15
0.1
R =150W
12
8
L
A =2
V
A =2
V
dG
4
0.05
0
A =1
V
0
-4
-8
-0.05
-0.1
-0.15
V =±12V
S
R =420W
-12
-16
-20
F
A =1
V
R =500W
L
1M
10M
100M 200M
-1
-0.5
0
0.5
1
DC Input Voltage (V)
Frequency (Hz)
Supply Current vs Supply Voltage
Closed Loop Output Impedance vs Frequency
13.2
12
100
10
10.8
9.6
8.4
7.2
6
1
4.8
3.6
2.4
1.2
0
0.1
0.01
0
1.4 2.8 4.2 5.6
7
8.4 9.8 11.2 12.6 14
10k
100k
1M
10M
100M
V
S
(±V)
Frequency (Hz)
CMRR
PSRR
100
80
60
40
20
0
10
-10
-30
-50
-70
-90
V -
S
V +
S
V =±12
S
10
100
1k
10k
100k
1M
10M 100M
1k
10k
100k
1M
10M
100M
Frequency (Hz)
Frequency (Hz)
7
ELANTEC [ ELANTEC SEMICONDUCTOR ]
