EL2228C - Preliminary
EL2228C - Preliminary
Dual Low Noise Amplifier
Typical Performance Curves
Peaking vs ±Supply Voltage for Non-inverting
Gains
V
S
=±12V
R
F
=420Ω
R
L
=500Ω
A
V
=+1
Peaking (dB)
Peaking vs ±Supply Voltage for Inverting Gains
0.2
0.16
0.12
0.08
0.04
0
2.5
G=-2
G=-10
4.5
6.5
8.5
10.5
12.5
4.5
6.5
8.5
10.5
12.5
G=-1
V
S
=±12V
R
F
=420Ω
R
L
=500Ω
A
V
=+1
1
0.8
G=1
Peaking (dB)
0.6
0.4
0.2
0
2.5
G=10
G=2
Supply Voltage (±V)
Small Signal Step Response
V
S
=±12V
R
F
=420Ω
A
V
=1
R
L
=500Ω
Supply Voltage (±V)
Small Signal Step Response
V
S
=±2.5V
R
F
=420Ω
A
V
=1
R
L
=500Ω
20mV/div
20mV/div
50ns/div
50ns/div
Large Signal Step Response
V
S
=±12V
R
F
=420Ω
A
V
=1
R
L
=500Ω
Large Signal Step Response
V
S
=±2.5V
R
F
=420Ω
A
V
=1
R
L
=500Ω
0.5V/div
0.5V/div
50ns/div
50ns/div
6
ELANTEC [ ELANTEC SEMICONDUCTOR ]
