Datasheet

1 10 100 1000
-9
-7
-5
-3
-1
1
3
5
7
9
11
GAIN (dB)
FREQUENCY (MHz)
R
ISO
= 0
R
ISO
= 25
R
ISO
= 50
R
ISO
= 100
R
ISO
= 75
V
+
= +5V
V
-
= -5V
V
OUT
= 0.2 V
PP
C
L
= 100 pF
0.1
1
10
FREQUENCY (MHz)
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
DISTORTION (dBc)
V
OUT
= 2 V
PP
R
L
= 1 k:
R
F
= 0:
A = +1
V
+
= +1.5V
V
-
= -1.5V
V
+
= +2.5V
V
-
= -2.5V
V
+
= +5V
V
-
= -5V
0.01
0.10 1 10 100
FREQUENCY (MHz)
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
NORMALIZED GAIN (dB)
±1.5V
±2.5V
±5V
1 10 100 1000
-9
-7
-5
-3
-1
1
3
5
GAIN (dB)
FREQUENCY (MHz)
4
2
0
-2
-4
-6
-8
C
L
= 5 pF
C
L
= 10 pF
C
L
= 20 pF
C
L
= 30 pF
V
+
= +5V
V
-
= -5V
R
L
= 1 k:
V
OUT
= 0.2V
C
L
= 0 pF
1
10 100 1000
FREQUENCY (MHz)
-18
-15
-12
-9
-6
-3
0
3
NORMALIZED GAIN (dB)
V
+
= +5V
V
-
= -5V
V
+
= +2.5V
V
-
= -2.5V
V
+
= +1.5V
V
-
= -1.5V
A
V
= +2
R
F
= R
G
= 2 k:
R
L
= 1 k:
V
OUT
= 2V
1
10 100 1000
FREQUENCY (MHz)
-21
-18
-15
-12
-9
-6
-3
0
3
NORMALIZED GAIN (dB)
A = 10
A = 5
A = 2
A = 1
V
+
= +2.5V
V
-
= -2.5V
R
L
= 1 k:
C
L
= 5 pF
V
OUT
= 0.2V
LMH6618, LMH6619
www.ti.com SNOSAV7E –AUGUST 2007–REVISED OCTOBER 2012
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
At T
J
= 25°C, A
V
= +1 (R
F
= 0Ω), otherwise R
F
= 2 kΩ for A
V
≠ +1, unless otherwise specified.
Closed Loop Gain vs. Frequency for Various Gains Large Signal Frequency Response
Figure 9. Figure 10.
Small Signal Frequency Response with
±0.1 dB Gain Flatness for Various Supplies Various Capacitive Load
Figure 11. Figure 12.
HD2
Small Signal Frequency Response with vs.
Capacitive Load and Various R
ISO
Frequency and Supply Voltage
Figure 13. Figure 14.
Copyright © 2007–2012, Texas Instruments Incorporated Submit Documentation Feedback 11
Product Folder Links: LMH6618 LMH6619