Datasheet

LADDER ATTENUATION (dB)
0
4 8 12 16
-2
2
6
10
14
18
42
GAIN (dB)
20
22
26
30
34
38
-40°C to 85°C
HG
LG
-40°C
HG
0 4 8 12 16 20
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
0.25
GAIN ACCURACY (dB)
LADDER ATTENUATION (dB)
Relative to HG/0 dB @ 25°C
LG
-40°C
25°C
85°C
25°C
85°C
-7 -6 -5 -4 -3 -2 -1 0
-65
-67
-69
-71
-73
-75
-77
-79
-81
-83
-85
HARMONIC DISTORTION (dBc)
OUTPUT POWER (dB
FS
)
HG, 10 dB
65 MHz
HD2
HD3
0 4 8 12 16 20
-50
-55
-60
-65
-70
-75
-80
-85
-90
-95
HARMONIC DISTORTION (dBc)
LADDER ATTENUATION (dB)
LG, 65 MHz
Aux
HD3
HD2
Aux
Main
0 4 8 12 16 20
-50
-55
-60
-65
-70
-75
-80
-85
HARMONIC DISTORTION (dBc)
LADDER ATTENUATION (dB)
HG, 65 MHz
HD3
HD2
Main
Aux
Aux
0 4 8 12 16 20
-50
-55
-60
-65
-70
-75
HD (dBc)
LADDER ATTENUATION (dB)
10 MHz
20 MHz
50 MHz
100 MHz
250 MHz
500 MHz
HG
LMH6518
www.ti.com SNOSB21C –MAY 2008–REVISED JULY 2013
Typical Performance Characteristics (continued)
Unless otherwise specified, Input CM = 2.5V, V
CM
= 1.2V, V
CM AUX
= 1.2V, Single-ended input drive, V
CC
= 5V, V
DD
= 3.3V, R
L
= 100Ω differential (both Main & Auxiliary Outputs), V
OUT
= 0.7 V
PP
differential (both Main and Auxiliary Outputs), Main output
specification (Auxiliary is labeled “Auxiliary”), full bandwidth setting, gain = 18.8 dB (Preamp LG, 0 dB ladder attenuation), Full
Power setting
(1)
.
HD3
vs.
Ladder Attenuation Main and Auxiliary Distortion Comparison
Figure 26. Figure 27.
Distortion
vs.
Main and Auxiliary Distortion Comparison Output Power
Figure 28. Figure 29.
Gain Gain Accuracy
vs. vs.
Ladder Attenuation Ladder Attenuation
Figure 30. Figure 31.
Copyright © 2008–2013, Texas Instruments Incorporated Submit Documentation Feedback 13
Product Folder Links: LMH6518