EL5191C
EL5191C
1GHz Current Feedback Amplifier
Typical Performance Curves
Frequency Response for Various C
L
14
6
Frequency Response for Various R
F
150Ω
Normalized Magnitude (dB)
Normalized Magnitude (dB)
10
6pF added
6
4pF added
2
A
V
=2
R
F
=250Ω
R
L
=150Ω
10M
2
250Ω
-2
375Ω
500Ω
A
V
=2
R
G
=R
F
R
L
=150Ω
10M
100M
Frequency (Hz)
Frequency Response for Various Common-mode
Input Voltages
1G
-6
-2
0pF added
-10
-6
1M
100M
Frequency (Hz)
1G
-14
1M
Group Delay vs Frequency
3.5
3
2.5
Group Delay (ns)
2
1.5
1
0.5
0
1M
A
V
=2
R
F
=250Ω
A
V
=1
R
F
=390Ω
Normalized Magnitude (dB)
2
6
V
CM
=3V
V
CM
=0V
-2
V
CM
=-3V
-6
-10
A
V
=2
R
F
=250Ω
R
L
=150Ω
10M
100M
Frequency (Hz)
PSRR and CMRR vs Frequency
1G
10M
100M
Frequency (Hz)
1G
-14
1M
Transimpedance (ROL) vs Frequency
10M
0
1M
Magnitude (Ω)
Phase
PSRR/CMRR (dB)
-90
Phase (°)
100k
-180
10k
Gain
1k
-360
100
1k
10k
100k
1M
10M
Frequency (Hz)
100M
1G
-270
0
20
PSRR+
-20
PSRR-
-40
-60
CMRR
-80
10k
100k
1M
10M
Frequency (Hz)
100M
1G
4
ELANTEC [ ELANTEC SEMICONDUCTOR ]
