EL2126C
Ultra-Low Noise, Low Power, Wideband Amplifier
Typical Performance Curves
Bandwidth vs V
Peaking vs V
s
s
160
140
120
100
80
3.0
2.5
2.0
1.5
1.0
0.5
0
V = 5V
S
G
V = 5V
S
G
A =-10
R =20Ω
R =20Ω
V
R =500Ω
R =500Ω
L
L
C =5pF
C =5pF
L
L
A =10
V
A =10
V
A =-20
V
60
40
A =-20
V
A =-10
V
A =-50
V
20
A =50
V
0
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
V
S
(V)
Supply Voltage (V)
Small Signal Step Response
Large Signal Step Response
R =180Ω V = 5V
F
S
R =20Ω
G
V =2V
O PP
20mV/div
0.5V/div
R =180Ω
F
R =20Ω
G
V = 5V
S
V =100mV
O
PP
10ns/div
10ns/div
1MHz Harmonic Distortion vs Output Swing
1MHz Harmonic Distortion vs Output Swing
-40
-50
-30
V = 5V
V = 5V
S
O P-P
S
V =2V
V =2V
O
P-P
-40
-50
R =180Ω
R =180Ω
F
F
2nd HD
A =10
A =10
V
V
2nd HD
3rd HD
R =500Ω
R =500Ω
L
L
-60
-60
-70
-70
-80
-80
3rd HD
-90
-90
-100
-100
0
1
2
3
4
5
6
7
8
0
5
10
15
)
20
25
V
(V
OUT P-P
)
V
(V
OUT P-P
7
ELANTEC [ ELANTEC SEMICONDUCTOR ]
