EL2125C - Preliminary
EL2125C - Preliminary
Ultra-low Noise, Low Power, Wideband Amplifier
Typical Performance Curves
Inverting Frequency Response for Various C
L
6
C
L
=29.4pF
C
L
=16.4pF
Normalized Gain (dB)
C
L
=11.4pF
C
L
=5.1pF
C
L
=1.2pF
V
S
=±5V
A
V
=10
R
F
=350Ω
R
L
=500Ω
-14
1M
10M
100M
Frequency (Hz)
1G
Normalized Gain (dB)
0
2
-2
-6
-10
-14
1M
V
S
=±15V
A
V
=10
R
F
=500Ω
R
L
=500Ω
10M
100M
Frequency (Hz)
1G
6
C
L
=29.4pF
C
L
=16.4pF
C
L
=11.4pF
C
L
=5.1pF
C
L
=1.2pF
Inverting Frequency Response for Various C
L
Open Loop Gain and Phase
100
80
Open Loop Gain (dB)
60
40
20
0
10k
250
12
150
50
-50
-150
-250
400M
Supply Current (mA)
9.6
7.2
4.8
2.4
0
Supply Current vs Supply Voltage
Phase (°)
100k
1M
10M
100M
0
3
6
9
12
15
Frequency (Hz)
3dB Bandwidth vs Supply Voltage
250
200
Bandwidth (MHz)
150
100
50
0
A
V
=-20
A
V
=20
A
V
=50
A
V
=-50
A
V
=10
A
V
=-10
3
2.5
2
1.5
1
0.5
2
4
6
8
10
12
14
16
0
Supply Voltage (±V)
Peaking vs Supply Voltage
Peaking (dB)
A
V
=10
A
V
=-10
A
V
=-20
2
4
6
8
A
V
=-50
10
A
V
=20
12
A
V
=50
14
16
V
S
(±V)
V
S
(±V)
6
ELANTEC [ ELANTEC SEMICONDUCTOR ]
