Datasheet

0.1
1 10
-110
-100
-90
-80
-70
-60
-50
-40
-30
DISTORTION
(
dBc)
FREQUENCY (MHz)
V
OUT
= 2 V
PP
V
+
= +2.5V
V
-
= -2.5V
R
L
= 1 k:
R
F
= 2 k:
G = +1, HD2
G = +2, HD2
G = +10, HD2
0.1
1 10
-110
-100
-90
-80
-70
-60
-50
-40
-30
DISTORTION (
dBc)
FREQUENCY (MHz)
V
OUT
= 2 V
PP
V
+
= +2.5V
V
-
= -2.5V
R
L
= 1 k:
R
F
= 2 k:
G = +1, HD3
G = +2, HD3
G = +10, HD3
0 1 2 3 4 5 6 7 8 9 10
-120
-110
-100
-90
-80
-70
-60
-50
DISTORTION (dBc)
INPUT COMMON MODE VOLTAGE (V)
f
IN
= 1 MHz
V
OUT
= 1 V
PP
R
L
= 1 k:
R
F
= 0
A = +1
HD2
V
+
= +5V
V
-
= -5V
HD3
V
+
= +5V
V
-
= -5V
HD3
V
+
= +2.5V
V
-
= -2.5V
V
-
= -2.5V
HD2
V
+
= +2.5V
0 1 2 3 4 5 6 7 8 9 10
-120
-110
-100
-90
-80
-70
-60
-50
DISTORTION (dBc)
INPUT COMMON MODE VOLTAGE (V)
f
IN
= 100 kHz
V
OUT
= 1 V
PP
R
L
= 1 k:
R
F
= 0
A = +1
HD3
V
+
= +5V
V
-
= -5V
HD2
V
+
= +5V
V
-
= -5V
HD2
V
+
= +2.5V
V
-
= -2.5V
HD3
V
+
= +2.5V
V
-
= -2.5V
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
0.1
1
10
FREQUENCY (MHz)
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
DISTORTION (dBc)
V
OUT
= 2 V
PP
V
+
= +2.5V
V
-
= -2.5V
R
F
= 0:
A = +1
HD2, R
L
= 1 k:
HD3, R
L
= 1 k:
HD3, R
L
= 150:
HD2, R
L
= 150:
LMH6618, LMH6619
SNOSAV7E –AUGUST 2007–REVISED OCTOBER 2012 www.ti.com
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.
HD3 HD2 and HD3
vs. vs.
Frequency and Supply Voltage Frequency and Load
Figure 15. Figure 16.
HD2 and HD3 HD2 and HD3
vs. vs.
Common Mode Voltage Common Mode Voltage
Figure 17. Figure 18.
HD2 HD3
vs. vs.
Frequency and Gain Frequency and Gain
Figure 19. Figure 20.
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