EL2228 Datasheet

  • EL2228

  • Dual Low Noise Amplifier

  • 134.61KB

  • INTERSIL

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EL2228
Typical Performance Curves
Large Signal Step Response
V
S
= 卤12V
R
F
= 420鈩?/div>
A
V
= 1
R
L
= 500鈩?/div>
(Continued)
Large Signal Step Response
V
S
= 卤2.5V
R
F
= 420鈩?/div>
A
V
= 1
R
L
= 500鈩?/div>
0.5V/div
0.5V/div
50ns/div
50ns/div
Group Delay vs Frequency
20
16
12
Group Delay (ns)
8
4
0
-4
-8
-12
-16
-20
1M
V
S
= 卤12V
R
F
= 420鈩?/div>
A
V
= 1
R
L
= 500鈩?/div>
10M
Frequency (Hz)
100M 200M
A
V
= 1
A
V
= 2
dG (%) or dP (掳)
0.1
0.05
0
-0.05
-0.1
0.2
0.15
Differential Gain/Phase vs DC Input Voltage at
3.58MHz
V
S
= 卤12V
R
F
= 420鈩?/div>
R
L
= 150鈩?/div>
A
V
= 2
dP
dG
-0.15
-1
-0.5
0
DC Input Voltage (V)
0.5
1
Supply Current vs Supply Voltage
13.2
12
10.8
Output Impedance (鈩?
Supply Current (mA)
9.6
8.4
7.2
6
4.8
3.6
2.4
1.2
0
0
1.4
2.8
4.2
5.6
7
8.4
9.8 11.2 12.6 14
V
S
(卤V)
CMRR vs Frequency
100
10
10
100
Closed Loop Output Impedance vs Frequency
1
0.1
0.01
10k
100k
1M
Frequency (Hz)
10M
100M
PSRR vs Frequency
80
CMRR (dB)
PSRR (dB)
-10
60
-30
V
S
-
-50
V
S
+
40
20
V
S
= 卤12
100
1k
10k
100k
1M
10M
100M
-70
0
10
-90
1k
10k
100k
1M
10M
100M
Frequency (Hz)
Frequency (Hz)
6

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