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:
LMH6619Q
www.ti.com
SNOSC78A –JUNE 2012–REVISED NOVEMBER 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.
HD3 HD2 and HD3
vs. vs.
Frequency and Supply Voltage Frequency and Load
HD2 and HD3 HD2 and HD3
vs. vs.
Common Mode Voltage Common Mode Voltage
HD2 HD3
vs. vs.
Frequency and Gain Frequency and Gain
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